CN109704586A - A kind of devitrified glass and application - Google Patents
A kind of devitrified glass and application Download PDFInfo
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- CN109704586A CN109704586A CN201910156545.4A CN201910156545A CN109704586A CN 109704586 A CN109704586 A CN 109704586A CN 201910156545 A CN201910156545 A CN 201910156545A CN 109704586 A CN109704586 A CN 109704586A
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Abstract
The present invention relates to a kind of devitrified glass and its applications.Devitrified glass component is simple, and raw material is easy to get, through the invention the mutual effect of ratio raw material, regulates and controls the performance of devitrified glass, and gained comprehensive performance is excellent, and devitrified glass thermal expansion coefficient is (- 6~0.3) × 10‑7/℃.Devitrified glass of the present invention can be applied to stabilized platform, optical mirror, electric light source glass, cooker, any one in mobile phone backboard, meet the use environment requirement of resistance to rapid heat cycle.
Description
Technical field
The present invention relates to devitrified glasses, are specifically related to a kind of devitrified glass and application.
Background technique
The devitrified glass coefficient of expansion is low, and heat impact strength is good, and beautiful, health, market prospects are good, is before having development
The new material of the 21 century on way, but since technology of preparing threshold is higher, properties of product require height, devitrified glass applies city
Field is promoted not open always, which is badly in need of solving.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of straight enamelware pot of devitrified glass and its preparation sides
Method.
According to an aspect of the invention, there is provided a kind of devitrified glass, raw material presses oxide in parts by weight, comprising:
SiO2: 56~68 parts
Al2O3: 19~27 parts
Li2O:1~4 part
Nucleating agent: 2-7 parts.
Further, raw material presses oxide in parts by weight, further includes:
Fluxing agent: 0-2 parts
Forming agent: 0-3 parts
Clarifying agent: 0-4.5 parts.
Further, in parts by weight by oxide, nucleating agent includes:
TiO2: 1~4 part
ZrO2: 1~3 part.
Further, in parts by weight by oxide,
Fluxing agent includes:
Na2O:0~1 part
K2O:0~1 part,
Forming agent includes:
MgO:0~1.5 part
ZnO:0~1.5 part,
Clarifying agent includes:
As2O3: 0~1.5 part
CeO2: 0~3 part.
Wherein, SiO2、Al2O3、Li2O presoma includes spodumene, i.e. SiO2、Al2O3、Li2O is provided by spodumene, no
The raw material of foot passes through other precursor forms and provides.Due to spodumene (LiAlSi2O6) mineral material is cheap, it is of the invention
Li2O is preferred whole or the overwhelming majority is provided by spodumene, and the contribution amount of surplus stock oxide is then generally former by corresponding industry
Material provides.As Li of the present invention2When O is all provided by spodumene, the spodumene is not only to starting oxides Li of the present invention2O has tribute
It offers, to starting oxides SiO of the invention2And Al2O3Also it contributes, the required remaining SiO of the present invention2Then pass through quartz sand etc.
Other precursor forms provide；Remaining Al2O3Then provided by other precursor forms such as aluminium hydroxides.Gained devitrified glass heat
The coefficient of expansion is (- 6~0.3) × 10-7/ DEG C, production cost is not only reduced, and hot expansibility is preferable.
Further, the presoma of above-mentioned raw materials includes glass crushed aggregate, i.e., the contribution amount of above-mentioned raw materials can be broken by glass
Material provides, and the wasting of resources caused by avoiding glass crushed aggregate from directly abandoning, glass crushed aggregate is to Li of the present invention2O is contributed, institute of the present invention
Need residue Li2O is provided by spodumene, and the contribution amount of surplus stock oxide of the present invention is provided again by the corresponding raw material of industry.
The devitrified glass, principal crystalline phase are β quartz solid solution, and 70%~85%, crystallite dimension is lower than crystal content
50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass are (- 6~0.3) × 10-7/℃。
The devitrified glass is applied in stabilized platform, optical mirror, electric light source glass, cooker, mobile phone backboard
Any one.
