CN108558395A - A kind of zirconia ceramics material composition and its application - Google Patents
A kind of zirconia ceramics material composition and its application Download PDFInfo
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Abstract
The invention discloses a kind of zirconia ceramics material compositions, include the ingredient of following mass percentage：Iron oxide 0.01 4%, aluminium oxide 0.01 15%, yttrium oxide 2 7%, nickel oxide 0.01 7%, surplus is the zirconium oxide containing hafnium oxide, and the zirconia ceramics material composition is free of cobalt.Cobalt is free of in ceramic material composition of the present invention；Nickel ion can with the formal distribution of glass phase zirconium oxide grain boundaries, to improve the slip of crystal of zirconium oxide, further reach improve zirconia ceramics toughness and intensity；Toner ion deposits to zirconia ceramics particle surface with ionic condition, is directly coated on zirconia ceramics particle surface, keeps stain ion and ceramic particle mixing uniformity preferable, uniformity of chromaticity is good.Meanwhile the invention also discloses the preparation methods of the zirconia ceramics and the zirconia ceramics that are prepared using the composition.
Description
Technical field
The present invention relates to a kind of ceramic material powder and its application, especially a kind of zirconia ceramics material composition and its
Using.
Background technology
Zirconia ceramics can " transformation toughening " mechanism distinctive by its be effectively improved the brittleness of ceramics, therefore many
Field is used widely, especially fast in electric consumers and the application development on wearable device sheathing material in recent years
Speed.As decoration, shell, it is desirable that material does not fade, is colour-fast, damage resistant, drop resistant hinder, and need to have outside high-end vision
It sees and uses sense of touch.Black is a kind of common color of ornament materials.The texture and metallic luster of black collocation zirconia ceramics,
Low-key and it is luxurious, greatly enhance its appearance, but black is the color for being most difficult to present in zirconia ceramics again, it is main to show
：1, complex process, coloration are bad：The coloration of black zirconia ceramics is related to the black toner of incorporation, and different material group
The coloration that toner prepared by part and method mixes also differs, and with red most commonly seen, black is most difficult to allocate；2, black toner
Incorporation it is higher, high incorporation not only increases production cost, and can influence the bending strength and density of zirconia ceramics
Etc. other performances.
Invention content
A kind of high intensity, high rigidity, tough is provided it is an object of the invention to overcome in place of above-mentioned the deficiencies in the prior art
Property and the preferable zirconia ceramics material composition of hardness matching degree.
To achieve the above object, the technical solution that the present invention takes is：A kind of zirconia ceramics material composition, including with
The ingredient of lower mass percentage：Iron oxide 0.01-4%, aluminium oxide 0.01-15%, yttrium oxide 2-7%, nickel oxide 0.01-
7%, surplus is the zirconium oxide containing hafnium oxide, and the zirconia ceramics material composition is free of cobalt.
It is cobalt oxide that black toner is commonly used in existing black zirconia ceramics, cobalt it is of high cost, it is unfriendly to environment, to people
Body is harmful, and cobalt oxide content control bad is easy to cause the inclined bronzing of zirconia ceramics material；Ceramics material of the present invention
Cobalt is free of in feed composition；Nickel ion can with the formal distribution of glass phase zirconium oxide grain boundaries, with improve zirconium oxide crystalline substance
The slip of body further reaches the toughness and intensity for improving zirconia ceramics；Toner ion deposits to oxygen with ionic condition
Change zircon ceramic particle surface, is directly coated on zirconia ceramics particle surface, stain ion is made to be mixed with ceramic particle
Even property is preferable, and uniformity of chromaticity is good.
Preferably, the composition also includes zinc oxide, the mass percentage of the zinc oxide in the composition
For 0.001-3.5%.
Nickel oxide in the range, can be such that the crystal grain of zirconium oxide firmly combines each other, therefore it is tough to improve fracture
Property；Zinc oxide in the range, can improve intensity so that intensity and toughness reach good balance.Nickel oxide, zinc oxide are made
For the primary raw material of black pigment, it can cooperate with and play a role at high temperature, form the black ceramic with spinel structure, tool
There is excellent high-temperature stability, will not occur decomposing at a temperature of 1550 DEG C and gamut, and evenness.
It is highly preferred that the composition is free of chromium.
Composition of the present invention avoids using on the basis of ensureing ceramic blackness and toughness, intensity containing chromium compound,
Cr VI is especially free of, porcelain product have environmental-friendly performance after so that it is molded.
Preferably, mass percentage of the iron oxide in the ceramic material composition is 0.1-4%, the oxygen
It is 0.2-5% to change mass percentage of the aluminium in the ceramic material composition.
