CN113977469A - Preparation method of ceramic skeleton reinforced metal matrix composite binder - Google Patents
Preparation method of ceramic skeleton reinforced metal matrix composite binder Download PDFInfo
- Publication number
- CN113977469A CN113977469A CN202111384191.2A CN202111384191A CN113977469A CN 113977469 A CN113977469 A CN 113977469A CN 202111384191 A CN202111384191 A CN 202111384191A CN 113977469 A CN113977469 A CN 113977469A
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- CN
- China
- Prior art keywords
- ceramic
- bonding agent
- ceramic skeleton
- matrix composite
- metal matrix
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- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 239000011230 binding agent Substances 0.000 title claims abstract description 15
- 239000011156 metal matrix composite Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000005245 sintering Methods 0.000 claims abstract description 19
- 239000007767 bonding agent Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000007731 hot pressing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000004663 powder metallurgy Methods 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a preparation method of a ceramic framework reinforced metal matrix composite binder, which is characterized in that a framework structure with a ceramic phase forming a continuous phase is compounded with metal powder to prepare the composite binder by adopting a vacuum hot pressing sintering process. Compared with the traditional metal ceramic composite bonding agent formed by metal powder and ceramic powder metallurgy, the composite bonding agent obtained by the invention has the advantages of good toughness, strong bearing and dispersing load capacity of the metal bonding agent, higher elastic modulus and lower fracture toughness of the ceramic bonding agent, and can be used as a new generation of superhard grinding wheel bonding agent.
Description
Technical Field
The invention relates to the field of metal ceramic composite bonding agents, in particular to a preparation method for compounding a framework structure with a ceramic phase forming a continuous phase and metal powder, which is mainly applied to the fields of grinding, polishing and the like.
Background
Diamond and cubic boron nitride have very high hardness and are generally used as abrasives for processing hard materials such as concrete, cemented carbide, natural stone, and the like. The diamond grinding tool is formed by compounding diamond grinding materials or cubic boron nitride grinding materials with resin, metal, ceramic and other bonding agents, is widely applied to the fields of building materials, oil drilling, geological exploration and the like, and obtains great economic and social benefits.
The ceramic grinding tool has higher elastic modulus and lower fracture toughness, the bonding strength of the ceramic grinding tool and the grinding material is superior to that of a resin grinding tool, the self-sharpening performance of the ceramic grinding tool is stronger than that of a metal grinding tool, and the ceramic grinding tool is widely applied to the field of processing hard phase materials such as polycrystalline diamond composite sheets, glass, ceramics and the like and is a hotspot researched by expert and scholars. However, the ceramic bond superhard grinding tool has unsatisfactory fracture strength, fracture toughness, thermal conductivity and interface bonding with the grinding material, and the development of the ceramic bond superhard grinding tool in the field of high-speed and high-precision grinding is severely limited.
The metal bond superhard grinding tool has good bonding condition between the bonding agent and the abrasive particles, good toughness and strong bearing and dispersing load capacity, is widely applied to the fields of forming grinding, precision and ultra-precision grinding of hard and brittle materials, and is also the research focus of experts and scholars. However, the metal bond superabrasive tool is very likely to have poor self-sharpening, difficult dressing, easy workpiece burning and the like during grinding.
Disclosure of Invention
The purpose of the invention is: provides a preparation method of a ceramic skeleton reinforced metal matrix composite binder.
The invention relates to a preparation method of a ceramic skeleton reinforced metal matrix composite binding agent, which specifically comprises the following steps:
step 1: putting the ceramic skeleton sintered body with certain porosity into a graphite mold, and filling copper-tin alloy powder into the mold;
step 2: placing the graphite grinding tool containing the ceramic skeleton sintered body and the alloy powder obtained in the step 1 in a vacuum hot-pressing sintering machine for hot-pressing sintering to prepare the ceramic skeleton reinforced metal matrix composite binder;
in the step 1, the porosity of the ceramic skeleton is 10-50 ppi;
in step 1, the material type of the ceramic skeleton sintered body includes, but is not limited to, Al2O3、MgO、ZrO2Etc.;
in the step 1, the mixture ratio of the copper-tin alloy powder is Cu15Sn85-Cu85Sn 15.