Wherein, the cooker includes the straight enamelware pot of devitrified glass, electric cooker or soup clay pot liner, electromagnetic oven devitrified glass
At least one of pot, wall-breaking machine glass.The devitrified glass is applied to the straight enamelware pot of devitrified glass, electric cooker or Baoshang
Pot liner, electromagnetic oven devitrified glass pot, wall-breaking machine glass.For the straight enamelware pot of devitrified glass because its coefficient of expansion is low, resistance to chilling is anxious
Good in thermal property can not split in open fire burning directly, and beautiful, health, and market prospects are good, but since technology of preparing threshold is higher,
Properties of product require high, cost input height, and there was only Corning Incorporated Corning Incorporated and the France in the U.S. at present
Bow and arrow company ARC International produces the product, and the country there is no producer to be engaged in the glass enamelware pot production, lead to state
Interior user needs, and the market of the product is caused to promote not open always.The straight enamelware pot of the devitrified glass of instant component or
Electromagnetic oven is simply controllable with devitrified glass pot preparation manipulation, and technical difficulty is low, Li2The presoma of O is cheap spodumene,
Show that spodumene of the present invention is formed according to raw material of the present invention by lot of experiments, through the invention crystallite glass made from technique
The thermal expansion coefficient of the straight enamelware pot of glass or electromagnetic oven devitrified glass pot is (- 6~0.3) × 10-7/ DEG C, fully meet the resistance to urgency of enamelware pot
Cold urgency heat request, hot expansibility is better than current external product, and the use of raw material spodumene greatly reduces production cost, nothing
Manufacturer is improved in shape in the competitiveness of technical field, conducive to the marketing of the product, is also conducive to user using opposite
Product purchase is carried out at a low price.
The stabilized platform, optical mirror, electric light source glass, cooker, any one preparation in mobile phone backboard
Method, comprising the following steps:
Raw material is uniformly mixed, homogenizing, clear glass melts are then melted into；
The glass melts are placed in mold, are pressed, and devitrified glass idiosome is obtained after annealing；
The devitrified glass idiosome is heat-treated through controlled micro crystallization up to product.
Further, the glass melts are placed in mold by manual pick material or automatic tear drop.
It needs after compression moulding through flame polish, then anneals.
Glass melting temperature is 1550 DEG C~1600 DEG C.
The controlled micro crystallization heat treatment includes heat treatment and Crystallizing treatment, and devitrified glass idiosome is first thermally treated, in nucleation temperature
The lower heat preservation of degree, is then warming up to crystallization temperature heat preservation again, carries out Crystallizing treatment.
Nucleation temperature is 500~700 DEG C, and soaking time is 1~15 hour；Crystallization temperature is 750~850 DEG C, when heat preservation
Between be 1~12 hour.
Wherein, when heat treatment, the rate for being cooled to nucleation temperature from Current Temperatures is 0.2-2 DEG C/min.
When Crystallizing treatment, the rate for being warming up to crystallization temperature from nucleation temperature is 0.2-2 DEG C/min.
Wherein, after electromagnetic oven is prepared into devitrified glass main pan body by method described above with devitrified glass pot, need through
Final electromagnetic oven devitrified glass pot can be just made in plated film.Coating technique includes physical method and chemical method, wherein physical method packet
Include vacuum evaporation coating, sputtering plating, ion plating etc., chemical method includes that low-pressure chemical vapor deposition, Plasma Enhanced Chemical Vapor sink
Product, chemical plating, dipping plating etc..Generally use physical method.
Compared with prior art, the invention has the following advantages:
1, the exemplary devitrified glass of the present invention, component is simple, and raw material is easy to get, and ratio raw material is mutual through the invention
Effect, regulates and controls the performance of devitrified glass, and gained comprehensive performance is excellent, and devitrified glass thermal expansion coefficient is (- 6~0.3) × 10-7/℃。
2, the application of the exemplary devitrified glass of the present invention, it is anti-that devitrified glass of the present invention can be applied to stabilized platform, optics
Mirror, electric light source glass, cooker, any one in mobile phone backboard are penetrated, thermal expansion coefficient is (- 6~0.3) × 10-7/ DEG C, meet
The use environment requirement of resistance to rapid heat cycle, is tested through thermal shock resistance test it is found that at 700 DEG C, product is harmless.
Further, Li2The presoma of O can be all or most of using cheap spodumene, surplus stock oxygen
Compound is industrial pure material, show that spodumene of the present invention is formed according to raw material of the present invention by lot of experiments, by this hair
Devitrified glass application product thermal expansion coefficient made from bright technique is (- 6~0.3) × 10-7/ DEG C, fully meet the resistance to chilling of enamelware pot
Anxious heat request, and the use of spodumene mineral material and industrial pure material greatly reduces production cost, virtually improves production
Producer is also conducive to user and uses opposite progress product purchase at a low price in the competitiveness of technical field conducive to the marketing of the product
It is excellent to buy comprehensive performance.
