CN102994853A - Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy - Google Patents
Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy Download PDFInfo
- Publication number
- CN102994853A CN102994853A CN2012105054719A CN201210505471A CN102994853A CN 102994853 A CN102994853 A CN 102994853A CN 2012105054719 A CN2012105054719 A CN 2012105054719A CN 201210505471 A CN201210505471 A CN 201210505471A CN 102994853 A CN102994853 A CN 102994853A
- Authority
- CN
- China
- Prior art keywords
- hard alloy
- cutting tool
- preparation
- alloy material
- wimet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention discloses a hard alloy raw material, a hard alloy for a cutting tool as well as a preparation method of the hard alloy. The hard alloy raw material comprises the following components in percentage by weight: 60-70% of tungsten carbide, 10-15% of cobalt powder, 15-20% of titanium carbide, and 5-10% of rare metal, wherein the granularity of tungsten carbide is less than or equal to 1.5 mu m, and the rare metal contains tantalum or/and niobium element. The preparation method of the hard alloy for the cutting tool comprises the following steps of: mixing, drying, forming, pressing and sintering. The hard alloy raw material, the hard alloy for the cutting tool as well as the preparation method of the hard alloy disclosed by the invention have the advantages that the preparation cost of the hard alloy is low, and the hard alloy has higher hardness and strength.
Description
Technical field
The present invention relates to a kind of alloy prior, particularly Wimet, be specifically related to a kind of hard alloy material, cutting tool Wimet and preparation method thereof.
Background technology
Wimet is a kind of alloy material of being made by powder metallurgical technique by the hard compounds of refractory metal and matrix metal.Wimet has the premium propertiess, particularly its high rigidity and wear resistance such as hardness height, wear-resisting, intensity and toughness is better, heat-resisting, corrosion-resistant, even also substantially remain unchanged under 500 ℃ temperature, still has very high hardness in the time of 1000 ℃.Wimet is widely used in the fields such as machinery, building.
The Wimet that cutting tool is used, main component are wolfram varbide and cobalt, and the adding of cobalt can reduce the fragility of alloy.In the prior art, adopt coarse grained wolfram varbide as alloy raw material more, cooperate to add a certain amount of rare metal, reach the toughness/plasticity of cutting tool, the requirement of hardness.According to this technology, the rare metal amount of adding is larger, makes the tooling cost of machining cutting tool higher.
Summary of the invention
The objective of the invention is to overcome above shortcoming, a kind of hard alloy material, cutting tool Wimet and preparation method thereof are provided, use this hard alloy material to prepare Wimet, low cost of manufacture, and have higher hardness and intensity.
Technical scheme of the present invention is:
A kind of hard alloy material, the component of described alloy raw material and the weight percent of each component are: wolfram varbide: 60-70%; Cobalt powder: 10-15%; Titanium carbide: 15-20%; Rare metal: 5-10%; Wherein, the granularity of described wolfram varbide is less than or equal to 1.5 μ m; Include tantalum in the described rare metal or/and the niobium element.
Further, the weight percent of the component of described alloy raw material and each component is: wolfram varbide: 65-68%; Cobalt powder: 10-13%; Titanium carbide: 15-18%; Rare metal: 7-10%.
Further, described rare metal is that tantalum is or/and the sosoloid of niobium.
A kind of cutting tool Wimet, described Wimet prepares moulding by hard alloy material, and the component of described hard alloy material and the weight percent of each component are: wolfram varbide: 60-70%; Cobalt powder: 10-15%; Titanium carbide: 15-20%; Rare metal: 5-10%; Wherein, the granularity of described wolfram varbide is less than or equal to 1.5 μ m; Include tantalum in the described rare metal or/and the niobium element.
A kind of preparation method of cutting tool Wimet, described preparation method's step is as follows:
A, the hard alloy material in the claim 1 is added ball mill, and mixed 48-96 hour after injecting industrial spirit, then carry out vacuum-drying;
B, in mixed powder, mix forming agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to the shape of cutting tool;
D, with molded blank sintering under 1380-1480 ° temperature, obtain the cutting tool Wimet.
