CN102492886A - Tungsten aluminum carbide-iron-nickel hard alloy and preparation method thereof - Google Patents
Tungsten aluminum carbide-iron-nickel hard alloy and preparation method thereof Download PDFInfo
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- CN102492886A CN102492886A CN2011104270612A CN201110427061A CN102492886A CN 102492886 A CN102492886 A CN 102492886A CN 2011104270612 A CN2011104270612 A CN 2011104270612A CN 201110427061 A CN201110427061 A CN 201110427061A CN 102492886 A CN102492886 A CN 102492886A
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Abstract
The invention provides a tungsten aluminum carbide-iron-nickel hard alloy. The hard alloy comprises tungsten aluminum carbide, iron and nickel, wherein the molar ratio of iron to nickel is 1:5-5:1. The preparation method of the tungsten aluminum carbide-iron-nickel hard alloy comprises the following steps: mixing tungsten aluminum carbide powder, iron powder and nickel powder to obtian a mixture; performing cold pressing on the mixture to shape and obtain green compacts; and performing vacuum sintering on the green compacts to obtain the tungsten aluminum carbide-iron-nickel hard alloy. By adding iron and nickel in tungsten aluminum carbide in the molar ratio of 1:5-5:1, the tungsten aluminum carbide alloy can have high density, high microhardness and high bending strength and have the same performances as the added tungsten aluminum carbide alloy. As iron and nickel are widely distributed in nature, are easy to take and are low in cost, the tungsten aluminum carbide-iron-nickel hard alloy prepared by the method has high density, microhardness and bending strength, is low in cost and is economical and practical.
Description
Technical field
The invention belongs to metal material field, particularly a kind of tungsten carbide-aluminum-iron nickel hard alloy and preparation method thereof.
Background technology
Wolfram varbide is the black hexagonal, has very high hardness, and is close with diamond.Pure wolfram varbide is frangible, if mix metals such as little amount of titanium, cobalt or aluminium, just can reduce fragility.Therefore thereby in wolfram varbide, add the research that other metals improve its performance and become a kind of trend.
Because aluminium has lightweight, oxidation-resistance and good ductility, therefore often as adding metal.The tungsten carbide-aluminum hard alloy that interpolation aluminium is processed in wolfram varbide is the emerging technology material of researchdevelopment in recent years; Tungsten carbide-aluminum is that part aluminium atom gets into the case of tungsten in the wolfram varbide lattice and the instead type solid solution alloy that forms; It has the high firmness of wolfram varbide, has had both lightweight, oxidation-resistance and the good ductility property of aluminium on the basis of high-wearing feature again.This alloy rigidity high (microhardness is greater than 25GPa), flexural strength high (flexural strength reaches more than the 1500MPa) and density are lower, and (density of rich duraluminum can reach 3.0g/cm
3); Developing into novel high firmness, HS, good workability, novel hard alloy that oxidation resistance temperature is high, this material is expected at machine tools, glass cutting, forging die, drawing-die, roll, oil well drill pipe, mine drilling tool, dig aspects such as drilling tool and electric contact material is applied.
Traditional tungsten carbide-aluminum hard alloy preparation method is to be raw material with the tungsten-carbide powder; The preparation of employing powder metallurgical sintering process; But it is, therefore comparatively harsh and be difficult to realize its high dense sintering to the requirement of sintering condition because tungsten carbide-aluminum hard alloy has fusing point height, performance such as high temperature resistant.In order to reduce sintering condition; Obtain high fine and close alloy sintered compact; The method for preparing the tungsten carbide-aluminum sintered compact with cobalt as agglutinant that adopts is disclosed in the prior art; Like application number is that 200610016994.1 Chinese patent discloses a kind of aluminium tungsten carbide hard alloy sintered body, is that raw material, cobalt are that agglutinant passes through vacuum hot pressing sintering technique and prepared a kind of aluminium tungsten carbide hard alloy sintered body with the tungsten carbide-aluminum powder in this patent, has high-compactness, high microhardness and high bending strength.But cobalt belongs to rare metal, and cost is higher, is difficult to adapt to the requirement of Economic development.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of tungsten carbide-aluminum-iron nickel hard alloy, has the performance suitable with tungsten carbide-aluminum-cobalt hard alloy, and density is high, microhardness is high and flexural strength is high, but cost is lower.
The invention provides a kind of tungsten carbide-aluminum-iron nickel hard alloy, comprise tungsten carbide-aluminum, iron and nickel; Wherein, the mol ratio of iron and nickel is 1: 5～5: 1.
Preferably, the quality of said tungsten carbide-aluminum is 5～15: 1 with the ratio of the total mass of iron and nickel.