3, the exemplary straight enamelware pot of devitrified glass of the present invention, principal crystalline phase are β quartz solid solution, crystal content 70%~
85%, crystallite dimension is lower than 50nm, and the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/ DEG C, it fully meets
The resistance to rapid heat cycle requirement of enamelware pot, and hot expansibility is better than current external product.
4, the exemplary preparation method of the present invention, easy to operate controllable, technical difficulty is low, reduces research and development threshold, convenient for micro-
The popularization in crystal glass application product market and the promotion of properties of product.
Specific embodiment
In order to be better understood by technical solution of the present invention, the present invention is made into one below with reference to specification specific embodiment
Walk explanation.
Embodiment one
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 64 parts, Al2O3: 27 parts, Li2O:2 parts, TiO2: 4 parts,
ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear glass melts are then melted at 1550 DEG C,
Wherein, Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz sand,
Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 1 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 500 DEG C, and soaking time is 15 hours, is then warming up to again with the rate of 1 DEG C/min
Crystallization temperature heat preservation carries out Crystallizing treatment up to product, and crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment two
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 68 parts, Al2O3: 26 parts, Li2O:4 parts, TiO2: 1 part,
ZrO2: 1 part, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear glass melts are then melted at 1550 DEG C,
Wherein, Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz sand,
Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.2 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 700 DEG C, and soaking time is 1-5 hours, then again with the rate of 0.2 DEG C/min
It is warming up to crystallization temperature heat preservation, carries out Crystallizing treatment up to product, crystallization temperature is 850 DEG C, and soaking time was for 1-5 hours
?.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment three
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 65 parts, Al2O3: 27 parts, Li2O:1 parts, TiO2: 4 parts,
ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear glass melts are then melted at 1550 DEG C,
Wherein, Li2O presoma 85% is provided by spodumene, and residue passes through glass crushed aggregate, SiO2Presoma be spodumene (with Li2O institute
Subject to requirement), glass crushed aggregate is (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene (with Li2Needed for O
Subject to amount), glass crushed aggregate is (with Li2Subject to O aequum) and aluminium hydroxide, TiO2And ZrO2Presoma include glass crushed aggregate,
Glass crushed aggregate is to TiO2And ZrO2Contribution amount, with Li2It is calculated subject to O aequum；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 2 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 650 DEG C, and soaking time is 12 hours, is then warming up to again with the rate of 2 DEG C/min
Crystallization temperature heat preservation carries out Crystallizing treatment up to product, and crystallization temperature is 800 DEG C, soaking time be 8 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Example IV
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 64 parts, Al2O3: 27 parts, Li2O:2 parts, Na2O:1 parts,
TiO2: 3 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and
Quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or artificial tear drop, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.5 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 500 DEG C, and soaking time is 1 hour, then again with the rate liter of 0.5 DEG C/min
Temperature to crystallization temperature is kept the temperature, and carries out Crystallizing treatment up to product, and crystallization temperature is 750 DEG C, soaking time be 2 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment five
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 67.5 parts, Al2O3: 26 parts, Li2O:4 parts, Na2O:0.5 parts,
TiO2: 1 part, ZrO2: 1 part, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and
Quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.2 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 700 DEG C, and soaking time is 5-7 hours, then again with the rate of 0.2 DEG C/min
It is warming up to crystallization temperature heat preservation, carries out Crystallizing treatment up to product, crystallization temperature is 850 DEG C, and soaking time was for 5-6 hours
?.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment six
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 65 parts, Al2O3: 27 parts, Li2O:1 parts, Na2O:0.5 parts,
TiO2: 3.5 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clarification are then melted at 1550 DEG C
Glass melts, wherein Li2O presoma 85% is provided by spodumene, and residue passes through glass crushed aggregate, SiO2Presoma be lithium brightness
Stone is (with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene
(with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and aluminium hydroxide, TiO2And ZrO2Presoma wrap
Glass crushed aggregate is included, glass crushed aggregate is to TiO2And ZrO2Contribution amount, with Li2It is calculated subject to O aequum；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 2 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 680 DEG C, and soaking time is 10 hours, is then warming up to again with the rate of 2 DEG C/min