Preferably, mass percentage of the nickel oxide in the ceramic material composition is 0.2-7%, the oxygen
It is 0.01-3% to change mass percentage of the zinc in the ceramic material composition.
Preferably, the zirconia ceramics material composition is powder, and powder D50 granularities are 0.1-1.5 μm, specific surface
Product is 5-18m2/g。
Aluminium oxide can play toughening effect in ceramic powder, be mixed in the form of size particles with zirconium oxide, improve particle
Between compactness, reduce its porosity, to reduce molding porcelain body sintering process in shrinking percentage, greatly improve molding porcelain body densification
Degree makes molding porcelain body have superior flexural strength.
Meanwhile the present invention also provides a kind of zirconia ceramics, the zirconia ceramics includes above-mentioned zirconia ceramics material
Feed composition.
In addition, the present invention also provides a kind of preparation method of above-mentioned zirconia ceramics, include the following steps：
(1) each ingredient contained by zirconia ceramics material composition is mixed, obtains zirconia ceramics material composition；
(2) the zirconia ceramics material composition that step (1) obtains is molded, roasting obtains black zirconia pottery
Porcelain；
In the step (2) be shaped to tape casting, it is dry-pressing formed, injection moulding, hot-forming or gel injection at
Type.
Preferably, it is shaped to gel injection molding in the step (2), the gel injection molding includes following step
Suddenly：
The zirconia ceramics material composition that step (1) obtains is uniformly mixed by (2a) with solvent, organic additive, is configured to
Slurry, wherein the solvent is water, and the organic additive is at least one in acrylamide, acrylate, Methacrylamide
Kind；
After initiator, catalyst is added in the slurry that step (2a) obtains in (2b), slurry is injected in mold, wherein
The initiator is at least one of ammonium persulfate, potassium peroxydisulfate；
Mold is placed at room temperature for 5-10min by (2c), and after molding to be solidified, dry 2-6h is to get the oxygen at 40-80 DEG C
Change zircon ceramic green body.
This method gel injection technique forms black zirconia porcelain body using organic monomer cross-linked polymeric, and component is uniform,
Even density, defect are few.In addition, it is simple for process, it is easy to operate, do not increase production process and workload, it can be achieved that volume production.Using this
The black zirconia ceramics that invention the method is prepared, fracture toughness 10~14, hardness are 1100~1250, are had excellent
High-temperature stability, will not occur decomposing at a temperature of 1550 DEG C and gamut, and evenness.
Compared with prior art, beneficial effects of the present invention are：
In ceramic material composition of the present invention, the primary raw material of nickel oxide, zinc oxide as black pigment can be in high temperature
Lower synergistic effect forms the black ceramic with spinel structure, has excellent high-temperature stability, even if in 1550 DEG C of temperature
Will not occur decomposing under degree and gamut, and evenness；
Not only intensity hardness is high, but also toughness and hardness matching degree are preferable, the powder at tile easy processing, be not in
Collapse scarce, which determined by its fracture toughness and hardness, (fracture toughness 10~14, hardness are 1100~1250)；
Nickel ion can with the formal distribution of glass phase zirconium oxide grain boundaries, to improve the slip of crystal of zirconium oxide
Property, further reach the toughness and intensity for improving zirconia ceramics.Toner ion deposits to zirconia ceramics with ionic condition
Grain surface, is directly coated on zirconia ceramics particle surface, keeps stain ion and ceramic particle mixing uniformity preferable, color
It is good to spend uniformity.
The preparation method of black zirconia ceramics material of the present invention, technique is prepared simply, easy to operate, does not increase production
Process and workload have preferable stability, can realize homogenizing for product, and do not increase the later stage, it can be achieved that volume production
Moulding process and the final strength and fracture toughness for not influencing zirconia ceramics.
Specific implementation mode
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiment to the present invention
It is described further.
