CN108019569A - A kind of glass undercoating composite metal pipe and its preparation process - Google Patents
A kind of glass undercoating composite metal pipe and its preparation process Download PDFInfo
- Publication number
- CN108019569A CN108019569A CN201610963400.1A CN201610963400A CN108019569A CN 108019569 A CN108019569 A CN 108019569A CN 201610963400 A CN201610963400 A CN 201610963400A CN 108019569 A CN108019569 A CN 108019569A
- Authority
- CN
- China
- Prior art keywords
- glass
- undercoating
- metal pipe
- powder
- composite metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/18—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing free metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D5/00—Coating with enamels or vitreous layers
- C23D5/04—Coating with enamels or vitreous layers by dry methods
Abstract
The present invention provides a kind of glass undercoating composite metal pipe and its preparation process；The glass paste is coated on the inner surface of the metal tube matrix, and one layer of uniform and smooth glass protection film layer is formed after sintering；The glass paste is one or more mixtures in glass dust and metal powder.Preparation process is:(1) glass paste raw material is weighed, batch mixing ball milling after adhesive is added, is configured to the preferable coating paste of suspension；(2) above-mentioned slurry is coated on metal pipe internal surface and dry solidification using the centrifuge of drying device, forms one layer of certain thickness uniform green compact；(3) metal tube with green layer is obtained into glass undercoating composite metal pipe in kiln drying, low-temperature sintering.Glass undercoating composite metal pipe prepared by the present invention, contain a certain amount of metal powder in glass film layers, play the purpose for adjusting the film layer coefficient of expansion so that coating is combined closely with matrix, corrosion resistance, wear-resisting property, anti-aging property are superior, so as to extend metal tube service life.
Description
Technical field
The invention belongs to compound pipeline complex pipeline preparation field.Specially a kind of glass undercoating composite metal pipe and its preparation work
Skill.
Background technology
As pipeline is in the extensive use of every field, it is huge that corrosion failure causes the serious accident of burst often to cause
Economic loss and serious societal consequence.Countries in the world are often only corrosive pipeline and result in huge economic loss, and the U.S. is about
2000000000 dollars, Britain is about 1,700,000,000 dollars, about 3,300,000,000 dollars of Germany and Japan.
Compound pipeline complex pipeline be in current anti-corrosion measure it is most effective, most economical, using it is most universal, be not easily engineered person's accreditation most
Measure.Mainly there are the measures such as gelling undercoating, resin-lined, ceramic-lined stainless steel pipes and glass-lined multiple tube.But
It is resin-lined not wear-resisting, easy to aging；It is ceramic-lined wear-resisting but easily cracked and ooze erosion；Founding rotary glass inner liner compound pipe
Preparation process is of high cost；And the undercoating steel pipe internal-surface that is gelled easily grows marine organisms, the conveying capacity of deep fades pipeline.
Based on this, the present invention provides a kind of glass undercoating composite metal pipe.
The content of the invention
The purpose of the present invention is exactly to solve the deficiency of the prior art and a kind of simple production process, the cost that provide are low
Glass undercoating composite metal pipe.The present invention is to realize above-mentioned purpose using following technical solution：In a kind of glass
Coating composite metal pipe, it is characterised in that the glass paste is coated on the inner surface of the metal tube matrix, is formed after sintering
One layer of uniform and smooth glass protection film layer；The glass paste is one or more mixing in glass dust and metal powder
Thing.Wherein, metal powder plays the purpose for adjusting the film layer coefficient of expansion so that coating is combined closely with metal tube matrix, corrosion-resistant
Performance, wear-resisting property, anti-aging property are superior, so as to extend the service life of metal tube.
Further, the glass dust is ZnO-B2O3-P2O5Glass frit or cordierite glass powder.
Further, the ZnO-B2O3-P2O5Glass frit is made of the component of following percent by volume：ZnO30~
60%、B2O3 10~30%、P2O5 10~20%、Bi2O3 5~15%、Al2O3 5~15%、Fe2O3 5~10%、TiO2 0~5%。
Further, the metal powder mixes for the one or more of the metal powders such as copper powder, stainless steel powder, nickel powder and its alloy
Compound.
Further, the metal powder is less than 2 μm of super fine for granularity, and the ratio that metal powder accounts for slurry is 0 ~ 40%.
Further, the thickness of the glass coating is 0.2 ~ 1.5mm.
Further, the metal tube is stainless steel tube, copper pipe, cast tube, nickel alloy pipe etc..
