CN106566321A - Multifunctional coating for high-temperature sintering of hard alloy and metal ceramic - Google Patents
Multifunctional coating for high-temperature sintering of hard alloy and metal ceramic Download PDFInfo
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- CN106566321A CN106566321A CN201610987127.6A CN201610987127A CN106566321A CN 106566321 A CN106566321 A CN 106566321A CN 201610987127 A CN201610987127 A CN 201610987127A CN 106566321 A CN106566321 A CN 106566321A
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- temperature sintering
- metal ceramic
- ceramic material
- high temperature
- coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
- C09D101/284—Alkyl ethers with hydroxylated hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a multifunctional coating for high-temperature sintering of hard alloy and metal ceramic. The multifunctional coating comprises solid powder and glue liquor. The multifunctional coating is characterized in that the mass ratio of the solid powder to the glue liquor is 1: (1-1.8), materials are taken and uniformly mixed through a tilting-type ball-milling mill, and ball-milling time is 4-8 hours. The coating can be firmly attached to a graphite boat or a graphite plate after being brushed or sprayed on the graphite boat or the graphite plate, people do not need to worry about the situation that powder falls or the coating is prone to falling, use stability can be effectively guaranteed, and the coating is good in use stability and high in applicability.
Description
Technical field
The invention belongs to hard alloy and production technical field containing ceramic metal, and in particular to a kind of multifunction horniness is closed
Gold, metal ceramic material as high temperature sintering coating.
Background technology
State of Shi Wu sparetime universities of China, hard alloy yield reaches 40% of yield in the world.In hard alloy manufacture process,
Need a kind of dope layer being coated on the graphite (plate) for holding alloy pressed compact.It should put after formed product toward on boat (plate)
When do not fall ash or come off, to avoid polluted product and forming area working environment.It should be ensured that product sintering be smoothed out and
Ensure good sintered alloy quality.But, the effect of the sintering coating that domestic market is sold simply disposably prevents sintering
When product and graphite boat (plate) adhesion.It is each that these coating not only reasonable can not be met when manufacturing high-quality hard alloy
Plant and require, and cause because the composition being harmful to operator containing some in its composition or pollute to agglomerating plant generation is counter
Some negative effects, so the suitability and practicality be restricted.
The content of the invention
It is an object of the invention to provide a kind of suitability and practical multifunction horniness alloy, metal ceramic material as high temperature are burnt
Knot coating.
The technical scheme for realizing the object of the invention is a kind of multifunction horniness alloy, metal ceramic material as high temperature sintering coating,
Including pressed powder and glue, the pressed powder for 1: 1-1.8 feeding and passes through tilting-type ball mill in mass ratio with glue
Mix homogeneously, and Ball-milling Time is 4-8 hours.
The pressed powder includes coarse granule carbon black, fine grained carbon black and high purity graphite powder.
The glue include cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and
Water.
The pressed powder also includes oxide.
The cellulose includes hydroxypropyl methyl cellulose and/or hydroxyethyl cellulose.
The coarse granule carbon black, fine grained carbon black, high purity graphite powder and oxide are 10-20%, 10- by quality component ratio
20%, 10-20% and 40-70% are mixed.
The cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and water press quality
Percentage ratio is 0.5-3%, and 0.2-1%, 2-6%, 2-6%, 0.1-0.3%, 82.7-95.2% mix homogeneously is formed.
The percentage ratio that hydroxypropyl methyl cellulose accounts for respectively glue gross mass with hydroxyethyl cellulose in the cellulose is
0.5-2%, 0-1%.
The glue also includes ethanol, and the mass percent of the ethanol is 0-10%.
The granularity of coarse granule carbon black is 1 micron, and the granularity of fine grained carbon black is 1 nanometer, and the granularity of high purity graphite powder is 20
Micron, the oxide includes aluminium oxide and zirconium oxide and the aluminium oxide and zirconic mass percent are 60%, 40%.
The present invention has positive effect：After the coating of the present invention brushes (or spraying) on the graphite boat or plate, can be firmly
Ground attachment thereon, is not required to worry dry linting or is easy to come off, and can effectively ensure stability in use, and pressed compact can effectively be prevented when sintering
Only there is " bonding " problem in alloy product with sintering boat surface；Alloy product can be reduced by paint ingredient adjustment to be particularly
The flexural deformation of plate, rod-shaped objects；Can be adjusted by paint ingredient, change the magnetic performance of alloy, so as to cause alloy product
Density, hardness, the performance such as intensity changes；Can be adjusted by paint ingredient, be that graphite boat plate surface coating is realized once
Property use or continuous several times use, reach saving of labor, save time, reduce hard alloy manufacturing cost effect；Stability in use it is good and
Strong applicability.
