CN102367535A - Titanium carbide-tungsten carbide matrix lightweight cemented carbide with cobalt and nickel being binding phase and preparation method thereof - Google Patents
Titanium carbide-tungsten carbide matrix lightweight cemented carbide with cobalt and nickel being binding phase and preparation method thereof Download PDFInfo
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- CN102367535A CN102367535A CN2011102568523A CN201110256852A CN102367535A CN 102367535 A CN102367535 A CN 102367535A CN 2011102568523 A CN2011102568523 A CN 2011102568523A CN 201110256852 A CN201110256852 A CN 201110256852A CN 102367535 A CN102367535 A CN 102367535A
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Abstract
The invention relates to a titanium carbide-tungsten carbide matrix lightweight cemented carbide with cobalt and nickel being the binding phase and a preparation method thereof, belongs to the technical field of alloy manufacture, and aims to solve technical problems of the decline of each performance index of cemented carbide, poor oxidation resistance and corrosion resistance of the alloy matrix, high production cost and the like by the use of present tungsten carbide substitute. The titanium carbide-tungsten carbide matrix lightweight cemented carbide with cobalt and nickel being the binding phase contains the following components of: by weight, 17.24-43.64% of Ti; 2.23-9.68% of Ni; 5.23-10.51% of Co; 27.37-57.62% of W; and 10.27-13.87% of C.
Description
Technical field
The present invention relates to alloy manufacturing technology field, particularly a kind of serves as the titanium carbide-titanium carbide tungsten basal body light hard alloy of phase and preparation method thereof that bonds with cobalt nickel.
Background technology
According to international tungsten ore mountain symposial analysis expert, present national tungsten deposit is more has only the U.S., Russia and China three states.Because tungsten is still munitions industry, the indispensable strategy metal of space industry.The outbound in recent years of aforementioned three states is many, still has certain deposit so far, but deposit has all dropped to low spot.Along with world's tungsten concentrate output descends year by year, stock is dry gradually, and under the situation that does not have more deposits to sell off, tungsten industry in the world's will face severe fearful former tungsten shortage.
China is the abundantest country of tungsten resource in the world, also is maximum in the world tungsten producing country and export State.Get into the nineties, Chinese mine tungsten output has accounted for more than 60% of mine, world tungsten output, has reached about 80% in recent years; The tungsten product export volume accounts for more than 40% of world's tungsten consumption.Along with the fast development that tungsten is produced, the tungsten resource reserves of China are day by day subdued, and are wherein obvious with black tungsten resource.
Since the wimet invention, with the wolfram varbide main raw material(s) always.Face the worsening shortages of tungsten resource; Replace or part replaces wolfram varbide and undoubtedly huge effect played in the shortage of alleviating resource with other materials, but use at present material such as other metallic carbide as the substitute of wolfram varbide have that wimet each item performance index descend, alloy substrate oxidation-resistance and problems such as corrosion stability is poor, production cost height.
Summary of the invention
The present invention be intended to solve existing use that the wolfram varbide substitute exists that wimet each item performance index descend, alloy substrate oxidation-resistance and corrosion stability is poor, production cost high-technology problem, with provide have final product Hardmetal materials hardness high, wear-resisting with good corrosion resistance, the wolfram varbide consumption is low with high a kind of of cost performance serves as bonding titanium carbide-titanium carbide tungsten basal body light hard alloy mutually and preparation method thereof with cobalt nickel.
The objective of the invention is to realize through following technical scheme.
Of the present invention a kind of with cobalt nickel serve as the bonding phase titanium carbide-titanium carbide tungsten basal body light hard alloy, contain following components by weight proportion:
Ti 17.24?%-43.65?%
Ni 2.23?%-9.68?%
Co 5.23?%-10.51?%
W 27.37?%-57.62?%
C 10.27%-13.87?%。
Of the present invention a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, comprise the steps:
A) get by mass percentage component: nickel powder 5-8%, cobalt powder 5-8%, carbonized titanium powder 30-40%, additive 1%, tungsten carbide powder surplus, the aforementioned component mixture added wet-milling to powder size is 1-2 μ m in the ball mill, mixed slurry; Wherein additive is Cr
3C
2Or TaC;
B) above-mentioned mixed slurry filtration, dry back are added rubber solutions; After 90-110 ℃ of following vacuum-drying 15-25 minute, cross 80 mesh sieves after stirring and get mixture; This mixture is dropped in the mould in the 100-200MPa forming under the pressure; Place vacuum tightness 1-5Pa then, temperature be under 1350 ℃-1410 ℃ the condition insulation 1-2 hour finished product.