A kind of preparation of the glass undercoating composite metal pipe, mainly includes the following steps that：
(1) glass paste raw material is weighed, adds batch mixing ball milling after adhesive, and be configured to the preferable coating paste of suspension；
(2) using the centrifuge of drying device, by the slurry obtained by step (1) coated on metal pipe internal surface and certain
Dry solidification under temperature conditionss, one layer of certain thickness uniform green compact are formed in metal pipe internal surface；
(3) metal tube with green layer is obtained into the internally coated compound gold of smooth band glass in kiln drying, low-temperature sintering
Belong to pipe.
Further, the glass dust is ZnO-B2O3-P2O5During glass frit, sintering temperature is less than 700 DEG C；It is described
When glass dust is cordierite glass powder, sintering temperature is 800 ~ 1000 DEG C.
The beneficial effects of the invention are as follows：The present invention proposes a kind of glass undercoating composite metal pipe, with prior art phase
Than, glass undercoating compactness of the present invention, corrosion resistance, wearability and ageing resistance are excellent, and coating surface is smooth, resistance is small,
It can play the role of drag reduction during as undercoating.Meanwhile contain a certain amount of metal powder in glass film layers, it is swollen to play adjusting film layer
The purpose of swollen coefficient so that coating is combined closely with metal tube matrix so that solve conventional resins undercoating pipeline it is not wear-resisting,
Easily cracked and stomata, fusion casting glass-lined pipeline preparation process are complicated, of high cost for easy to aging, ceramic undercoating pipeline
The problems such as, the service life of metallic conduit is extended, there is important Practical significance.
Brief description of the drawings
Fig. 1 is the structure diagram of glass undercoating composite metal pipe of the present invention.
Fig. 2 is the cross section structure schematic diagram of glass undercoating composite metal pipe of the present invention.
Symbol description in figure：Steel pipe walls 1, glass undercoating 2, glass undercoating composite metal pipe 3, metal powder 4.
Specific embodiment
Technical scheme is further illustrated with reference to present disclosure and by embodiment.
Embodiment 1：
Glass dust raw material is weighed by volumes below percentage：ZnO30%、B2O325%、P2O515%、Bi2O310%、Al2O310%、
Fe2O310%；By raw material according to simple glass powder preparation technique batch mixing → melting → ball milling → sieving, glass dust is prepared；By matter
Amount number weighs glass paste raw material：1.5 μm of 10 parts of copper powder, the median of above-mentioned 80 parts of glass dust, 1.5 μm of median
10 parts of stainless steel powder；By raw material according to glass paste preparation process add adhesive after batch mixing ball milling, and be configured to suspension compared with
Good coating paste；Followed by the centrifuge of drying device, slurry is coated on stainless steel steel under the influence of centrifugal force
Pipe internal surface and in 90 DEG C of dry solidifications, the green compact of one layer of 0.2mm thickness are formed in stainless-steel pipe inner surface；Then will be with green compact
Layer stainless-steel pipe in kiln drying, in 500 DEG C of 1 ~ 2h of heat preservation sintering；Last natural cooling, that is, obtain of the present invention
The smooth internally coated multiple tube of band glass.Since glass dust fusing point is low, melt at a lower temperature, in inner surface of pipeline shape
Into closed uniform glass film layers；Meanwhile copper powder in glass film layers and stainless steel powder play the work for adjusting the film layer coefficient of expansion
With so that coating has preferable thermal matching energy with stainless steel tube matrix.
Embodiment 2：
Glass dust raw material is weighed by volumes below percentage：ZnO40%、B2O315%、P2O510%、Bi2O315%、Al2O315%、
Fe2O35%；By raw material according to simple glass powder preparation technique batch mixing → melting → ball milling → sieving, glass dust is prepared；By quality
Number weighs glass paste raw material：25 parts of the copper powder of above-mentioned 75 parts of glass dust, 1 μm of median；By raw material according to glass paste
Preparation process adds batch mixing ball milling after adhesive, and is configured to the preferable coating paste of suspension；Followed by drying device
Centrifuge, under the influence of centrifugal force by slurry coated on copper-nickel alloy pipe internal surface and in 100 DEG C of dry solidifications, in White Copper Tubes
Surface forms the green compact of one layer of 0.5mm thickness；Then by the White Copper Tubes with green layer in kiln drying, in 550 DEG C of heat preservation sinterings 0.5
~1h；Last natural cooling, that is, obtain the smooth internally coated multiple tube of band glass of the present invention.Due to glass dust fusing point
It is low, melt at a lower temperature, closed uniform glass film layers are formed in inner surface of pipeline；Meanwhile the copper in glass film layers
Powder plays the role of adjusting the film layer coefficient of expansion so that coating has preferable thermal matching energy with copper pipe matrix.