Preferably, the mol ratio of said iron and nickel is 1: 3～3: 1.
Preferably, said tungsten carbide-aluminum has atomic ratio shown in the formula (I):
(W
1-xAl
x)C (I)；
In the formula (I), 0.10≤x≤0.86.
The present invention also provides the preparation method of a kind of tungsten carbide-aluminum-iron nickel hard alloy, may further comprise the steps:
Tungsten carbide-aluminum powder, iron powder and nickel powder mixing are obtained compound;
Said compound is carried out the cold compaction moulding, obtain pressed compact;
Said pressed compact is carried out vacuum sintering, obtain tungsten carbide-aluminum-iron nickel hard alloy.
Preferably, the pressure of said cold compaction moulding is 400MPa～500MPa.
Preferably, the temperature of said vacuum sintering is 1300 ℃～1500 ℃.
Preferably, the time of said vacuum sintering is 0.5h～2h.
Preferably, the vacuum tightness of said vacuum sintering is less than 1 * 10
-3Pa.
Preferably, also comprise: the tungsten carbide-aluminum that obtains-iron nickel hard alloy is carried out polished finish.
Compared with prior art, the present invention is a raw material with tungsten carbide-aluminum powder, iron powder and nickel powder, has prepared tungsten carbide-aluminum-iron nickel hard alloy through the vacuum high-temperature sintering technology.Nickel has excellent mechanical intensity, ductility and erosion resistance; Iron has higher hardness, good ductility, plasticity-and thermal conductivity; By 1: 5～5: 1 mol ratios iron and nickel are added to can make the tungsten carbide-aluminum alloy possess high-compactness, high microhardness and high bending strength in the tungsten carbide-aluminum, have suitable performance with the tungsten carbide-aluminum alloy that adds cobalt.Because iron and nickel are wide in distributed in nature, it is easy to draw materials, and cost is low, so tungsten carbide-aluminum-iron nickel hard alloy that the present invention prepares not only has high-compactness, high microhardness and high bending strength, and cost is lower, economic and practical.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
The embodiment of the invention discloses a kind of tungsten carbide-aluminum-iron nickel hard alloy, comprise tungsten carbide-aluminum, iron and nickel; Wherein, the mol ratio of iron and nickel is 1: 5～5: 1.
The quality of said tungsten carbide-aluminum is 5～15: 1 with the ratio of the total mass of iron and nickel, is preferably 7～12: 1.
Said tungsten carbide-aluminum preferably has atomic ratio shown in the formula (I):
(W
1-xAl
x)C (I)；
In the formula (I), preferred x satisfies, 0.10≤x≤0.86, and preferred x satisfies, 0.20≤x≤0.70.
In the present invention, tungsten carbide-aluminum is the hard phase, and iron and nickel are agglutinant.Nickel is a kind of hard and malleable metal, and fusing point is 1453 ℃.Nickel has very strong corrosion resistance, is used for the plating of alloy manufacturing and metal more, increases the ductility and the erosion resistance of base material.Iron is a kind of pliable and tough and malleable metal, has higher hardness, good ductility, plasticity-and thermal conductivity.In the present invention; With iron and nickel as agglutinant; By 1: 5～5: 1 mol ratios iron and nickel are added to and to make the sintering system obtain suitable sintering temperature and sintering atmosphere in the tungsten carbide-aluminum; Improve agglomerating speed, thereby improved the intensity of tungsten carbide-aluminum-iron nickel hard alloy sintered compact, make tungsten aluminium-iron nickel hard alloy sintered compact have the excellent metallurgical performance.In the present invention, the mol ratio of iron and nickel is 1: 5～5: 1, is preferably 1: 3～3: 1, more preferably 3: 1,1: 1 or 3: 1.
The invention also discloses the preparation method of a kind of tungsten carbide-aluminum-iron nickel hard alloy, may further comprise the steps:
Tungsten carbide-aluminum powder, iron powder and nickel powder mixing are obtained compound;
Said compound is carried out the cold compaction moulding, obtain pressed compact;
Said pressed compact is carried out vacuum sintering, obtain tungsten carbide-aluminum-iron nickel hard alloy.
Among the present invention, the raw material of preparation tungsten carbide-aluminum-iron nickel hard alloy comprises the tungsten carbide-aluminum powder.Said tungsten carbide-aluminum powder preferably has atomic ratio shown in the formula (I):
(W
1-xAl
x)C (I)；
In the formula (I), preferred x satisfies, 0.10≤x≤0.86, and preferred x satisfies, 0.20≤x≤0.70.The present invention does not have particular restriction for the source of said tungsten carbide-aluminum powder, can prepare according to Chinese patent CN01129544.9 disclosed method.The raw material for preparing tungsten carbide-aluminum-iron nickel hard alloy among the present invention also comprises iron powder and nickel powder, does not also have particular restriction for the source of said iron powder and nickel powder.