Further, the weight ratio of ball mills and described hard alloy material is 3:1-5:1 among the step a.
Further, described forming agent is SBS rubber or paraffin.
Hard alloy material provided by the invention, cutting tool Wimet and preparation method thereof have following advantage:
1, hard alloy material provided by the invention, cutting tool Wimet and preparation method thereof, the advantage that the Cemented Carbide Hardness that makes is high, intensity is high has guaranteed hardness and the toughness of Wimet simultaneously.Hard alloy material provided by the invention, the granularity of tungsten carbide powder is less than or equal to 1.5 μ m, and the granularity of tungsten carbide powder is thinner, and thinner tungsten carbide particle is dispersed in the alloy raw material, mix with cobalt powder, titanium carbide, rare metal height, and the content of cobalt powder is higher than cobalt powder content of the prior art greater than 10%, thereby fine-grained wolfram varbide is fully contacted with cobalt powder, cobalt powder is as binding agent, increase bond area, improved cohesive force, thereby improved the toughness of alloy.
Rare metal in the alloy raw material has the effect of inhibiting grain growth, in the alloy raw material take fine grain wolfram varbide as main component, add an amount of rare metal, under the state of high temperature sintering, but inhibiting grain growth guarantees that alloy has sufficiently high intensity, moulding and toughness.Be tantalum or/and during niobium sosoloid, have preferably comprehensive mechanical property, better effects if when rare metal particularly.Simultaneously, rare metal also has the effect of the uniform crystal particles of making.
Hard alloy material provided by the invention, cutting tool Wimet and preparation method thereof, the Wimet that makes, hardness is 90.5-91HRA, bending strength is 1600-1800N/mm
2
2, hard alloy material processing preparation cutting tool Wimet provided by the invention has lower production cost.Hard alloy material provided by the invention, the granularity of wolfram varbide is less than or equal to 1.5 μ m, belong to fine granularity, the content of cobalt is greater than 10%, when preparation cutting tool Wimet, only need to add the rare metal less than or equal to 10%, be about 15% to compare with rare metal add-on of the prior art, the addition of rare metal obviously reduces, thereby has saved production cost.
Embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum carbide |
| Weight (Kg) | 300 | 50 | 100 | 50 |
| Weight percent (%) | 60% | 10% | 20% | 10% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m; Tantalum carbide is the sosoloid of tantalum, as rare metal.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 48 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 5:1.
B, in mixed powder, mix the agent of SBS rubber-moulding, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1380 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.5HRA, and bending strength is 1600N/mm
2
Embodiment 2
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Niobium carbide |
| Weight (Kg) | 305 | 75 | 75 | 45 |
| Weight percent (%) | 61% | 15% | 15% | 9% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m; Niobium carbide is the sosoloid of niobium, as rare metal.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 64 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1400 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.6HRA, and bending strength is 1800N/mm
2
Embodiment 3
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 620 | 140 | 190 | 50 |
| Weight percent (%) | 62% | 14% | 19% | 5% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m; Tantalum niobium sosoloid is as rare metal.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 56 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4.5:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1425 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.5HRA, and bending strength is 1750N/mm
2
Embodiment 4
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium vanadium sosoloid |
| Weight (Kg) | 650 | 130 | 170 | 50 |
| Weight percent (%) | 65% | 13% | 17% | 5% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 96 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1390 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.7HRA, and bending strength is 1720N/mm
2
Embodiment 5
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 345 | 55 | 75 | 25 |
| Weight percent (%) | 69% | 11% | 15% | 5% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 72 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.8:1.
B, in mixed powder, mix the agent of SBS rubber-moulding, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1385 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.72HRA, and bending strength is 1700N/mm
2
Embodiment 6
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Niobium sosoloid |
| Weight (Kg) | 325 | 50 | 90 | 35 |
| Weight percent (%) | 65% | 10% | 18% | 7% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 88 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.2:1.