Embodiment 3：
Glass dust raw material is weighed by volumes below percentage：ZnO50%、B2O310%、P2O510%、Bi2O310%、Al2O310%、
Fe2O39%、1%TiO2；By raw material according to simple glass powder preparation technique batch mixing → melting → ball milling → sieving, glass is prepared
Powder；Glass paste raw material is weighed by mass fraction：20 parts of the stainless steel powder of above-mentioned 80 parts of glass dust, 0.8 μm of median；By original
Material is configured to the preferable coating paste of suspension according to batch mixing ball milling after glass paste preparation process addition adhesive；Then
Using the centrifuge of drying device, under the influence of centrifugal force by slurry coated on stainless-steel pipe inner surface and at 110 DEG C
Dry solidification, the green compact of one layer of 0.8mm thickness are formed in stainless-steel pipe inner surface；Then the stainless-steel pipe with green layer is existed
Kiln drying, in 600 DEG C of 0.5 ~ 1h of heat preservation sintering；Last natural cooling, that is, obtain in smooth band glass of the present invention
The multiple tube of coating.Since glass dust fusing point is low, melts at a lower temperature, closed uniform glass is formed in inner surface of pipeline
Glass film layer；Meanwhile the stainless steel powder in glass film layers plays the role of adjusting the film layer coefficient of expansion so that coating and stainless steel tube
Matrix has preferable thermal matching energy.
Embodiment 4：
Glass paste raw material is weighed by mass fraction：80 parts of cordierite glass powder, 20 parts of the stainless steel powder that 1 μm of median；Will
Raw material is configured to the preferable coating paste of suspension according to batch mixing ball milling after glass paste preparation process addition adhesive；Connect
The centrifuge using drying device, under the influence of centrifugal force by slurry coated on stainless-steel pipe inner surface and 100
DEG C dry solidification, the green compact of one layer of 1mm thickness are formed in stainless-steel pipe inner surface；Then the stainless-steel pipe with green layer is existed
Kiln drying, in 800 DEG C of 0.5 ~ 1h of heat preservation sintering；Last natural cooling, that is, obtain smooth band cordierite of the present invention
The internally coated multiple tube of devitrified glass.Since cordierite glass powder melt temperature is higher, such product is suitably applied high-temperature field
Close.
Embodiment 5：
Glass paste raw material is weighed by mass fraction：65 parts of cordierite glass powder, 20 parts of the nickel powder that 1.2 μm of median, middle position
1.2 μm of particle diameter, 15 parts of stainless steel powder；By raw material according to batch mixing ball milling after glass paste preparation process addition adhesive, and it is configured to
The preferable coating paste of suspension；Followed by the centrifuge of drying device, slurry is coated under the influence of centrifugal force
Nickel alloy pipe inner surface and in 110 DEG C of dry solidifications, the green compact of one layer of 1.2mm thickness are formed in nickel alloy pipe inner surface；Then will
Nickel alloy pipe with green layer in kiln drying, in 900 DEG C of 0.5 ~ 1h of heat preservation sintering；Last natural cooling, that is, obtain the present invention
The smooth internally coated multiple tube of band cordierite glass-ceramic.Since cordierite glass powder melt temperature is higher, such
Product is suitably applied high temperature applicationss.
It is to be understood that above-described embodiment is only that the embodiment of the present invention is described, not to this
The scope of invention is defined, and those skilled in the art can also do numerous modifications and variations on the basis of existing technology, such as
Using different sintering temperatures or the metal powder of different medians, on the premise of design spirit of the present invention is not departed from, ability
The various improvement that domain ordinary skill technical staff makes technical scheme, should all cover in protection scope of the present invention
It is interior.
Claims (9)
1. a kind of glass undercoating composite metal pipe, it is characterised in that the glass paste is coated on the metal tube matrix
Inner surface, forms one layer of uniform and smooth glass protection film layer after sintering；The glass paste is in glass dust and metal powder
One or more mixtures.
A kind of 2. glass coating composite metal pipe according to claim 1, it is characterised in that：The glass dust is ZnO-
B2O3-P2O5Glass frit or cordierite glass powder.
A kind of 3. glass undercoating composite metal pipe according to claim 2, it is characterised in that：The ZnO-B2O3-P2O5
Glass frit is made of the component of following percent by volume：ZnO30~60%、B2O3 10~30%、P2O5 10~20%、Bi2O3 5~
15%、Al2O3 5~15%、Fe2O3 5~10%、TiO2 0~5%。
A kind of 4. glass undercoating composite metal pipe according to claim 1, it is characterised in that：The metal powder is copper
One or more mixtures of the metal powders such as powder, stainless steel powder, nickel powder and its alloy.