Said mixing is at first iron powder and nickel powder to be mixed according to mol ratio in 1: 5～5: 1, the mol ratio of iron and nickel is preferably 1: 3～and 3: 1, more preferably 3: 1,1: 1 or 3: 1; Then with the mixture of tungsten carbide-aluminum powder and iron powder and nickel powder according to mass ratio 5～15: 1 mixes, and be 7～12 by mass ratio preferably: 1 mixes.
The present invention does not have particular restriction for method of mixing; Can use method well known to those skilled in the art, as: mixed powder is mechanically mixed powder or compound in cone mixer, ball mill, type mixing tank, mixing screw or fat formula mixing tank.Batch mixing can adopt dry method batch mixing well known to those skilled in the art and material by wet type mixing method.The material by wet type mixing liquid medium can be liquid substances such as alcohol, acetone or water.The present invention is preferably material by wet type mixing, and said medium is preferably alcohol.
After obtaining compound, with its in mould according to method cold compaction well known to those skilled in the art moulding, obtain pressed compact; The pressure of said cold compaction moulding is preferably 400MPa～500MPa, more preferably 430MPa～470MPa.
After obtaining pressed compact, it is carried out vacuum sintering, obtain tungsten carbide-aluminum-iron nickel hard alloy.Among the present invention, the vacuum sintering device has been adopted in said vacuum sintering, when in sintering process, applying temperature, increases vacuum condition, thereby impels the combination between the metallic particles and become key, has realized the densification sintering of powder.Because temperature is generally higher in the alloy sintering process, so vacuum high-temperature sintering not only can suppress particulate oxidation behavior in the sintering process, also guaranteed the homogeneity of shrinking in the sintering process.Said vacuum sintering method technology is simple, easy to operate and turnout is bigger.In the vacuum sintering process, vacuum tightness is less than 1 * 10
-3Pa is preferably 1 * 10
-4Pa～1 * 10
-3Pa; Sintering temperature is 1300 ℃～1500 ℃, is preferably 1400 ℃～1450 ℃; Sintering time is 0.5h～2h, is preferably 1h～1.5h.
Tungsten carbide-aluminum-iron the nickel hard alloy that obtains through oversintering exists with the sintered compact form, and tungsten carbide-aluminum-iron nickel hard alloy is carried out can obtaining various product after the processing treatment such as polished finish, polishing, forging.
After obtaining tungsten carbide-aluminum-iron nickel hard alloy, it is carried out X-ray diffraction analysis, the result shows; Tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable; Do not decompose, crystallization is fine, does not also form intermetallic compound with iron, nickel; And the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron the nickel hard alloy that obtains is carried out specific density, microhardness and flexural strength measure, the result shows that the tungsten carbide-aluminum that obtains-iron nickel hard alloy has high-compactness, high microhardness and high bending strength.
The present invention is a raw material with tungsten carbide-aluminum powder, iron powder and nickel powder, has prepared tungsten carbide-aluminum-iron nickel hard alloy through the vacuum high-temperature sintering technology.Nickel has excellent mechanical intensity, ductility and erosion resistance; Iron has higher hardness, good ductility, plasticity-and thermal conductivity; By 1: 5～5: 1 mol ratios iron and nickel are added to can make the tungsten carbide-aluminum alloy possess high-compactness, high microhardness and high bending strength in the tungsten carbide-aluminum, have suitable performance with the tungsten carbide-aluminum alloy that adds cobalt.Because iron and nickel are wide in distributed in nature, it is easy to draw materials, and cost is low, so tungsten carbide-aluminum-iron nickel hard alloy that the present invention prepares not only has high-compactness, high microhardness and high bending strength, and cost is lower, economic and practical.Preparing method's technology of tungsten carbide-aluminum provided by the invention-iron nickel hard alloy is simple, easy to operate simultaneously, can be used for producing in enormous quantities.
In order further to understand the present invention, below in conjunction with embodiment tungsten carbide-aluminum provided by the invention-iron nickel hard alloy and preparation method thereof is described, protection scope of the present invention is not limited by the following examples.