Specific embodiment
A kind of multifunction horniness alloy, metal ceramic material as high temperature sintering coating, including pressed powder and glue, the solid
Powder is mixed homogeneously in mass ratio with glue for 1: 1-1.8 feeding and by tilting-type ball mill, and Ball-milling Time is that 4-8 is little
When.In the present embodiment, ratio of grinding media to material：2: 1 (using φ polished balls below 10 of hard alloy manufacture).
The pressed powder includes coarse granule carbon black, fine grained carbon black and high purity graphite powder.The pressed powder composition of coating
In, three kinds of carbon materialses, no matter under which kind of use requirement being all the basis that must be provided simultaneously with.
The glue include cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and
Water.It is another key content in this formulation for coating material that cellulose and Polyethylene Glycol are shared.It is to ensure that carbon materials --- oxidation
Thing coating has the essential condition of good adhesion ability with graphite boat (plate), is made into coating with such glue and may insure boat
(plate) is not peeled off when pressed compact is filled during the transport (parking) before sintering, does not fall ash.
The pressed powder also includes oxide.
The cellulose includes hydroxypropyl methyl cellulose and/or hydroxyethyl cellulose.
The coarse granule carbon black, fine grained carbon black, high purity graphite powder and oxide are 10-20%, 10- by quality component ratio
20%, 10-20% and 40-70% are mixed.
The cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and water press quality
Percentage ratio is 0.5-3%, and 0.2-1%, 2-6%, 2-6%, 0.1-0.3%, 82.7-95.2% mix homogeneously is formed.
The percentage ratio that hydroxypropyl methyl cellulose accounts for respectively glue gross mass with hydroxyethyl cellulose in the cellulose is
0.5-2%, 0-1%.
The glue also includes ethanol, and the mass percent of the ethanol is 0-10%.
The granularity of coarse granule carbon black is 1 micron, and the granularity of fine grained carbon black is 1 nanometer, and the granularity of high purity graphite powder is 20
Micron, the oxide includes aluminium oxide and zirconium oxide and the aluminium oxide and zirconic mass percent are 60%, 40%.
In the present invention, for the ease of the continuous Reusability of dope layer, also separately match somebody with somebody a kind of complementary spray paint, it is anti-to guarantee
The effect for using again, its fundamental component is
| Fine grained carbon black (%) | High purity graphite powder (%) | Glue (%) |
| 5～15 | 5～15 | 70～90 |
After the coating of the present invention brushes (or spraying) on the graphite boat or plate, can be firmly attached thereon, be not required to worry and fall
Powder is easy to come off, and can effectively ensure stability in use, and pressed compact can be effectively prevented alloy product with sintering boat when sintering
There is " bonding " problem in surface；Can be adjusted by paint ingredient and reduce the flexural deformation that alloy product is particularly plate, rod-shaped objects；
Can be adjusted by paint ingredient, change the magnetic performance of alloy, so as to cause the performances such as the density of alloy product, hardness, intensity
Change；Can be adjusted by paint ingredient, be that graphite boat plate surface coating realizes that single use or continuous several times are used, be reached
To saving of labor, save time, reduce the effect of hard alloy manufacturing cost；Stability in use is good and strong applicability.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And these
The obvious change or variation that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (10)
1. a kind of multifunction horniness alloy, metal ceramic material as high temperature sintering coating, including pressed powder and glue, its feature exists
In：The pressed powder is mixed homogeneously in mass ratio with glue for 1: 1-1.8 feeding and by tilting-type ball mill, and during ball milling
Between be 4-8 hours.
2. multifunction horniness alloy according to claim 1, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
Pressed powder is stated including coarse granule carbon black, fine grained carbon black and high purity graphite powder.
3. multifunction horniness alloy according to claim 2, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
Glue is stated including cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and water.
4. multifunction horniness alloy according to claim 3, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
Stating pressed powder also includes oxide.
5. multifunction horniness alloy according to claim 3 or claim 4, metal ceramic material as high temperature sintering coating, its
It is characterised by：The cellulose includes hydroxypropyl methyl cellulose and/or hydroxyethyl cellulose.
6. multifunction horniness alloy according to claim 5, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
It is 10-20%, 10-20%, 10- that coarse granule carbon black, fine grained carbon black, high purity graphite powder and oxide are stated by quality component ratio
20% and 40-70% mixes.