A kind of 5. glass undercoating composite metal pipe according to claim 4, it is characterised in that：The metal powder is granularity
Super fine less than 2 μm, the ratio that metal powder accounts for slurry are 0 ~ 40%.
A kind of 6. glass undercoating composite metal pipe according to claim 1, it is characterised in that：The thickness of the glass coating
Spend for 0.2 ~ 1.5mm.
A kind of 7. glass undercoating composite metal pipe according to claim 1, it is characterised in that：The metal tube is stainless
Steel pipe, copper pipe, cast tube, nickel alloy pipe etc..
8. the preparation process of any one of the claim 1-7 glass undercoating composite metal pipes, it is characterised in that mainly include
Following steps：
(1) glass paste raw material is weighed, adds batch mixing ball milling after adhesive, and be configured to the preferable coating paste of suspension；
(2) using the centrifuge of drying device, by the slurry obtained by step (1) coated on metal pipe internal surface and certain
Dry solidification under temperature conditionss, one layer of certain thickness uniform green compact are formed in metal pipe internal surface；
(3) it is internally coated multiple to be obtained into smooth band glass in tunnel kiln drying, low-temperature sintering for the metal tube with green layer
Close metal tube.
9. the preparation process of glass undercoating composite metal pipe according to claim 8, it is characterised in that the glass dust is
ZnO-B2O3-P2O5During glass frit, sintering temperature is less than 700 DEG C；When the glass dust is cordierite glass powder, sintering temperature
Spend for 800 ~ 1000 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963400.1A CN108019569A (en) | 2016-11-04 | 2016-11-04 | A kind of glass undercoating composite metal pipe and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963400.1A CN108019569A (en) | 2016-11-04 | 2016-11-04 | A kind of glass undercoating composite metal pipe and its preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108019569A true CN108019569A (en) | 2018-05-11 |
Family
ID=62084338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610963400.1A Pending CN108019569A (en) | 2016-11-04 | 2016-11-04 | A kind of glass undercoating composite metal pipe and its preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019569A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824931A (en) * | 2019-01-23 | 2019-05-31 | 中山大学 | Method, composite membrane and its application that glassy layer prepares composite membrane are burnt on polymeric membrane |
| CN110592578A (en) * | 2019-09-05 | 2019-12-20 | 华庚新材料科技(嘉兴)有限公司 | Composite material |
| CN110699685A (en) * | 2019-09-05 | 2020-01-17 | 华庚新材料科技(嘉兴)有限公司 | Method for producing composite material |
| CN111748812A (en) * | 2019-03-26 | 2020-10-09 | 临沂华庚新材料科技有限公司 | Method for manufacturing composite steel pipe |
| TWI762108B (en) * | 2019-12-26 | 2022-04-21 | 日商日立金屬股份有限公司 | Metal lamination shaped runner member and its manufacturing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289862A (en) * | 2000-10-27 | 2001-04-04 | 北京盛康宁科技开发有限公司 | Process for prepared anticorrosion and antiwear composite steel pipe with liner of pyroceram |
| CN101274818A (en) * | 2008-05-08 | 2008-10-01 | 南京航空航天大学 | Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof |
| CN102034580A (en) * | 2010-11-02 | 2011-04-27 | 肇庆爱晟电子科技有限公司 | Surface-mounting high-precision large-power NTC (Negative Temperature Coefficient) thermistor and making method thereof |
| JP2013139343A (en) * | 2011-12-28 | 2013-07-18 | Ohara Inc | Composition for sealing, phosphor composite material, light emitting device, and methods for producing them |
| CN103822031A (en) * | 2013-05-03 | 2014-05-28 | 胜利油田金岛工程安装有限责任公司 | Glass-lined anti-corrosion steel pipe producing and welding processes |
| CN105693097A (en) * | 2015-03-26 | 2016-06-22 | 王双喜 | High-thermal-conduction low-temperature sealing glass powder |
| US20160194764A1 (en) * | 2013-07-19 | 2016-07-07 | Gordhanbhai Patel | Fast and economical methods andapparatusfor manufacturing glass lined metal objects by inductionheating |
-
2016
- 2016-11-04 CN CN201610963400.1A patent/CN108019569A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289862A (en) * | 2000-10-27 | 2001-04-04 | 北京盛康宁科技开发有限公司 | Process for prepared anticorrosion and antiwear composite steel pipe with liner of pyroceram |
| CN101274818A (en) * | 2008-05-08 | 2008-10-01 | 南京航空航天大学 | Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof |
| CN102034580A (en) * | 2010-11-02 | 2011-04-27 | 肇庆爱晟电子科技有限公司 | Surface-mounting high-precision large-power NTC (Negative Temperature Coefficient) thermistor and making method thereof |
| JP2013139343A (en) * | 2011-12-28 | 2013-07-18 | Ohara Inc | Composition for sealing, phosphor composite material, light emitting device, and methods for producing them |
| CN103822031A (en) * | 2013-05-03 | 2014-05-28 | 胜利油田金岛工程安装有限责任公司 | Glass-lined anti-corrosion steel pipe producing and welding processes |
| US20160194764A1 (en) * | 2013-07-19 | 2016-07-07 | Gordhanbhai Patel | Fast and economical methods andapparatusfor manufacturing glass lined metal objects by inductionheating |
| CN105693097A (en) * | 2015-03-26 | 2016-06-22 | 王双喜 | High-thermal-conduction low-temperature sealing glass powder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824931A (en) * | 2019-01-23 | 2019-05-31 | 中山大学 | Method, composite membrane and its application that glassy layer prepares composite membrane are burnt on polymeric membrane |
| CN111748812A (en) * | 2019-03-26 | 2020-10-09 | 临沂华庚新材料科技有限公司 | Method for manufacturing composite steel pipe |
| CN110592578A (en) * | 2019-09-05 | 2019-12-20 | 华庚新材料科技(嘉兴)有限公司 | Composite material |
| CN110699685A (en) * | 2019-09-05 | 2020-01-17 | 华庚新材料科技(嘉兴)有限公司 | Method for producing composite material |
| TWI762108B (en) * | 2019-12-26 | 2022-04-21 | 日商日立金屬股份有限公司 | Metal lamination shaped runner member and its manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108019569A (en) | A kind of glass undercoating composite metal pipe and its preparation process | |
| CN102367353B (en) | Low thermal conductivity composite thermal insulation paint and preparation method thereof | |
| WO2017050284A1 (en) | Preparation method for tin-based silver graphene lead-free composite solder | |
| WO2016119095A1 (en) | Novel composite copper-based alloy material for high speed railway and preparation method therefor | |
| CN103964884A (en) | Connection method for silicon carbide ceramics | |
| CN104975200B (en) | High-performance aluminum/carbon composite material and preparation method thereof | |
| CN106064242A (en) | A kind of SPS of employing prepares the method for SiC particle enhanced aluminum-based composite material | |
| CN103343266B (en) | High-thermal-conductivity graphite-high silicon aluminium-based composite material and preparation process for same | |
| CN102876094A (en) | Hard alloy sintered antisticking coating | |
| CN103602869A (en) | Process for preparing high-volume-fraction aluminum silicon carbide-based composite material by powder metallurgic method | |
| CN107739208A (en) | A kind of method prepared by express locomotive pantograph carbon slide material | |
| CN206405433U (en) | A kind of rotating centrifugal device for preparing metal dust | |
| CN103557377B (en) | The preparation method of ceramic-lined composite stainless steel pipe | |
| CN102335739B (en) | Compound silicon-free long nozzle and manufacturing method thereof | |
| CN110746805A (en) | Coating for lithium ion battery anode material sintering saggar and preparation method thereof | |
| CN106631171A (en) | Coating for liquid lifting pipe made of silicon nitride combined with silicon carbide and preparation method of coating | |
| CN111575629B (en) | Anti-corrosion composite layer, application and preparation method of anti-corrosion composite lining layer | |
| CN106916984A (en) | A kind of inertia multilevel hierarchy tungsten aluminium composite material and preparation method thereof | |
| CN101532775B (en) | Crucible with ZrO2 etching resistant coating and method for producing ZrO2 etching resistant coating using slip casting moulding technique | |
| CN105903918B (en) | A kind of silicon-carbon draining ageng and preparation method thereof | |
| CN115815520B (en) | Core paint for aluminum alloy freezing casting and preparation process thereof | |
| CN105837230B (en) | A kind of compound working lining of tundish and preparation method thereof and tundish | |
| CN104195498A (en) | Metal-based ceramic coating and preparation method thereof | |
| CN107058817B (en) | A kind of preparation method of high silicon Sip/Al alloy composite materials | |
| CN105618712B (en) | A kind of oxide ceramics enhancing steel-based composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |
|
| RJ01 | Rejection of invention patent application after publication |