In the step 2, the sintering temperature is 600-780 ℃, the pressure is 25-30 MPa, and the heat preservation time is 10-14 min in the vacuum hot-pressing sintering temperature process.
Compared with the prior art, the invention has the beneficial effects that:
1. the ceramic skeleton sintered body adopted by the invention is a commercial product with a mature manufacturing process, is easy to obtain, and has the advantages of simple process flow of the whole sintering process of the bonding agent, strong operability and batch production.
2. Compared with the traditional metal ceramic composite bonding agent formed by metal powder and ceramic powder metallurgy, the ceramic framework reinforced metal matrix composite bonding agent prepared by the invention has the advantages that the two materials are uniformly distributed in a three-dimensional space, the load transmission and dispersion are facilitated in the grinding process, hard protrusions are formed on the wear surface, and the main load is borne, so that the plastic deformation and high-temperature softening of the matrix alloy are inhibited.
3. The ceramic skeleton reinforced metal matrix composite bonding agent prepared by the invention can effectively reduce the contact between a matching part and a matrix alloy, reduce the adhesive wear, and is beneficial to the retention of an oxide film on a wear surface, the ceramic skeleton can not be broken when in light and medium grinding, and the three-body abrasive wear caused by ceramic particles entering the wear surface is avoided.
Detailed Description
The present invention is further illustrated by the following examples, but the embodiments of the present invention are not limited thereto.
The sintered ceramic skeleton bodies and the copper-tin alloy powders in the following examples are all commercially available products.
Example 1:
step 1: mixing 10ppi of Al2O3The skeleton sintered body is put into a graphite die, and Cu15Sn85 alloy powder is filled in the die;
step 2: the Al-containing compound obtained in the step 12O3And placing the framework sintered body and the graphite grinding tool of the alloy powder in a vacuum hot-pressing sintering machine to perform hot-pressing sintering under the conditions of sintering temperature of 600 ℃, pressure of 25MPa and heat preservation time of 10min to obtain the ceramic framework reinforced metal-based composite binding agent.
After passing inspectionThe flexural strength of the binding agent is 116.32MPa, and the impact strength is 13.01kJ/m2。
Example 2:
step 1: putting 30ppi MgO skeleton sintered body into a graphite mold, and filling Cu50Sn50 alloy powder into the mold;
step 2: and (3) placing the graphite grinding tool containing the MgO framework sintered body and the alloy powder obtained in the step (1) into a vacuum hot-pressing sintering machine, and carrying out hot-pressing sintering under the conditions of sintering temperature of 700 ℃, pressure of 28MPa and heat preservation time of 12min to obtain the ceramic framework reinforced metal matrix composite binder.
Through detection, the rupture strength of the binding agent is 115.3MPa, and the impact strength is 13.45kJ/m2。
Example 3:
step 1: 50ppi of ZrO2The skeleton sintered body is put into a graphite die, and Cu85Sn15 alloy powder is filled in the die;
step 2: the ZrO-containing powder obtained in the step 12And placing the framework sintered body and the graphite grinding tool of the alloy powder in a vacuum hot-pressing sintering machine to perform hot-pressing sintering under the conditions of the sintering temperature of 780 ℃, the pressure of 30MPa and the heat preservation time of 14min to obtain the ceramic framework reinforced metal-based composite binding agent.
Through detection, the breaking strength of the binding agent is 117.7MPa, and the impact strength is 14.67kJ/m2。
The invention aims to obtain a composite bonding agent which has the advantages of good toughness of a metal bonding agent, strong bearing and dispersing load capacity, higher elastic modulus of a ceramic bonding agent and lower fracture toughness. Therefore, in the preparation process of the bonding agent, the ceramic skeleton sintered body is used for replacing the traditional ceramic powder.
Claims (4)
1. A preparation method of a ceramic skeleton reinforced metal matrix composite binder is characterized by comprising the following steps:
the ceramic framework reinforced metal matrix composite bonding agent is prepared by compounding a framework structure of a continuous phase formed by a ceramic phase and metal powder.
