CN109513935A - A kind of titanium-base alloy cutter material and preparation method thereof - Google Patents
A kind of titanium-base alloy cutter material and preparation method thereof Download PDFInfo
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- CN109513935A CN109513935A CN201811380137.9A CN201811380137A CN109513935A CN 109513935 A CN109513935 A CN 109513935A CN 201811380137 A CN201811380137 A CN 201811380137A CN 109513935 A CN109513935 A CN 109513935A
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- titanium
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- base alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- C22C29/06—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 based on carbides, but not containing other metal compounds
- C22C29/067—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 based on carbides, but not containing other metal compounds comprising a particular metallic binder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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Abstract
The invention discloses a kind of titanium-base alloy cutter materials and preparation method thereof, by load weighted Mo2C, Ni, Fe, TiC and WC are added in ball grinder, while ball-milling medium is poured into ball grinder, and wet ball grinding mixing is carried out under the action of ball-milling medium, successively dry after material ball milling mixing to be mixed, sieving, forming agent is added in mixture after sieving, raw embryo is pressed into using hydraulic press, by raw embryo vacuum-sintering.The present invention replaces W, Fe to replace Co, effectively reduce cost, saved strategic materials by the part Ti.Also, by Mo in the present invention2C and Ni efficient combination, improve the intensity and wearability of material, and the service life of material greatly prolongs, the hardness and strength of material have all reached requirement.
Description
Technical field
The present invention relates to sintered carbide tool material technical fields, and in particular to a kind of titanium-base alloy cutter material and its system
Preparation Method.
Background technique
With aerospace industry, weapon industry, electronics industry and modern mechanical industrial expansion, to product component material
More stringent requirements are proposed for the performance of material.Thus occur many difficult-to-machine materials in modern project material, such as: superhigh intensity
Steel, high temperature alloy, titanium alloy, chilled cast iron etc..Machining is carried out to these materials, difficulty is larger, because these materials
Hardness is high, intensity is high, plasticity it is low with brittleness is high, thermal conductivity is low, has microcosmic Hard Inclusion or hard field trash and chemical property mistake
In active.On the other hand, the pursuit due to manufacturing technology to precision, efficiency and environmental protection etc., make high-speed cutting, hard machining,
Dry cutting obtains fast development in recent years, to also propose increasingly higher demands to cutting tool.Titanium-base alloy cutter
With performances such as good high temperature red hardness, wearability, thermal stability, inoxidizability, make it as cutter material in high-end dress
There is indispensable role in the essence of standby manufacturing field, semifinishing.
Currently, the Binder Phase of titanium-based alloy material is mainly the Binder Phase of Co/Ni base, since China's Co resource is more poor
It is weary, and Co, as a kind of strategic materials, the market price persistently raises up in recent years.There is an urgent need to a kind of novel Binder Phases to come for enterprise
The partly or entirely Binder Phase of substitution Co/Ni base, to reduce the cost of production.It is nontoxic since Fe is resourceful, and can be with
By heat treatment reinforcement, therefore, Fe base Binder Phase is an important directions of titanium-based alloy material future development.However, Fe base
Binder Phase still has more problem and needs to be broken through, such as low strength, lower hardness, following process difficulty, and cutting is not achieved
The performance requirement of cutter.
Summary of the invention
The problems such as low strength, lower hardness, difficult following process present in existing Fe base Binder Phase is solved, this hair
It is bright that a kind of titanium-base alloy cutter material and preparation method thereof is provided.
The purpose of the present invention will be achieved through the following technical solutions: a kind of titanium-base alloy cutter material, including Mo2C, Ni,
Fe, TiC and WC pass through Mo2Vacuum-sintering forms after C, Ni, Fe, TiC and WC mixing.
Preferably, a kind of titanium-base alloy cutter material, based on mass fraction, the Mo2C is that 5~15%, Ni is
It is 42~52%, WC is 7~17% that 15~25%, Fe, which are 6~16%, TiC,.