B, in mixed powder, mix the agent of SBS rubber-moulding, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1410 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.8HRA, and bending strength is 1680N/mm
2
Embodiment 7
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | The tantalate solid solution body |
| Weight (Kg) | 325 | 50 | 75 | 50 |
| Weight percent (%) | 65% | 10% | 15% | 10% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 80 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.5:1.
B, in mixed powder, mix the agent of SBS rubber-moulding, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1398 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.8HRA, and bending strength is 1650N/mm
2
Embodiment 8
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 325 | 50 | 75 | 50 |
| Weight percent (%) | 64% | 12% | 16% | 8% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 64 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4.3:1.
B, in mixed powder, mix the agent of SBS rubber-moulding, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1470 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.78HRA, and bending strength is 1725N/mm
2
Embodiment 9
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium vanadium sosoloid |
| Weight (Kg) | 650 | 120 | 150 | 80 |
| Weight percent (%) | 65% | 12% | 15% | 8% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 72 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.6:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1440 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 91HRA, and bending strength is 1730N/mm
2
Embodiment 10
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 630 | 130 | 180 | 60 |
| Weight percent (%) | 63% | 13% | 18% | 6% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 56 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4.8:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1420 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.65HRA, and bending strength is 1750N/mm
2
Embodiment 11
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 680 | 110 | 150 | 60 |
| Weight percent (%) | 68% | 11% | 15% | 6% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 48 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 5:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1480 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.85HRA, and bending strength is 1700N/mm
2
Embodiment 12
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium vanadium sosoloid |
| Weight (Kg) | 335 | 50 | 80 | 35 |
| Weight percent (%) | 67% | 10% | 16% | 7% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 72 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.7:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1460 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.9HRA, and bending strength is 1680N/mm
2
Embodiment 13
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Niobium sosoloid |
| Weight (Kg) | 700 | 100 | 150 | 50 |
| Weight percent (%) | 70% | 10% | 15% | 5% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 64 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4.2:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1450 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.7HRA, and bending strength is 1650N/mm
2
Embodiment 14
Each component of hard alloy material and the content of each component following (gross weight is: 1000kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | The tantalate solid solution body |
| Weight (Kg) | 680 | 100 | 150 | 70 |
| Weight percent (%) | 68% | 10% | 15% | 7% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 56 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 4.7:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1430 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.88HRA, and bending strength is 1660N/mm
2
Embodiment 15
Each component of hard alloy material and the content of each component following (gross weight is: 500kg):
| Component | Wolfram varbide | Cobalt powder | Titanium carbide | Tantalum niobium sosoloid |
| Weight (Kg) | 330 | 60 | 75 | 35 |
| Weight percent (%) | 66% | 12% | 15% | 7% |
Wherein, the granularity of wolfram varbide is 1.0-1.5 μ m.
Use the instrument Wimet with above-mentioned hard alloy material preparation cutting, preparation method's step is as follows:
A, above-mentioned hard alloy material is added ball mill, and mixed 88 hours after injecting industrial spirit, then carry out vacuum-drying; Wherein, the weight ratio of ball mills and hard alloy material is 3.3:1.
B, in mixed powder, mix the wax moulding agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to alloy cutting tool shape;
D, with molded blank sintering under 1445 ° temperature, obtain the cutting tool Wimet.
According to the cutting tool Wimet that above-mentioned preparation method prepares, hardness is 90.95HRA, and bending strength is 1740N/mm
2
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing, is equal to replacement etc. in protection scope of the present invention, all should be included within protection scope of the present invention.
Claims (7)
1. a hard alloy material is characterized in that, the component of described alloy raw material and the weight percent of each component are:
Wolfram varbide: 60-70%;
Cobalt powder: 10-15%;
Titanium carbide: 15-20%;
Rare metal: 5-10%;
Wherein, the granularity of described wolfram varbide is less than or equal to 1.5 μ m; Include tantalum in the described rare metal or/and the niobium element.