2. The method of claim 1, comprising the steps of:
step 1: putting the ceramic skeleton sintered body with certain porosity into a graphite mold, and filling copper-tin alloy powder into the mold;
step 2: and (3) placing the graphite grinding tool containing the ceramic skeleton sintered body and the alloy powder obtained in the step (1) into a vacuum hot-pressing sintering machine for hot-pressing sintering to prepare the ceramic skeleton reinforced metal matrix composite binding agent.
3. The method of claim 2, wherein:
in the step 1, the porosity of the ceramic skeleton is 10-50 ppi, and the material type of the ceramic skeleton sintered body comprises but is not limited to Cu 2O3, MgO, ZrO2 and other copper-tin alloy powders, and the mixture ratio is Cu15Sn85-Cu85Sn 15.
4. The method of claim 2, wherein:
in the step 2, the sintering temperature is 600-780 ℃, the pressure is 25-30 MPa, and the heat preservation time is 10-14 min in the vacuum hot pressing sintering temperature process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384191.2A CN113977469A (en) | 2021-11-19 | 2021-11-19 | Preparation method of ceramic skeleton reinforced metal matrix composite binder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384191.2A CN113977469A (en) | 2021-11-19 | 2021-11-19 | Preparation method of ceramic skeleton reinforced metal matrix composite binder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113977469A true CN113977469A (en) | 2022-01-28 |
Family
ID=79749695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111384191.2A Withdrawn CN113977469A (en) | 2021-11-19 | 2021-11-19 | Preparation method of ceramic skeleton reinforced metal matrix composite binder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113977469A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000144201A (en) * | 1998-10-30 | 2000-05-26 | Hmy Ltd | Cermet powder for injection molding and production of cermet sintered body |
| CN101125760A (en) * | 2007-07-19 | 2008-02-20 | 上海鑫轮超硬磨具有限公司 | Ceramic metal composite bonding agent used for cube boron nitride grinding wheel |
| CN102152248A (en) * | 2011-01-17 | 2011-08-17 | 湖南大学 | Diamond grinding tool of ceramic-metallic bond and preparation method of grinding tool |
| CN104308757A (en) * | 2014-10-10 | 2015-01-28 | 马鞍山市金鹰超硬材料有限公司 | Superhard material metal bond framework type high-speed heavy load grinding wheel |
| CN106553136A (en) * | 2015-09-28 | 2017-04-05 | 河南工业大学 | Infiltration method prepares metal anchoring agent diamond wheel |
| CN106944937A (en) * | 2017-03-17 | 2017-07-14 | 衢州学院 | A kind of preparation method of the diamond abrasive tool pellet of use porous ceramic skeleton resin reinforcing |
| CN107953278A (en) * | 2017-12-25 | 2018-04-24 | 成都惠锋新材料科技股份有限公司 | A kind of grinding tool production method |
-
2021
- 2021-11-19 CN CN202111384191.2A patent/CN113977469A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000144201A (en) * | 1998-10-30 | 2000-05-26 | Hmy Ltd | Cermet powder for injection molding and production of cermet sintered body |
| CN101125760A (en) * | 2007-07-19 | 2008-02-20 | 上海鑫轮超硬磨具有限公司 | Ceramic metal composite bonding agent used for cube boron nitride grinding wheel |
| CN102152248A (en) * | 2011-01-17 | 2011-08-17 | 湖南大学 | Diamond grinding tool of ceramic-metallic bond and preparation method of grinding tool |
| CN104308757A (en) * | 2014-10-10 | 2015-01-28 | 马鞍山市金鹰超硬材料有限公司 | Superhard material metal bond framework type high-speed heavy load grinding wheel |
| CN106553136A (en) * | 2015-09-28 | 2017-04-05 | 河南工业大学 | Infiltration method prepares metal anchoring agent diamond wheel |
| CN106944937A (en) * | 2017-03-17 | 2017-07-14 | 衢州学院 | A kind of preparation method of the diamond abrasive tool pellet of use porous ceramic skeleton resin reinforcing |
| CN107953278A (en) * | 2017-12-25 | 2018-04-24 | 成都惠锋新材料科技股份有限公司 | A kind of grinding tool production method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20220128 |