Embodiment 1
With 30 gram (W
0.5Al
0.5) mixture of C powder and 3 gram iron powders and nickel powders carries out wet mixing, obtains compound, wherein iron powder and nickel powder mol ratio are 3: 1.Compound is under 450MPa after the cold compaction moulding, 1 * 10
-3Pa～1 * 10
-4Sintering under the Pa vacuum condition, sintering temperature are 1500 ℃, and sintering time is 1h, obtain tungsten carbide-aluminum-iron nickel hard alloy sintered compact.Sintered compact through polished finish, is obtained tungsten carbide-aluminum-iron nickel hard alloy.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out X-ray diffraction analysis; The result shows that tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable, does not decompose; Crystallization is fine; Do not form intermetallic compound with iron, nickel yet, and the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out specific density, fiber stiffness and flexural strength measure, the result shows that the specific density of the tungsten carbide-aluminum that obtains-iron nickel hard alloy is 99%, and microhardness is 2100Kg/mm
2, flexural strength is 1552MPa.
Embodiment 2
With 30 gram (W
0.5Al
0.5) mixture of C powder and 3 gram iron powders and nickel powders carries out wet mixing, obtains compound, wherein iron powder and nickel powder mol ratio are 1: 1.Compound is under 450MPa after the cold compaction moulding, 1 * 10
-3Pa～1 * 10
-4Sintering under the Pa vacuum condition, sintering temperature are 1470 ℃, and sintering time is 1h, obtain tungsten carbide-aluminum-iron nickel hard alloy sintered compact.Sintered compact through after the polished finish, is obtained tungsten carbide-aluminum-iron nickel hard alloy.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out X-ray diffraction analysis; The result shows that tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable, does not decompose; Crystallization is fine; Do not form intermetallic compound with iron, nickel yet, and the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out specific density, fiber stiffness and flexural strength measure, measure the result and show that the specific density of the tungsten carbide-aluminum that obtains-iron nickel hard alloy is 98%, microhardness is 2010Kg/mm
2, flexural strength is 1466MPa.
Embodiment 3
With 30 gram (W
0.5Al
0.5) mixture of C powder and 3 gram iron powders and nickel powders carries out wet mixing, obtains compound, wherein iron powder and nickel powder mol ratio are 1: 3.Compound is under 450MPa after the cold compaction moulding, 1 * 10
-3Pa～1 * 10
-4Sintering under the Pa vacuum condition, sintering temperature are 1400 ℃, and sintering time is 1h, obtain tungsten carbide-aluminum-iron nickel hard alloy sintered compact.Sintered compact through after the polished finish, is obtained tungsten carbide-aluminum-iron nickel hard alloy.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out X-ray diffraction analysis; The result shows that tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable, does not decompose; Crystallization is fine; Do not form intermetallic compound with iron, nickel yet, and the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out specific density, fiber stiffness and flexural strength measure, measure the result and show that the specific density of the tungsten carbide-aluminum that obtains-iron nickel hard alloy is 98%, microhardness is 1970Kg/mm
2, flexural strength is 1417MPa.
Embodiment 4
With 30 gram (W
0.5Al
0.5) mixture of C powder and 4 gram iron powders and nickel powders carries out wet mixing, obtains compound, wherein iron powder and nickel powder mol ratio are 3: 1.Compound is under 450MPa after the cold compaction moulding, 1 * 10
-3Pa～1 * 10
-4Sintering under the Pa vacuum condition, sintering temperature are 1390 ℃, and sintering time is 1h, obtain tungsten carbide-aluminum-iron nickel hard alloy sintered compact.Sintered compact through after the polished finish, is obtained tungsten carbide-aluminum-iron nickel hard alloy.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out X-ray diffraction analysis; The result shows that tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable, does not decompose; Crystallization is fine; Do not form intermetallic compound with iron, nickel yet, and the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out specific density, fiber stiffness and flexural strength measure, measure the result and show that the specific density of the tungsten carbide-aluminum that obtains-iron nickel hard alloy is 99%, microhardness is 1948Kg/mm
2, flexural strength is 1630MPa.
Embodiment 5
With 30 gram (W
0.5Al
0.5) mixture of C powder and 5 gram iron powders and nickel powders carries out wet mixing, obtains compound, wherein iron powder and nickel powder mol ratio are 3: 1.Compound is under 450MPa after the cold compaction moulding, 1 * 10
-3Pa～1 * 10
-4Sintering under the Pa vacuum condition, sintering temperature are 1380 ℃, and sintering time is 1h, obtain tungsten carbide-aluminum-iron nickel hard alloy sintered compact.Sintered compact through after the polished finish, is obtained tungsten carbide-aluminum-iron nickel hard alloy.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out X-ray diffraction analysis; The result shows that tungsten carbide-aluminum in the vacuum high-temperature sintering process-iron nickel hard alloy is very stable, does not decompose; Crystallization is fine; Do not form intermetallic compound with iron, nickel yet, and the tungsten carbide-aluminum that finally obtains-iron nickel hard alloy Stability Analysis of Structures, percent crystallinity obviously improves.