7. multifunction horniness alloy according to claim 4, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
Stating cellulose, Polyethylene Glycol, hexamethylenamine, tween, polyoxypropylene polyoxyethylene glycerol ether and water is by mass percentage
0.5-3%, 0.2-1%, 2-6%, 2-6%, 0.1-0.3%, 82.7-95.2% mix homogeneously is formed.
8. multifunction horniness alloy according to claim 7, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
It is 0.5-2%, 0- to state the percentage ratio that hydroxypropyl methyl cellulose accounts for respectively glue gross mass with hydroxyethyl cellulose in cellulose
1%.
9. multifunction horniness alloy according to claim 8, metal ceramic material as high temperature sintering coating, it is characterised in that：Institute
Stating glue also includes ethanol, and the mass percent of the ethanol is 0-10%.
10. multifunction horniness alloy according to claim 9, metal ceramic material as high temperature sintering coating, it is characterised in that：Slightly
The granularity of granule carbon black is 1 micron, and the granularity of fine grained carbon black is 1 nanometer, and the granularity of high purity graphite powder is 20 microns, the oxygen
Compound includes aluminium oxide and zirconium oxide and the aluminium oxide and zirconic mass percent are 60%, 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987127.6A CN106566321A (en) | 2016-10-31 | 2016-10-31 | Multifunctional coating for high-temperature sintering of hard alloy and metal ceramic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987127.6A CN106566321A (en) | 2016-10-31 | 2016-10-31 | Multifunctional coating for high-temperature sintering of hard alloy and metal ceramic |
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| CN106566321A true CN106566321A (en) | 2017-04-19 |
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| CN201610987127.6A Pending CN106566321A (en) | 2016-10-31 | 2016-10-31 | Multifunctional coating for high-temperature sintering of hard alloy and metal ceramic |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987158A (en) * | 2017-05-08 | 2017-07-28 | 株洲力洲硬质合金有限公司 | A kind of spraying barrier coating sintered for high-cobalt hart metal product |
| CN108456439A (en) * | 2018-01-08 | 2018-08-28 | 三峡大学 | A kind of sintering coating of the low Binder Phase cermet of environment-friendly type |
| CN108530956A (en) * | 2018-05-07 | 2018-09-14 | 株洲金韦硬质合金有限公司 | A kind of organic the sintering cemented carbide release coating and its preparation, application method Nian Jie with inorganic composite type bonding agent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928478A (en) * | 2009-06-18 | 2010-12-29 | 自贡硬质合金有限责任公司 | Coating for high bonding phase cemented carbide sintering |
| CN102554223A (en) * | 2011-11-28 | 2012-07-11 | 株洲硬质合金集团有限公司 | Coating for sintering hard alloy product |
| CN102876094A (en) * | 2012-10-19 | 2013-01-16 | 广西梧州港德硬质合金制造有限公司 | Hard alloy sintered antisticking coating |
| CN102977649A (en) * | 2012-11-28 | 2013-03-20 | 浙江恒成硬质合金有限公司 | Hard alloy sintering isolation material |
| CN105419408A (en) * | 2015-07-24 | 2016-03-23 | 洛阳新巨能高热技术有限公司 | Hard alloy substrate sintering anti-adhesion coating |
-
2016
- 2016-10-31 CN CN201610987127.6A patent/CN106566321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928478A (en) * | 2009-06-18 | 2010-12-29 | 自贡硬质合金有限责任公司 | Coating for high bonding phase cemented carbide sintering |
| CN102554223A (en) * | 2011-11-28 | 2012-07-11 | 株洲硬质合金集团有限公司 | Coating for sintering hard alloy product |
| CN102876094A (en) * | 2012-10-19 | 2013-01-16 | 广西梧州港德硬质合金制造有限公司 | Hard alloy sintered antisticking coating |
| CN102977649A (en) * | 2012-11-28 | 2013-03-20 | 浙江恒成硬质合金有限公司 | Hard alloy sintering isolation material |
| CN105419408A (en) * | 2015-07-24 | 2016-03-23 | 洛阳新巨能高热技术有限公司 | Hard alloy substrate sintering anti-adhesion coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987158A (en) * | 2017-05-08 | 2017-07-28 | 株洲力洲硬质合金有限公司 | A kind of spraying barrier coating sintered for high-cobalt hart metal product |
| CN108456439A (en) * | 2018-01-08 | 2018-08-28 | 三峡大学 | A kind of sintering coating of the low Binder Phase cermet of environment-friendly type |
| CN108530956A (en) * | 2018-05-07 | 2018-09-14 | 株洲金韦硬质合金有限公司 | A kind of organic the sintering cemented carbide release coating and its preparation, application method Nian Jie with inorganic composite type bonding agent |
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