Embodiment 1
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 0.01%, aluminium oxide 3%, yttrium oxide 2%, nickel oxide 3%, zinc oxide 1.5%, chromium oxide 0.1%, it is remaining
Amount is the zirconium oxide containing hafnium oxide, and the zirconia ceramics material composition is free of cobalt.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 0.5 μm, and specific surface area is
4m2/g。
Embodiment 2
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 0.01%, aluminium oxide 0.01%, yttrium oxide 2%, nickel oxide 2%, zinc oxide 0.001%, surplus be containing
There is the zirconium oxide of hafnium oxide, and the zirconia ceramics material composition is free of cobalt, is free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 0.1 μm, and specific surface area is
5m2/g。
Embodiment 3
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 4%, aluminium oxide 0.2%, yttrium oxide 7%, nickel oxide 3%, zinc oxide 0.1%, surplus are to contain oxidation
The zirconium oxide of hafnium, and the zirconia ceramics material composition is free of cobalt, is free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 1.5 μm, and specific surface area is
18m2/g。
Embodiment 4
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 1%, aluminium oxide 15%, yttrium oxide 3%, nickel oxide 0.01%, zinc oxide 1.5%, surplus are containing aerobic
Change the zirconium oxide of hafnium, and the zirconia ceramics material composition is free of cobalt, is free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 0.5 μm, and specific surface area is
12m2/g。
Embodiment 5
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 0.1%, aluminium oxide 5%, yttrium oxide 4%, nickel oxide 0.2%, zinc oxide 2%, surplus are to contain oxidation
The zirconium oxide of hafnium, and the zirconia ceramics material composition is free of cobalt, is free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 1 μm, and specific surface area is
15m2/g。
Embodiment 6
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 3%, aluminium oxide 4%, yttrium oxide 5%, nickel oxide 4%, zinc oxide 3%, surplus are to contain hafnium oxide
Zirconium oxide, and the zirconia ceramics material composition is free of cobalt, is free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 1 μm, and specific surface area is
15m2/g。
Embodiment 7
A kind of embodiment of zirconia ceramics material composition of the present invention, zirconia ceramics material combination described in the present embodiment
Object contains the component of following mass percentage：
Iron oxide 2%, aluminium oxide 15%, yttrium oxide 6%, nickel oxide 7%, zinc oxide 3.5%, surplus are to contain hafnium oxide
Zirconium oxide, and the zirconia ceramics material composition without cobalt, be free of chromium.
The zirconia ceramics material composition of the present embodiment is powder, and powder D50 granularities are 0.5 μm, and specific surface area is
12m2/g。
The performance test of 8 zirconia ceramics of embodiment
Test group 1~7 is arranged in the present embodiment and control group, the zirconia ceramics material of the test group 1~7 are respectively adopted
The zirconia ceramics material composition of Examples 1 to 7 is prepared, and the zirconia ceramics of test group 1~7 and control group is using same
The preparation method of sample is prepared, and the preparation method comprises the following steps：
(1) each ingredient contained by zirconia ceramics material composition is mixed, obtains zirconia ceramics material composition；
(2) the zirconia ceramics material composition that step (1) obtains is molded, roasting obtains zirconia ceramics；
It is shaped to gel injection molding in the step (2), the gel injection molding includes the following steps：
The zirconia ceramics material composition that step (1) obtains is uniformly mixed by (2a) with solvent, organic additive, is configured to
Slurry, wherein the solvent is water, and the organic additive is at least one in acrylamide, acrylate, Methacrylamide
Kind；
After initiator, catalyst is added in the slurry that step (2a) obtains in (2b), slurry is injected in mold, wherein
The initiator is at least one of ammonium persulfate, potassium peroxydisulfate；
Mold is placed at room temperature for 5-10min by (2c), and after molding to be solidified, dry 2-6h is to get the oxygen at 40-80 DEG C
Change zircon ceramic green body.
Control group is existing relatively common black zirconia ceramics formula (containing cobalt, containing chromium), the zirconia ceramics material
Feed composition contains the component of following mass percentage：
Iron oxide 2%, cobalt oxide 0.8%, chromium oxide 2%, aluminium oxide 1%, manganese oxide 0.5%, zinc oxide 2%, oxidation
Yttrium 5%, titanium oxide 0.5%, silica 0.5%, cerium oxide 1%, strontium oxide strontia 3%, calcium oxide 2%, magnesia 4%, surplus
For the zirconium oxide containing hafnium oxide；In the zirconium oxide containing hafnium oxide, hafnium oxide is in the zirconium oxide containing hafnium oxide
In mass percentage be 10%.
The zirconia ceramics material composition of the present embodiment is powder, and the powder D50 granularities are 1.2 μm, specific surface area
For 9m2/g。
Test group 1~7 is identical with the molding mode that control group uses, the zirconia ceramics of test group 1~7 and control group
Polishing thickness also all same (being 0.5mm).The 550nm waves of the black zirconia ceramics of test group 1~7 and control group are surveyed respectively
Long lower light transmittance, OD values, chromatic value, at porcelain density, hardness, intensity, toughness, test result is as shown in table 1.
The performance test results of 1 zirconia ceramics of table
As seen from the results in Table 1, zirconia ceramics of the invention has higher intensity and hardness, blackness, toughness；Wherein,
The zirconia ceramics of test group 6, effect are preferable.