2. Hardmetal materials according to claim 2 is characterized in that, the component of described alloy raw material and the weight percent of each component are:
Wolfram varbide: 65-68%;
Cobalt powder: 10-13%;
Titanium carbide: 15-18%;
Rare metal: 7-10%.
3. Hardmetal materials according to claim 1 and 2 is characterized in that, described rare metal is that tantalum is or/and the sosoloid of niobium.
4. a cutting tool Wimet is characterized in that, described Wimet prepares moulding by hard alloy material, and the component of described hard alloy material and the weight percent of each component are: wolfram varbide: 60-70%; Cobalt powder: 10-15%; Titanium carbide: 15-20%; Rare metal: 5-10%; Wherein, the granularity of described wolfram varbide is less than or equal to 1.5 μ m; Include tantalum in the described rare metal or/and the niobium element.
5. the preparation method of a cutting tool Wimet is characterized in that, described preparation method's step is as follows:
A, the hard alloy material in the claim 1 is added ball mill, and mixed 48-96 hour after injecting industrial spirit, then carry out vacuum-drying;
B, in mixed powder, mix forming agent, again carry out vacuum-drying;
C, the powder that will add behind the forming agent are pressed into blank according to the shape of cutting tool;
D, with molded blank sintering under 1380-1480 ° temperature, obtain the cutting tool Wimet.
6. preparation method according to claim 5 is characterized in that, the weight ratio of ball mills and described hard alloy material is 3:1-5:1 among the step a.
7. preparation method according to claim 6 is characterized in that, described forming agent is SBS rubber or paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105054719A CN102994853A (en) | 2012-11-30 | 2012-11-30 | Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105054719A CN102994853A (en) | 2012-11-30 | 2012-11-30 | Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102994853A true CN102994853A (en) | 2013-03-27 |
Family
ID=47923958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105054719A Pending CN102994853A (en) | 2012-11-30 | 2012-11-30 | Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102994853A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180723A (en) * | 2016-08-24 | 2016-12-07 | 龙岩永发粉末冶金有限公司 | A kind of hard alloy extrusion process of natural drying |
| CN107999866A (en) * | 2017-11-30 | 2018-05-08 | 株洲三鑫硬质合金生产有限公司 | A kind of hard alloy disk cutting knife and its production technology |
| CN105039766B (en) * | 2015-08-05 | 2018-07-17 | 河源粤奥硬质合金有限公司 | A kind of cutting tip hard alloy and preparation method thereof |
| CN109868404A (en) * | 2019-03-27 | 2019-06-11 | 成都川硬合金材料有限责任公司 | A kind of hard alloy axle sleeve and preparation method thereof |
| CN109881072A (en) * | 2019-03-27 | 2019-06-14 | 四川川钨硬质合金有限公司 | A kind of hard alloy seal ring and preparation method thereof |
| CN110629096A (en) * | 2019-10-30 | 2019-12-31 | 株洲硬质合金集团有限公司 | Hard alloy peeling mold and preparation method thereof |
| GB2584791A (en) * | 2019-06-12 | 2020-12-16 | C4 Carbides Ltd | Carbide material for cutting devices and associated method of manufacture |
| CN113278898A (en) * | 2020-02-20 | 2021-08-20 | 河源富马硬质合金股份有限公司 | High-toughness polycrystalline hard alloy extrusion round rod and preparation method thereof |
| CN113957314A (en) * | 2021-09-17 | 2022-01-21 | 株洲索尔切削工具有限公司 | Hard alloy raw material, cutting tool hard alloy and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60110838A (en) * | 1983-11-16 | 1985-06-17 | Sumitomo Electric Ind Ltd | Sintered hard alloy and its production |