Tungsten carbide-aluminum-iron nickel hard alloy to obtaining carries out density measurement and scanning electron microscope analysis, and the result shows that tungsten carbide-aluminum-iron nickel hard alloy density is very high.
Tungsten carbide-aluminum-iron nickel hard alloy is carried out specific density, fiber stiffness and flexural strength measure, measure the result and show that the specific density of the tungsten carbide-aluminum that obtains-iron nickel hard alloy is 98%, microhardness is 1846Kg/mm
2, flexural strength is 1745MPa.
Comparative example 1
(W with 9 grams
0.5Al
0.5) C powder and 1.50 gram cobalt powders put into graphite grinding tool after mixing, 1 * 10
-3Sintering under the Pa vacuum condition, sintering temperature are 1500 ℃, and pressure is 20MPa, and sintering time is 15 minutes, obtain tungsten carbide-aluminum-cobalt-base alloy sintered compact.Tungsten carbide-aluminum-cobalt-base alloy sintered compact through polished finish, is obtained tungsten carbide-aluminum-cobalt-base alloy.Tungsten carbide-aluminum-cobalt-base alloy is carried out specific density, fiber stiffness and flexural strength measure, the result shows that the specific density of the tungsten carbide-aluminum-cobalt-base alloy that obtains is 99%, and microhardness is 1876Kg/mm
2, flexural strength is 1130MPa.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. tungsten carbide-aluminum-iron nickel hard alloy comprises tungsten carbide-aluminum, iron and nickel;
Wherein, the mol ratio of iron and nickel is 1: 5～5: 1.
2. tungsten carbide-aluminum according to claim 1-iron nickel hard alloy is characterized in that, the quality of said tungsten carbide-aluminum is 5～15: 1 with the ratio of the total mass of iron and nickel.
3. tungsten carbide-aluminum according to claim 1-iron nickel hard alloy is characterized in that, the mol ratio of said iron and nickel is 1: 3～3: 1.
4. tungsten carbide-aluminum according to claim 1-iron nickel hard alloy is characterized in that, said tungsten carbide-aluminum has atomic ratio shown in the formula (I):
(W
1-xAl
x)C (I)；
In the formula (I), 0.10≤x≤0.86.
5. the preparation method of tungsten carbide-aluminum-iron nickel hard alloy may further comprise the steps:
Tungsten carbide-aluminum powder, iron powder and nickel powder mixing are obtained compound;
Said compound is carried out the cold compaction moulding, obtain pressed compact;
Said pressed compact is carried out vacuum sintering, obtain tungsten carbide-aluminum-iron nickel hard alloy.
6. preparation method according to claim 5 is characterized in that, the pressure of said cold compaction moulding is 400MPa～500MPa.
7. preparation method according to claim 5 is characterized in that, the temperature of said vacuum sintering is 1300 ℃～1500 ℃.
8. preparation method according to claim 5 is characterized in that, the time of said vacuum sintering is 0.5h～2h.
9. preparation method according to claim 5 is characterized in that the vacuum tightness of said vacuum sintering is less than 1 * 10
-3Pa.
10. according to the described preparation method of claim 5～9, it is characterized in that, also comprise: the tungsten carbide-aluminum that obtains-iron nickel hard alloy is carried out polished finish.
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Cited By (2)
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|---|---|---|---|---|
| US9540716B2 (en) | 2014-10-28 | 2017-01-10 | Industrial Technology Research Institute | Composite powder of carbide/blending metal |
| CN111534735A (en) * | 2020-05-20 | 2020-08-14 | 中国科学院长春应用化学研究所 | Tungsten carbide aluminum hard alloy without binding phase and preparation method thereof |
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| CN101709422A (en) * | 2009-12-16 | 2010-05-19 | 中国科学院长春应用化学研究所 | Tungsten carbide aluminum-nickel alloys and preparation method thereof |
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| CN101709422A (en) * | 2009-12-16 | 2010-05-19 | 中国科学院长春应用化学研究所 | Tungsten carbide aluminum-nickel alloys and preparation method thereof |
Non-Patent Citations (1)
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| 唐鹏: "铁镍代钴型硬质合金应用研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9540716B2 (en) | 2014-10-28 | 2017-01-10 | Industrial Technology Research Institute | Composite powder of carbide/blending metal |
| CN111534735A (en) * | 2020-05-20 | 2020-08-14 | 中国科学院长春应用化学研究所 | Tungsten carbide aluminum hard alloy without binding phase and preparation method thereof |
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