Embodiment 9
According to the method in embodiment 8, as a contrast by the ceramics obtained in embodiment 2, test group 1~15, examination are set
It tests in group 1~15 in addition to the content of nickel oxide, zinc oxide is different, other compositions are identical as the ingredient of ceramics in embodiment 3,
Nickel oxide, the content of zinc oxide and its high-temperature stability are as shown in table 2 in test group 1~15, one column of the high-temperature stability
Zirconia ceramics described in temperature representative can stablize coloring at such a temperature：
The content and its high-temperature stability of nickel oxide, zinc oxide in 2 test group of table and control group
From table 2 it can be seen that test group 6~11 and test group 1 contain nickel oxide and zinc oxide, and the two content all exists
Within the scope of the invention, the high-temperature stability of test group 6~11 and test group 1 is substantially better than the (test group 2~5 of test group 2~5
Contain only one kind in nickel oxide and zinc oxide)；Although test group 12~15 also simultaneously contain nickel oxide and zinc oxide, two
Outside the scope of the present invention, the high-temperature stability of test group 12~15 is significantly worse than test group 6~11 and test group to person's content
1；It therefore deduces that, under conditions of other conditions are the same, in ceramic material of the present invention, the nickel oxide of certain content, oxidation
Primary raw material of the zinc as black pigment, can cooperate with and play a role at high temperature, form the black with spinel structure and make pottery
Porcelain has excellent high-temperature stability.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is protected to the present invention
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art should
Understand, technical scheme of the present invention can be modified or replaced equivalently, without departing from the essence of technical solution of the present invention
And range.
Claims (8)
1. a kind of zirconia ceramics material composition, which is characterized in that include the ingredient of following mass percentage：Iron oxide
0.01-4%, aluminium oxide 0.01-15%, yttrium oxide 2-7%, nickel oxide 0.01-7%, surplus are the zirconium oxide containing hafnium oxide,
And the zirconia ceramics material composition is free of cobalt.
2. zirconia ceramics material composition as described in claim 1, which is characterized in that the composition also includes oxidation
Zinc, the mass percentage of the zinc oxide in the composition are 0.001-3.5%.
3. zirconia ceramics material composition as claimed in claim 2, which is characterized in that the composition is free of chromium.
4. zirconia ceramics material composition as described in claim 1, which is characterized in that the iron oxide is in the ceramic material
Mass percentage in feed composition is 0.1-4%, quality percentage of the aluminium oxide in the ceramic material composition
Content is 0.2-5%.
5. zirconia ceramics material composition as claimed in claim 2, which is characterized in that the nickel oxide is in the ceramic material
Mass percentage in feed composition is 0.2-7%, quality percentage of the zinc oxide in the ceramic material composition
Content is 0.01-3%.
6. such as Claims 1 to 5 any one of them zirconia ceramics material composition, which is characterized in that the zirconium oxide pottery
Ceramic material composition is powder, and powder D50 granularities are 0.1-1.5 μm, specific surface area 5-18m2/g。
7. the zirconia ceramics that a kind of composition as described in claim 1~6 is arbitrary is prepared, which is characterized in that described
Zirconia ceramics is as obtained by the preparation of following preparation method：
(1) each ingredient contained by zirconia ceramics material composition is mixed, obtains zirconia ceramics material composition；
(2) the zirconia ceramics material composition that step (1) obtains is molded, roasting obtains zirconia ceramics；
It is shaped to tape casting, dry-pressing formed, injection moulding, the molding of hot-forming or gel injection in the step (2).
8. the preparation method of zirconia ceramics as claimed in claim 7, which is characterized in that be shaped in the step (2)
Gel injection is molded, and the gel injection molding includes the following steps：
The zirconia ceramics material composition that step (1) obtains is uniformly mixed by (2a) with solvent, organic additive, and preparation is slurried
Material, wherein the solvent is water, and the organic additive is at least one in acrylamide, acrylate, Methacrylamide
Kind；
After initiator, catalyst is added in the slurry that step (2a) obtains in (2b), slurry is injected in mold, wherein described
Initiator is at least one of ammonium persulfate, potassium peroxydisulfate；
Mold is placed at room temperature for 5-10min by (2c), and after molding to be solidified, dry 2-6h is to get the zirconium oxide at 40-80 DEG C
Ceramic body.
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| CN201810526689.XA CN108558395A (en) | 2018-05-28 | 2018-05-28 | A kind of zirconia ceramics material composition and its application |
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| CN116375467A (en) * | 2023-02-13 | 2023-07-04 | 三祥新材股份有限公司 | Preparation method of zirconia ceramic backboard of wearable equipment |
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