Crystallization temperature heat preservation carries out Crystallizing treatment up to product, and crystallization temperature is 800 DEG C, soaking time be 8-10 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment seven
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 64 parts, Al2O3: 27 parts, Li2O:2 parts, K2O:1 parts, TiO2:
3 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear glass are then melted at 1550 DEG C
Melt, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz
Sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 2 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 500 DEG C, and soaking time is 15 hours, is then warming up to again with the rate of 2 DEG C/min
Crystallization temperature heat preservation carries out Crystallizing treatment up to product, and crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment eight
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 67.5 parts, Al2O3: 26 parts, Li2O:4 parts, K2O:0.5 parts,
TiO2: 1 part, ZrO2: 1 part, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and
Quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.2 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 700 DEG C, and soaking time is 5-7 hours, then again with the rate of 0.2 DEG C/min
It is warming up to crystallization temperature heat preservation, carries out Crystallizing treatment up to product, crystallization temperature is 850 DEG C, and soaking time was for 5-6 hours
?.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment nine
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 65 parts, Al2O3: 27 parts, Li2O:1 parts, K2O:0.5 parts,
TiO2: 3.5 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clarification are then melted at 1550 DEG C
Glass melts, wherein Li2O presoma 85% is provided by spodumene, and residue passes through glass crushed aggregate, SiO2Presoma be lithium brightness
Stone is (with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene
(with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and aluminium hydroxide, TiO2And ZrO2Presoma wrap
Glass crushed aggregate is included, glass crushed aggregate is to TiO2And ZrO2Contribution amount, with Li2It is calculated subject to O aequum；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.8 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 680 DEG C, and soaking time is 10 hours, then again with the rate of 0.8 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 800 DEG C, soaking time be 9 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment ten
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 63.5 parts, Al2O3: 27 parts, Li2O:2 parts, Na2O:0.5 parts,
K2O:1 parts, TiO2: 3 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, are then melted at 1580 DEG C
Change, clear glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Needed for O
Subject to amount) and quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.7 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 500 DEG C, and soaking time is 15 hours, then again with the rate of 0.7 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 1.0 × 10-7/℃。
Embodiment 11
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 63.5 parts, Al2O3: 27 parts, Li2O:2 parts, MgO:1.5 parts,
TiO2: 3 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and
Quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.5 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 500 DEG C, and soaking time is 15 hours, then again with the rate of 0.5 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 12
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 67.5 parts, Al2O3: 25 parts, Li2O:4 parts, ZnO:1.5 parts,
TiO2: 1 part, ZrO2: 1 part, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum) and
Quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.2 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 700 DEG C, and soaking time is 5-7 hours, then again with the rate of 0.2 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 850 DEG C, soaking time be 7 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 13
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 65 parts, Al2O3: 27 parts, Li2O:1 parts, MgO:1 parts, ZnO:
1 part, TiO2: 2 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clear is then melted at 1550 DEG C
Clear glass melts, wherein Li2O presoma 85% is provided by spodumene, and residue passes through glass crushed aggregate, SiO2Presoma be lithium
Pyroxene is (with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be lithium brightness
Stone is (with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and aluminium hydroxide, TiO2And ZrO2Presoma it is equal
Including glass crushed aggregate, glass crushed aggregate is to TiO2And ZrO2Contribution amount, with Li2It is calculated subject to O aequum；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 1 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 680 DEG C, and soaking time is 10 hours, is then warming up to again with the rate of 1 DEG C/min
Crystallization temperature heat preservation carries out Crystallizing treatment up to product, and crystallization temperature is 800 DEG C, soaking time be 9 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 14
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 63 parts, Al2O3: 27 parts, Li2O:2 parts, Na2O:1 parts, K2O:
1 part, MgO:1 parts, ZnO:1 parts, TiO2: 2 parts, ZrO2: 2 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, then at 1580 DEG C
Under be melted into homogenizing, clear glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene
(with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome are first cooled to nucleation temperature from Current Temperatures with 1 DEG C/min rate and are heat-treated,
It is kept the temperature under nucleation temperature, nucleation temperature is 500 DEG C, and soaking time is 15 hours, is then heated up again with the rate of 0.5 DEG C/min
