CN108467983A - Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing - Google Patents
Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing Download PDFInfo
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- CN108467983A CN108467983A CN201810183969.5A CN201810183969A CN108467983A CN 108467983 A CN108467983 A CN 108467983A CN 201810183969 A CN201810183969 A CN 201810183969A CN 108467983 A CN108467983 A CN 108467983A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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Abstract
The present invention provides a kind of using submicron order TaC and Cr3C2Enhance Ti (C, N) base metal-ceramic materials and preparation method.Make material through ball mill mixing, drying, sieving by raw material, die forming, vacuum-sintering are prepared, the parts by weight of each ingredient are in the raw material：10 20 parts of 30 50 parts of TiC, TiCN, 5 15 parts of 2 10 parts of WC, MoC, 10 15 parts of 10 15 parts of Co, Ni；25 parts of TaC, Cr3C225 parts；Wherein TiCN, TaC, Cr3C2Use submicron particles.Utilize the present invention, main material TiCN particles are made to keep submicron order, so as to improve Ti (C, N) the toughness and bending strength of base metal-ceramic material, it is sintered simultaneously using above procedure heating, it is uneven that cermet material crystalline substance degree can be effectively improved, there are the internal flaws such as hole, can more improve toughness of material and bending strength.
Description
Technical field
The present invention relates to Ti (C, N) base metal-ceramic material technical field, more particularly to using submicron order TaC and
Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing.
Background technology
Since tungsten (W) is strategic resource in short supply, it is badly in need of the few tungsten of research and development or the cutter material without tungsten.
Since nineteen seventies occur, a kind of W content is few and Ti (C, N) base metal-ceramic material of excellent combination property
It is widely used in various fields such as cutting tool, wear part and mining tools.Ti (C, N) base metal-ceramic material has
There are high hardness and wearability, excellent chemical stability, red hardness and creep resisting ability, with intermetallic friction coefficient
It is low, it is a kind of comparatively ideal cutter material.The workpiece surface finish of Ti (C, N) base ceramet tool bit cutting is high, ruler
Very little precision is high, finishing or semifinishing particularly suitable for hard-cutting material.
But compared with currently used WC-Co hard alloy cutter, there are toughness for Ti (C, N) base metal-ceramic material
Difference, the weakness for the aspect such as bending strength is low, therefore, existing formula has yet to be improved and developed with technology.
Invention content
The present invention is to solve cermet material bending strength deficiency in the prior art, and fracture toughness is insufficient, and hardness is inadequate
Excellent problem provides a kind of using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials of enhancing and preparation side
Method.
It is a kind of to use submicron order TaC and Cr3C2Ti (C, N) base metal-ceramic material of enhancing, it calculates by weight, including
Following components：
Further, described TiCN, TaC, Cr3C2It is submicron particles.
It is a kind of to use submicron order TaC and Cr3C2The preparation method of Ti (C, N) base metal-ceramic material of enhancing, step is such as
Under：
(1) ball milling：Each component is weighed in proportion, is poured into agitating ball mill after mixing, and grinding agent is added and is stirred
Mix grinding；
(2) dry：Material paddle after ball milling is poured out, is transferred in bitubular vibration baking oven and is dried, it is cold after the completion of dry
But to greenhouse；
(3) it is granulated：Dry mixture after cooling is sieved by 80 mesh screens, forming agent is then added, stirs evenly,
Pellet is made；
(4) it suppresses：Pellet is added in mold, compression moulding；
(5) it is sintered：After compression moulding, it is put into vacuum sintering furnace and carries out procedural heating sintering, be made after the completion of sintering
Cermet material.
Preferably, the grinding agent in the step (1) is absolute ethyl alcohol, and additive amount is 200~300mL/Kg.
Preferably, abrading-ball is sintered carbide ball, and mill ball speed 175r/min, milling time is 72~96 hours.
Preferably, the drying temperature is 80-100 DEG C, and drying time is 10~12 hours.
Preferably, the forming agent is paraffin, additive amount 90-100mL/Kg.
Preferably, described program, which heats up, includes：Vacuum-sintering in-furnace temperature is first uniformly heating to 800 DEG C with 6 hours,
Then 1150 DEG C were uniformly heating to 1.5 hours, then 1300 DEG C was uniformly heating to 2 hours, 1 hour is kept the temperature, then again with 1
Hour is uniformly heating to 1400 DEG C, keeps the temperature 3 hours, then have a power failure natural cooling.