Preferably, a kind of titanium-base alloy cutter material, based on mass fraction, the Mo2C is that 10%, Ni is
20%, Fe 11%, TiC 47%, WC 12%.
A kind of preparation method of titanium-base alloy cutter material, by load weighted Mo2C, Ni, Fe, TiC and WC are added to ball milling
In tank, while ball-milling medium is poured into ball grinder, wet ball grinding mixing, pellet to be mixed are carried out under the action of ball-milling medium
Mill is successively dry after mixing, is sieved, and forming agent is added in the mixture after sieving, is pressed into raw embryo using hydraulic press, will
Raw embryo vacuum-sintering.
Preferably, the preparation method of a kind of titanium-base alloy cutter material, the ratio of grinding media to material of the ball milling are 5:1, ball
Ball-milling medium when mill is dehydrated alcohol, ball milling 24 hours after dehydrated alcohol addition.
Preferably, the preparation method of a kind of titanium-base alloy cutter material, after the completion of the ball milling mixing, using steaming
The mixture after ball milling mixing is dried in vapour, and drying temperature is 120 DEG C, and drying time is 6 hours.
Preferably, the preparation method of a kind of titanium-base alloy cutter material, the forming agent be polyethylene glycol, every thousand
Gram mixture in be added 90mL polyethylene glycol.
Preferably, a kind of preparation method of titanium-base alloy cutter material, the pressure of the hydraulic press are
Mixture is pressed into green compact under the pressure effect of 80KN by 80KN, hydraulic press.
Preferably, a kind of preparation method of titanium-base alloy cutter material, the green compact are put into vacuum sintering furnace
Carry out vacuum-sintering, vacuum sintering furnace by room temperature temperature programming to 1430 DEG C, keep the temperature 60min after, with furnace cooled to room temperature
?.
Preferably, the preparation method of a kind of titanium-base alloy cutter material, the temperature program of the vacuum sintering furnace
Are as follows: 30min is warming up to 380 DEG C from room temperature and keeps the temperature 60min, then 30min is warming up to 550 DEG C and keeps the temperature 60min, then 60min
It is warming up to 800 DEG C and keeps the temperature 30min, then 60min is warming up to 1150 DEG C and keeps the temperature 60min, then 60min is warming up to 1300 DEG C simultaneously
60min is kept the temperature, last 60min is warming up to 1430 DEG C and keeps the temperature 60min.
The beneficial effects of the present invention are: the present invention replaces W, Fe to replace Co, effectively reduce cost by the part Ti, save
Strategic materials.Also, by Mo in the present invention2C and Ni efficient combination, improve the intensity and wearability of material, and material
Service life greatly prolong, the hardness and strength of material have all reached requirement.
Specific embodiment
For a better understanding of the invention, further specific elaboration is made to the present invention below by following embodiment, but not
It can be regarded as limitation of the invention, it is some nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as and be within the scope of the present invention.
Embodiment 1
A kind of preparation method of titanium-base alloy cutter material, is prepared using following raw material:
Mo2C powder: purity > 99.5%, 2.7 μm of Fisher particle size, 10Kg；
Ni powder: purity > 99.5%, 2.3 μm of Fisher particle size, 20Kg；
Fe powder: purity > 99.5%, 30 μm of Fisher particle size, 11Kg；
TiC powder: purity > 99.5%, 2.5 μm of Fisher particle size, 47Kg；
WC powder: purity > 99.5%, 1.0 μm of Fisher particle size, 12Kg.
By above-mentioned load weighted Mo2C, Ni, Fe, TiC and WC are added in ball grinder, while 85L is poured into ball grinder
Dehydrated alcohol, wet ball grinding mixing is carried out under the action of dehydrated alcohol, the ratio of grinding media to material of ball milling is 5:1 (weight ratio), ball milling
Time is 24 hours.