Of the present invention a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel; The particle diameter of nickel powder is 1-2 μ m in the wherein said step a); The particle diameter of cobalt powder is 1-2 μ m, and the particle diameter of carbonized titanium powder and tungsten carbide powder is 1-2 μ m; The titanium carbide total carbon content is 17.2-17.8wt%, and the wolfram varbide total carbon content is 5.90-5.94wt%.
Of the present invention a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, the used solvent of mix grinding is an absolute ethyl alcohol in the wherein said step a), its addition is that every kg of component mixture adds absolute ethyl alcohol 300-400ml.
Of the present invention a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, the addition of rubber solutions is the 0.8-1.0wt% of mixed slurry total mass in the wherein said step b).
The present invention is a kind of to be the beneficial effect of the titanium carbide-titanium carbide tungsten basal body light hard alloy and preparation method thereof of bonding phase with cobalt nickel:
1. the present invention partly replaces wolfram varbide with titanium carbide, has both possessed original wimet each item use properties, reduces the use of tungsten again, reduces production costs simultaneously.
2. to adopt Ni, Co be sticker in the present invention, and alloy substrate is had good wettability, than single Co sticker better oxidation-resistance and corrosion stability arranged.
3. the alloy material hardness of the present invention's preparation is high, wear resistance, good corrosion resistance, and strategic resource consumes low, and porosity is low and cost performance is high, can be used for the body material of petroleum industry ball valve, wear ring.
Embodiment
Of the present invention a kind of serve as titanium carbide-titanium carbide tungsten basal body light hard alloy and preparation method thereof of bonding phase with cobalt nickel, further specify through following embodiment.
Get component by mass percentage: nickel powder 5-8%, cobalt powder 5-8%, carbonized titanium powder 30-40%, addition of C r
3C
2Or TaC 1%, surplus is a tungsten carbide powder, and nickel powder, cobalt powder, carbonized titanium powder and tungsten carbide powder are added in the tilting-type ball mill; Drum's speed of rotation is 240r/min; The ball milling ball is the WC-6wt%Co sintered carbide ball abrading-ball of diameter 10mm, and ball-to-powder weight ratio is 5:1, and the ball milling time is 56h; The wet-milling solvent for use is an absolute ethyl alcohol, and wet-milling to powder size is that 1-2 μ m gets mixed slurry.
Afterwards; With the SD rubber solutions that above-mentioned mixed slurry filters, dry back adds raw material total mass 0.8-1.0%; Mix even back 80 mesh sieves of after 90-110 ℃ of following vacuum-drying 15-25 minute, crossing and get mixture; Said mixture is dropped in the mould in the 100-200MPa forming under the pressure, places vacuum tightness 1-5Pa then, temperature be under 1350 ℃-1410 ℃ the condition insulation 1-2 hour finished product.
The addition of absolute ethyl alcohol is that every kilogram of powder adds 300-400ml during practical implementation; The particle diameter of used carbonized titanium powder and tungsten carbide powder is 1-2 μ m.The particle diameter of cobalt powder is 1-2 μ m, and the particle diameter of nickel powder is 1-2 μ m.The titanium carbide total carbon content is 17.2-17.8wt%, and the wolfram varbide total carbon content is 5.90-5.94wt%.
According to the titanium carbide-titanium carbide tungsten base cemented carbide homogeneous microstructure of mentioned component and prepared, its grain size is about 0.8-1.2 μ m, bending strength >=1600Mpa, and hardness >=90.5HRA takes up an official post at final product and to get 5 points, obtains each component proportions such as following table.
| The point position | Ti | Ni | Co | W | C | Total amount |
| 1 | 28.17 | 8.64 | 5.23 | 45.83 | 11.03 | 100.00 |
| 2 | 17.24 | 7.18 | 7.25 | 57.62 | 10.27 | 100.00 |
| 3 | 41.49 | 2.23 | 10.51 | 31.85 | 13.87 | 100.00 |
| 4 | 43.65 | 5.76 | 9.27 | 27.37 | 13.05 | 100.00 |
| 5 | 30.35 | 9.68 | 10.39 | 37.79 | 10.74 | 100.00 |
Of the present invention a kind of serve as that the titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase can be used for the body material of petroleum industry ball valve, wear ring with cobalt nickel.
Claims (5)
1. one kind serves as the titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, it is characterized in that containing following components by weight proportion:
Ti 17.24?%-43.65?%
Ni 2.23?%-9.68?%
Co 5.23?%-10.51?%
W 27.37?%-57.62?%
C 10.27%-13.87?%。
2. according to claim 1 a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, it is characterized in that comprising the steps:
A) get by mass percentage component: nickel powder 5-8%, cobalt powder 5-8%, carbonized titanium powder 30-40%, additive 1%, tungsten carbide powder surplus, the aforementioned component mixture added wet-milling to powder size is 1-2 μ m in the ball mill, mixed slurry; Wherein additive is Cr
3C
2Or TaC;
B) above-mentioned mixed slurry filtration, dry back are added rubber solutions; After 90-110 ℃ of following vacuum-drying 15-25 minute, cross 80 mesh sieves after stirring and get mixture; This mixture is dropped in the mould in the 100-200MPa forming under the pressure; Place vacuum tightness 1-5Pa then, temperature be under 1350 ℃-1410 ℃ the condition insulation 1-2 hour finished product.