Preferably, the density of Ti (C, the N) base metal-ceramic material is 6.3-7.0g/cm3, bending strength 2000-
2500MPa, hardness (HRA) are 89.5-90.5.
The advantage of the invention is that：
(1) in terms of formula improvement, the present invention uses TiCN, TaC, Cr3C2Use submicron particles.Wherein, sub-micron
Grade TaC, Cr3C2 can effectively inhibit crystal growth during material manufacture, and main material TiCN particles is made to keep submicron order, from
And improve the toughness and bending strength of Ti (C, N) base metal-ceramic material.
(2) in terms of process modification, the present invention is sintered using above procedure heating, can be effectively improved cermet material
Expect that crystalline substance degree is uneven, there are the internal flaws such as hole, improves toughness of material and bending strength.
Specific implementation mode
Below in conjunction with specific embodiment come the present invention will be described in detail, herein with the present invention illustrative examples and say
It is bright to be used for explaining the present invention but not as a limitation of the invention.
Embodiment one
It is a kind of to use submicron order TaC and Cr3C2Ti (C, N) base metal-ceramic material of enhancing, is calculated by weight, including
Following components：
Described TiCN, TaC, Cr3C2It is submicron particles.
(1) ball milling：Upper table embodiment component is pressed respectively and weighs dispensing, is poured into agitating ball mill after mixing, addition is ground
Then grinding agent absolute ethyl alcohol, additive amount 200mL/Kg are stirred grinding, abrading-ball is sintered carbide ball, and mill ball speed is
175r/min, milling time are 96 hours；
(2) dry：Material paddle after ball milling is poured out, is transferred in bitubular vibration baking oven and is dried, it is cold after the completion of dry
But to room temperature.
The drying temperature is 80 DEG C, and drying time is 12 hours；
(3) it is granulated：Dry mixture after cooling is sieved by 80 mesh screens, forming agent paraffin, addition is then added
Amount is 100mL/Kg, is stirred evenly, and pellet is made；
(4) it suppresses：Pellet is added in mold, compression moulding.
(5) it is sintered：After compression moulding, it is put into vacuum sintering furnace and carries out procedural heating sintering, be made after the completion of sintering
Cermet material.
Procedural heating includes：Vacuum-sintering in-furnace temperature is first uniformly heating to 800 DEG C with 6 hours, it is then small with 1.5
When be uniformly heating to 1150 DEG C, then be uniformly heating to 1300 DEG C with 2 hours, keep the temperature 1 hour, then use uniformly heat up again within 1 hour
To 1400 DEG C, 3 hours are kept the temperature, then have a power failure natural cooling.
Embodiment two
It is a kind of to use submicron order TaC and Cr3C2Ti (C, N) base metal-ceramic material of enhancing, is calculated by weight, including
Following components：
Described TiCN, TaC, Cr3C2It is submicron particles.
(1) ball milling：Upper table embodiment component is pressed respectively and weighs dispensing, is poured into agitating ball mill after mixing, addition is ground
Then grinding agent absolute ethyl alcohol, additive amount 300mL/Kg are stirred grinding, abrading-ball is sintered carbide ball, and mill ball speed is
175r/min, milling time are 80 hours；
(2) dry：Material paddle after ball milling is poured out, is transferred in bitubular vibration baking oven and is dried, it is cold after the completion of dry
But to room temperature.
The drying temperature is 90 DEG C, and drying time is 10 hours；
(3) it is granulated：Dry mixture after cooling is sieved by 80 mesh screens, forming agent paraffin, addition is then added
Amount is 95mL/Kg, is stirred evenly, and pellet is made；
(4) it suppresses：Pellet is added in mold, compression moulding.
(5) it is sintered：After compression moulding, it is put into vacuum sintering furnace and carries out procedural heating sintering, be made after the completion of sintering
Cermet material, procedural heating sintering operation is with reference to embodiment one.
Embodiment three
It is a kind of to use submicron order TaC and Cr3C2Ti (C, N) base metal-ceramic material of enhancing, is calculated by weight, including
Following components：
Described TiCN, TaC, Cr3C2It is submicron particles.
(1) ball milling：Upper table embodiment component is pressed respectively and weighs dispensing, is poured into agitating ball mill after mixing, addition is ground
Then grinding agent absolute ethyl alcohol, additive amount 300mL/Kg are stirred grinding, abrading-ball is sintered carbide ball, and mill ball speed is
175r/min, milling time are 85 hours；
(2) dry：Material paddle after ball milling is poured out, is transferred in bitubular vibration baking oven and is dried, it is cold after the completion of dry
But to room temperature.