After the completion of ball milling, mixture is dried using steam, drying temperature is 120 DEG C, and drying time is 6 small
When.Then, 80 meshes are crossed to mixture, polyethylene glycol is added in the mixture after sieving, is added in every kilogram of mixture
The polyethylene glycol of 90mL.It is pressed into raw embryo using hydraulic press, is put into vacuum sintering furnace and carries out vacuum-sintering, vacuum is burnt
Freezing of a furnace by room temperature temperature programming to 1430 DEG C, keep the temperature 60min after, with furnace cooled to room temperature.The liter of vacuum sintering furnace
Warm program are as follows: 30min is warming up to 380 DEG C from room temperature and keeps the temperature 60min, then 30min is warming up to 550 DEG C and keeps the temperature 60min, then
60min is warming up to 800 DEG C and keeps the temperature 30min, then 60min is warming up to 1150 DEG C and keeps the temperature 60min, and then 60min is warming up to
1300 DEG C and 60min is kept the temperature, last 60min is warming up to 1430 DEG C and keeps the temperature 60min.
In order to illustrate the performance of titanium-base alloy cutter material prepared by the present invention, now by titanium-based prepared in the present invention
YG15 hard alloy (wherein, Co 15wt%, WC 85wt%) compares on alloy cutter material and existing market, adopts respectively
With Archimedes's drainage, HR-150A type Rockwell apparatus and universal testing machine, the specific gravity of sample, hardness and strong are tested
Degree, as a result as shown in the table:
Table 1:
| Performance | The present invention | YG15 hard alloy |
| Specific gravity | 6.5g/cm3 | 146.5g/cm3 |
| Hardness | 88-89HAR | 87.5-88HAR |
| Intensity | 2200N/cm2 | 2800N/cm2 |
From upper table analysis it is found that the part Ti substitution W, after Fe replaces Co, specific gravity is greatly reduced, but the hardness and strength of material
Variation less, can satisfy requirement.In addition, present invention ratio YG15 hard alloy is sharper for woodworking plane edge, and
And service life has been higher by 3~5 times, product of the present invention has broader prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of titanium-base alloy cutter material, it is characterised in that: including Mo2C, Ni, Fe, TiC and WC pass through Mo2C, Ni, Fe,
Vacuum-sintering forms after TiC and WC mixing.
2. a kind of titanium-base alloy cutter material according to claim 1, it is characterised in that: based on mass fraction, the Mo2C
It is 15~25%, Fe for 5~15%, Ni be 6~16%, TiC be 42~52%, WC is 7~17%.
3. a kind of titanium-base alloy cutter material according to claim 1, it is characterised in that: based on mass fraction, the Mo2C
For 10%, Ni 20%, Fe 11%, TiC 47%, WC 12%.
4. a kind of preparation method of titanium-base alloy cutter material, it is characterised in that: by load weighted Mo2C, Ni, Fe, TiC and WC add
Enter into ball grinder, while pouring into ball-milling medium into ball grinder, wet ball grinding mixing is carried out under the action of ball-milling medium, to
It successively dries, be sieved after mixture ball milling mixing, forming agent is added in the mixture after sieving, is pressed into using hydraulic press
Raw embryo, by raw embryo vacuum-sintering.
5. a kind of preparation method of titanium-base alloy cutter material according to claim 4, it is characterised in that: the ball milling
Ratio of grinding media to material is 5:1, and ball-milling medium when ball milling is dehydrated alcohol, dehydrated alcohol be added after ball milling 24 hours.
6. a kind of preparation method of titanium-base alloy cutter material according to claim 4, it is characterised in that: the ball milling is mixed
After the completion of conjunction, the mixture after ball milling mixing is dried using steam, drying temperature is 120 DEG C, and drying time is 6 small
When.
7. a kind of preparation method of titanium-base alloy cutter material according to claim 4, it is characterised in that: the forming agent
For polyethylene glycol, the polyethylene glycol of 90mL is added in every kilogram of mixture.