Kept the temperature to crystallization temperature, carry out Crystallizing treatment up to product, crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 15
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 66.5 parts, Al2O3: 26 parts, Li2O:4 parts, As2O3: 1.5
Part, TiO2: 1 part, ZrO2: 1 part, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clarification are then melted at 1600 DEG C
Glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Subject to O aequum)
And quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.2 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 700 DEG C, and soaking time is 5-7 hours, then again with the rate of 0.2 DEG C/min
It is warming up to crystallization temperature heat preservation, carries out Crystallizing treatment up to product, crystallization temperature is 850 DEG C, and soaking time was for 5-6 hours
?.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 16
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 60.5 parts, Al2O3: 27 parts, Li2O:3 parts, CeO2: 3 parts,
TiO2: 3.5 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, homogenizing, clarification are then melted at 1590 DEG C
Glass melts, wherein Li2O presoma 90% is provided by spodumene, and residue passes through glass crushed aggregate, SiO2Presoma be lithium brightness
Stone is (with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene
(with Li2Subject to O aequum), glass crushed aggregate is (with Li2Subject to O aequum) and aluminium hydroxide, TiO2And ZrO2Presoma wrap
Glass crushed aggregate is included, glass crushed aggregate is to TiO2And ZrO2Contribution amount, with Li2It is calculated subject to O aequum；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.8 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 680 DEG C, and soaking time is 10 hours, then again with the rate of 0.8 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 800 DEG C, soaking time be 9 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 17
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 62 parts, Al2O3: 27 parts, Li2O:2 parts, As2O3: 1 part,
CeO2: 2 parts, TiO2: 3 parts, ZrO2: 3 parts, above-mentioned raw materials are weighed, raw material is uniformly mixed, are then melted at 1580 DEG C
Change, clear glass melts, wherein Li2The all spodumenes of O presoma, SiO2Presoma be spodumene (with Li2Needed for O
Subject to amount) and quartz sand, Al2O3Presoma be spodumene (with Li2Subject to O aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.7 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 500 DEG C, and soaking time is 15 hours, then again with the rate of 0.7 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 750 DEG C, soaking time be 12 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is 0.3 × 10-7/℃。
Embodiment 18
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 60 parts, Al2O3: 27 parts, Li2O:2 parts, Na2O:1 parts, K2O:
1 part, MgO:1 parts, ZnO:1 parts, As2O3: 1 part, CeO2: 2 parts, TiO2: 2 parts, ZrO2: 2 parts, above-mentioned raw materials are weighed, raw material is mixed
It closes uniformly, homogenizing, clear glass melts is then melted at 1580 DEG C, wherein Li2The all spodumenes of O presoma,
SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene (with Li2Needed for O
Subject to amount) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.5 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 600 DEG C, and soaking time is 10 hours, then again with the rate of 0.5 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 800 DEG C, soaking time be 10 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 19
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 56 parts, Al2O3: 27 parts, Li2O:4 parts, Na2O:1 parts, K2O:
1 part, MgO:1 parts, ZnO:1 parts, As2O3: 1.5 parts, CeO2: 3 parts, TiO2: 2.5 parts, ZrO2: 2 parts, above-mentioned raw materials are weighed, it will be former
Material is uniformly mixed, and homogenizing, clear glass melts is then melted at 1580 DEG C, wherein Li2The all lithium brightness of O presoma
Stone, SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene (with Li2O
Subject to aequum) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.5 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 600 DEG C, and soaking time is 10 hours, then again with the rate of 0.5 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 800 DEG C, soaking time be 10 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 20
The preparation process of the straight enamelware pot of the devitrified glass of the present embodiment are as follows:
S1, raw material press oxide in parts by weight are as follows: SiO2: 64 parts, Al2O3: 19 parts, Li2O:4 parts, Na2O:1 parts, K2O:
1 part, MgO:1 parts, ZnO:1 parts, As2O3: 1 part, CeO2: 3 parts, TiO2: 3 parts, ZrO2: 2 parts, above-mentioned raw materials are weighed, raw material is mixed
It closes uniformly, homogenizing, clear glass melts is then melted at 1600 DEG C, wherein Li2The all spodumenes of O presoma,
SiO2Presoma be spodumene (with Li2Subject to O aequum) and quartz sand, Al2O3Presoma be spodumene (with Li2Needed for O
Subject to amount) and aluminium hydroxide；
S2, the glass melts are placed in mold by automatic tear drop or manual pick material, are pressed, flame is thrown
Light obtains devitrified glass idiosome after annealing；
S3, the devitrified glass idiosome be first cooled to from Current Temperatures with 0.5 DEG C/min rate nucleation temperature carry out it is hot from
Reason, keeps the temperature under nucleation temperature, and nucleation temperature is 600 DEG C, and soaking time is 10 hours, then again with the rate of 0.5 DEG C/min
Be warming up to crystallization temperature heat preservation, carry out Crystallizing treatment up to product, crystallization temperature is 800 DEG C, soaking time be 10 hours to obtain the final product.