The drying temperature is 100 DEG C, and drying time is 10 hours；
(3) it is granulated：Dry mixture after cooling is sieved by 80 mesh screens, forming agent paraffin, addition is then added
Amount is 100mL/Kg, is stirred evenly, and pellet is made；
(4) it suppresses：Pellet is added in mold, compression moulding.
(5) it is sintered：After compression moulding, it is put into vacuum sintering furnace and carries out procedural heating sintering, be made after the completion of sintering
Cermet material, procedural heating sintering operation is with reference to embodiment one.
The density of Ti (C, N) base metal-ceramic material be 6.3-7.0g/cm3, bending strength 2000-2500MPa, firmly
It is 89.5-90.5 to spend (HRA).
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, embodiment according to the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (9)
1. a kind of using submicron order TaC and Cr3C2Ti (C, N) base metal-ceramic material of enhancing, which is characterized in that by weight
Part is calculated, including following components：
2. a kind of using submicron order TaC and Cr according to claim 13C2Ti (C, N) base metal-ceramic material of enhancing,
It is characterized in that, described TiCN, TaC, Cr3C2It is submicron particles.
3. a kind of using submicron order TaC and Cr according to claim 13C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that steps are as follows：
(1) ball milling：Each component is weighed in proportion, is poured into agitating ball mill after mixing, and addition grinding agent, which is stirred, to be ground
Mill；
(2) dry：Material paddle after ball milling is poured out, is transferred in bitubular vibration baking oven and is dried, be cooled to after the completion of dry
Room temperature；
(3) it is granulated：Dry mixture after cooling is sieved by 80 mesh screens, forming agent is then added, stirs evenly, is made
Pellet；
(4) it suppresses：Pellet is added in mold, compression moulding；
(5) it is sintered：After compression moulding, it is put into vacuum sintering furnace and carries out procedural heating sintering, metal is made after the completion of sintering
Ceramic material.
4. a kind of using submicron order TaC and Cr according to claim 33C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that
Grinding agent in the step (1) is absolute ethyl alcohol, and additive amount is 200~300mL/Kg.
5. a kind of using submicron order TaC and Cr according to claim 33C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that
Abrading-ball is sintered carbide ball, and mill ball speed 175r/min, milling time is 72~96 hours.
6. a kind of using submicron order TaC and Cr according to claim 33C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that steps are as follows：
The drying temperature is 80-100 DEG C, and drying time is 10~12 hours.
7. a kind of using submicron order TaC and Cr according to claim 33C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that steps are as follows：
The forming agent is paraffin, additive amount 90-100mL/Kg.
8. a kind of using submicron order TaC and Cr according to claim 33C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that steps are as follows：
Described program heats up：Vacuum-sintering in-furnace temperature is first uniformly heating to 800 DEG C with 6 hours, it is then small with 1.5
When be uniformly heating to 1150 DEG C, then be uniformly heating to 1300 DEG C with 2 hours, keep the temperature 1 hour, then use uniformly heat up again within 1 hour
To 1400 DEG C, 3 hours are kept the temperature, then have a power failure natural cooling.
9. a kind of using submicron order TaC and Cr according to claim 83C2Ti (C, N) base metal-ceramic material of enhancing
Preparation method, which is characterized in that
The density of Ti (C, the N) base metal-ceramic material is 6.3-7.0g/cm3, bending strength 2000-2500MPa, hardness
(HRA) it is 89.5-90.5.
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| CN201810183969.5A CN108467983A (en) | 2018-03-07 | 2018-03-07 | Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing |
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| CN201810183969.5A CN108467983A (en) | 2018-03-07 | 2018-03-07 | Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing |
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| CN102433482A (en) * | 2010-09-29 | 2012-05-02 | 成都邦普合金材料有限公司 | Wood cutting tool material of Ti(CN) cermet and preparation method thereof |
| CN102337442A (en) * | 2011-09-26 | 2012-02-01 | 四川大学 | Metal ceramic seal ring material and preparation method thereof |
| CN102642021A (en) * | 2012-03-09 | 2012-08-22 | 成都邦普合金材料有限公司 | Material formula and preparation method of Ti(CN) metal ceramic added with rare earth |
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Application publication date: 20180831 |