8. a kind of preparation method of titanium-base alloy cutter material according to claim 4, it is characterised in that: the hydraulic pressure
The pressure of machine processed is 80KN, and mixture is pressed into green compact under the pressure effect of 80KN by hydraulic press.
9. a kind of preparation method of titanium-base alloy cutter material according to claim 4, it is characterised in that: the green compact are put
Enter to vacuum sintering furnace carry out vacuum-sintering, vacuum sintering furnace by room temperature temperature programming to 1430 DEG C, keep the temperature 60min after, with furnace
Cooled to room temperature.
10. a kind of preparation method of titanium-base alloy cutter material according to claim 9, which is characterized in that the vacuum
The temperature program of sintering furnace are as follows: 30min is warming up to 380 DEG C from room temperature and keeps the temperature 60min, then 30min is warming up to 550 DEG C and keeps the temperature
60min, then 60min is warming up to 800 DEG C and keeps the temperature 30min, then 60min is warming up to 1150 DEG C and keeps the temperature 60min, then
60min is warming up to 1300 DEG C and keeps the temperature 60min, and last 60min is warming up to 1430 DEG C and keeps the temperature 60min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380137.9A CN109513935A (en) | 2018-11-20 | 2018-11-20 | A kind of titanium-base alloy cutter material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811380137.9A CN109513935A (en) | 2018-11-20 | 2018-11-20 | A kind of titanium-base alloy cutter material and preparation method thereof |
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| CN109513935A true CN109513935A (en) | 2019-03-26 |
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|---|---|---|---|---|
| CN101020982A (en) * | 2006-12-14 | 2007-08-22 | 自贡市天恒合金应用技术有限公司 | Substrate for hard alloy in composite structure |
| CN102433485A (en) * | 2011-08-03 | 2012-05-02 | 四川欧曼机械有限公司 | Iron and nickel-based hard alloy cutter material and preparation method thereof |
| CN103205619A (en) * | 2013-05-10 | 2013-07-17 | 东南大学 | Titanium carbide-tungsten carbide composite hard alloy |
| CN103468995A (en) * | 2013-09-27 | 2013-12-25 | 株洲市振湘实业有限责任公司 | TiC-Ni-Mo cemented carbide material for abrasion-resisting plate and manufacturing method for TiC-Ni-Mo cemented carbide material |
| CN103586457A (en) * | 2013-11-09 | 2014-02-19 | 马鞍山成宏机械制造有限公司 | Powder metallurgy tool and manufacturing method thereof |
| CN104878267A (en) * | 2015-05-29 | 2015-09-02 | 南京理工大学 | TiCN-base metal ceramic tool material and its microwave sintering process |
| CN107385304A (en) * | 2017-07-29 | 2017-11-24 | 赣州伟嘉合金有限责任公司 | A kind of hard alloy and its manufacture method |
-
2018
- 2018-11-20 CN CN201811380137.9A patent/CN109513935A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020982A (en) * | 2006-12-14 | 2007-08-22 | 自贡市天恒合金应用技术有限公司 | Substrate for hard alloy in composite structure |
| CN102433485A (en) * | 2011-08-03 | 2012-05-02 | 四川欧曼机械有限公司 | Iron and nickel-based hard alloy cutter material and preparation method thereof |
| CN103205619A (en) * | 2013-05-10 | 2013-07-17 | 东南大学 | Titanium carbide-tungsten carbide composite hard alloy |
| CN103468995A (en) * | 2013-09-27 | 2013-12-25 | 株洲市振湘实业有限责任公司 | TiC-Ni-Mo cemented carbide material for abrasion-resisting plate and manufacturing method for TiC-Ni-Mo cemented carbide material |
| CN103586457A (en) * | 2013-11-09 | 2014-02-19 | 马鞍山成宏机械制造有限公司 | Powder metallurgy tool and manufacturing method thereof |
| CN104878267A (en) * | 2015-05-29 | 2015-09-02 | 南京理工大学 | TiCN-base metal ceramic tool material and its microwave sintering process |
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Application publication date: 20190326 |