3. according to claim 2 a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel; It is characterized in that: the particle diameter of nickel powder is 1-2 μ m in the said step a); The particle diameter of cobalt powder is 1-2 μ m, and the particle diameter of carbonized titanium powder and tungsten carbide powder is 1-2 μ m; The titanium carbide total carbon content is 17.2-17.8wt%, and the wolfram varbide total carbon content is 5.90-5.94wt%.
4. according to claim 2 a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel; It is characterized in that: the used solvent of mix grinding is an absolute ethyl alcohol in the said step a), and its addition is that every kg of component mixture adds absolute ethyl alcohol 300-400ml.
5. according to claim 2 a kind of serve as the preparation method of titanium carbide-titanium carbide tungsten basal body light hard alloy of bonding phase with cobalt nickel, it is characterized in that: the addition of rubber solutions is the 0.8-1.0wt% of mixed slurry total mass in the said step b).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861905A (en) * | 2016-04-13 | 2016-08-17 | 四川大学 | Nano-particle modified titanium-carbide-based hard alloy and preparation method thereof |
| CN106824453A (en) * | 2017-04-13 | 2017-06-13 | 亚洲硅业（青海）有限公司 | Titanium carbide tungsten-cobalt alloy, metallic silicon jet crushing disk and jet microniser |
| CN109735756A (en) * | 2019-01-29 | 2019-05-10 | 广汉鸿达硬质合金有限责任公司 | A kind of high abrasion ball body of valve titanium alloy material |
| CN109811237A (en) * | 2019-03-22 | 2019-05-28 | 技锋精密刀具（马鞍山）有限公司 | A kind of high-performance carbide material |
| CN109825753A (en) * | 2019-01-07 | 2019-05-31 | 株洲锦成工具有限公司 | The tungsten steel ornament production method and process flow of a kind of titaniferous, nickel |
| CN114959345A (en) * | 2022-06-14 | 2022-08-30 | 攀枝花学院 | Cermet material with nano carbide precipitated in situ in binding phase and preparation method thereof |
Citations (1)
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| CN1865477A (en) * | 2006-04-28 | 2006-11-22 | 自贡硬质合金有限责任公司 | TiC-WC based alloy products |
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2011
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1865477A (en) * | 2006-04-28 | 2006-11-22 | 自贡硬质合金有限责任公司 | TiC-WC based alloy products |
Non-Patent Citations (1)
| Title |
|---|
| 张端锋 等: "WC-TiC-Ni硬质合金的制备与性能", 《粉末冶金材料科学与工程》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861905A (en) * | 2016-04-13 | 2016-08-17 | 四川大学 | Nano-particle modified titanium-carbide-based hard alloy and preparation method thereof |
| CN105861905B (en) * | 2016-04-13 | 2018-07-13 | 四川大学 | A kind of titanium carbide base hard alloy of modified by nano particles and preparation method thereof |
| CN106824453A (en) * | 2017-04-13 | 2017-06-13 | 亚洲硅业（青海）有限公司 | Titanium carbide tungsten-cobalt alloy, metallic silicon jet crushing disk and jet microniser |
| CN106824453B (en) * | 2017-04-13 | 2018-09-11 | 亚洲硅业（青海）有限公司 | Titanium carbide tungsten-cobalt alloy, metallic silicon jet crushing disk and jet microniser |
| CN109825753A (en) * | 2019-01-07 | 2019-05-31 | 株洲锦成工具有限公司 | The tungsten steel ornament production method and process flow of a kind of titaniferous, nickel |
| CN109735756A (en) * | 2019-01-29 | 2019-05-10 | 广汉鸿达硬质合金有限责任公司 | A kind of high abrasion ball body of valve titanium alloy material |
| CN109811237A (en) * | 2019-03-22 | 2019-05-28 | 技锋精密刀具（马鞍山）有限公司 | A kind of high-performance carbide material |
| CN109811237B (en) * | 2019-03-22 | 2020-09-11 | 技锋精密刀具（马鞍山）有限公司 | High-performance hard alloy material |
| CN114959345A (en) * | 2022-06-14 | 2022-08-30 | 攀枝花学院 | Cermet material with nano carbide precipitated in situ in binding phase and preparation method thereof |
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Application publication date: 20120307 |