The straight enamelware pot principal crystalline phase of gained devitrified glass is β quartz solid solution, and for crystal content 70%~85%, crystallite dimension is low
In 50nm, the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
Embodiment 21
The electromagnetic oven of the present embodiment is first any described according to above-described embodiment one to 20 with devitrified glass pot preparation process
Method be prepared into devitrified glass main pan body after (i.e. the electromagnetic oven of the present embodiment raw material components in devitrified glass pot preparation process and
Preparation process is substantially any described identical as embodiment one to 20, but needs to adjust mold according to specific product), then pass through
Final electromagnetic oven devitrified glass pot is made in any physical coating methods such as vacuum evaporation coating, sputtering plating, ion plating.
Embodiment 22
The present embodiment feature identical with embodiment 21 repeats no more, and the present embodiment is different from embodiment 21
It is characterized in that:
Coating technique use chemical method, chemical method include low-pressure chemical vapor deposition, plasma reinforced chemical vapour deposition,
Chemical plating, dipping plating etc..
Embodiment 23
The electric cooker or soup clay pot liner preparation process of the present embodiment are according to any side of above-described embodiment one to 20
Method preparation.
Embodiment 24
The wall-breaking machine glass preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Embodiment 25
The stabilized platform preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Embodiment 26
The optical mirror preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Embodiment 27
The electric light source glass preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Embodiment 28
The mobile phone backboard preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Embodiment 29
The devitrified glass preparation process of the present embodiment is prepared according to any the method for above-described embodiment one to 20.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of devitrified glass, characterized in that raw material presses oxide in parts by weight, comprising:
SiO2: 56~68 parts
Al2O3: 19~27 parts
Li2O:1~4 part
Nucleating agent: 2-7 parts.
2. devitrified glass according to claim 1, characterized in that raw material presses oxide in parts by weight, further includes:
Fluxing agent: 0-2 parts
Forming agent: 0-3 parts
Clarifying agent: 0-4.5 parts.
3. devitrified glass according to claim 1, characterized in that in parts by weight by oxide, nucleating agent includes:
TiO2: 1~4 part
ZrO2: 1~3 part.
4. devitrified glass according to claim 2, characterized in that in parts by weight by oxide,
Fluxing agent includes:
Na2O:0~1 part
K2O:0~1 part,
Forming agent includes:
MgO:0~1.5 part
ZnO:0~1.5 part,
Clarifying agent includes:
As2O3: 0~1.5 part
CeO2: 0~3 part.
5. devitrified glass according to claim 1 to 4, characterized in that SiO2、Al2O3、Li2O presoma includes lithium
Pyroxene.
6. -5 any devitrified glass according to claim 1, characterized in that the presoma of raw material includes glass crushed aggregate.
7. devitrified glass according to claim 1 to 4, characterized in that principal crystalline phase is β quartz solid solution, crystal content
70%~85%, crystallite dimension is lower than 50nm, and the thermal expansion coefficient of the straight enamelware pot of devitrified glass is (- 6~0.3) × 10-7/℃。
8. a kind of devitrified glass as claimed in claim 1 to 7 be applied to stabilized platform, optical mirror, electric light source glass,
Any one in cooker, mobile phone backboard.
9. according to the cooker according to any one of claims 8, characterized in that the cooker includes the straight enamelware pot of devitrified glass, electric cooker
Or at least one of soup clay pot liner, electromagnetic oven devitrified glass pot, wall-breaking machine glass.
10. in a kind of stabilized platform according to claim 8, optical mirror, electric light source glass, cooker, mobile phone backboard
Any one preparation method, characterized in that the following steps are included:
Raw material is uniformly mixed, homogenizing, clear glass melts are then melted into；
The glass melts are placed in mold, are pressed, and devitrified glass idiosome is obtained after annealing；
The devitrified glass idiosome is heat-treated through controlled micro crystallization up to product.
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| CN113045295A (en) * | 2021-02-05 | 2021-06-29 | 佛山陶者陶瓷技术有限公司 | High-strength ceramic sectional material and preparation method thereof |
| CN115124237A (en) * | 2022-06-01 | 2022-09-30 | 贵州大学 | Composite fluxing agent and application thereof |
| CN115124245A (en) * | 2022-06-01 | 2022-09-30 | 贵州大学 | One-step process for preparing microcrystalline glass from chromium-containing stainless steel slag |
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Application publication date: 20190503 |