| JPH06172912A (en) * | 1992-12-09 | 1994-06-21 | Nachi Fujikoshi Corp | Tough cemented carbide |
| JP2009066741A (en) * | 2007-09-18 | 2009-04-02 | Mitsubishi Materials Corp | Cutting tool made of wc-based cemented carbide excellent in chipping resistance |
| CN101435048A (en) * | 2008-12-11 | 2009-05-20 | 上海材料研究所 | Sintered carbide tool material for processing manganese steel, preparation and use thereof |
-
2012
- 2012-11-30 CN CN2012105054719A patent/CN102994853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60110838A (en) * | 1983-11-16 | 1985-06-17 | Sumitomo Electric Ind Ltd | Sintered hard alloy and its production |
| JPH06172912A (en) * | 1992-12-09 | 1994-06-21 | Nachi Fujikoshi Corp | Tough cemented carbide |
| JP2009066741A (en) * | 2007-09-18 | 2009-04-02 | Mitsubishi Materials Corp | Cutting tool made of wc-based cemented carbide excellent in chipping resistance |
| CN101435048A (en) * | 2008-12-11 | 2009-05-20 | 上海材料研究所 | Sintered carbide tool material for processing manganese steel, preparation and use thereof |
Non-Patent Citations (1)
| Title |
|---|
| 史留勇等: "初始成分对梯度硬质合金微观组织及脱β层厚度的影响", 《中国有色金属学报》, vol. 22, no. 7, 31 July 2012 (2012-07-31), pages 1984 - 1990 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039766B (en) * | 2015-08-05 | 2018-07-17 | 河源粤奥硬质合金有限公司 | A kind of cutting tip hard alloy and preparation method thereof |
| CN106180723A (en) * | 2016-08-24 | 2016-12-07 | 龙岩永发粉末冶金有限公司 | A kind of hard alloy extrusion process of natural drying |
| CN107999866A (en) * | 2017-11-30 | 2018-05-08 | 株洲三鑫硬质合金生产有限公司 | A kind of hard alloy disk cutting knife and its production technology |
| CN109868404A (en) * | 2019-03-27 | 2019-06-11 | 成都川硬合金材料有限责任公司 | A kind of hard alloy axle sleeve and preparation method thereof |
| CN109881072A (en) * | 2019-03-27 | 2019-06-14 | 四川川钨硬质合金有限公司 | A kind of hard alloy seal ring and preparation method thereof |
| CN109881072B (en) * | 2019-03-27 | 2020-11-24 | 四川川钨硬质合金有限公司 | Hard alloy sealing ring and preparation method thereof |
| GB2584791A (en) * | 2019-06-12 | 2020-12-16 | C4 Carbides Ltd | Carbide material for cutting devices and associated method of manufacture |
| GB2584791B (en) * | 2019-06-12 | 2023-12-20 | C4 Carbides Ltd | Carbide material for cutting devices and associated method of manufacture |
| CN110629096A (en) * | 2019-10-30 | 2019-12-31 | 株洲硬质合金集团有限公司 | Hard alloy peeling mold and preparation method thereof |
| CN113278898A (en) * | 2020-02-20 | 2021-08-20 | 河源富马硬质合金股份有限公司 | High-toughness polycrystalline hard alloy extrusion round rod and preparation method thereof |
| CN113278898B (en) * | 2020-02-20 | 2022-09-09 | 河源富马硬质合金股份有限公司 | High-toughness polycrystalline hard alloy extrusion round rod and preparation method thereof |
| CN113957314A (en) * | 2021-09-17 | 2022-01-21 | 株洲索尔切削工具有限公司 | Hard alloy raw material, cutting tool hard alloy and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102994853A (en) | Hard alloy raw material, hard alloy for cutting tool as well as preparation method of hard alloy | |
| CN103014471B (en) | Hard alloy raw material, mining tool hard alloy and preparation method of mining tool hard alloy | |
| JP4257690B2 (en) | Sintered active metal powders and alloy powders for powder metallurgy applications, methods for their production and their use | |
| KR102079325B1 (en) | FeNi BINDER HAVING UNIVERSAL USABILITY | |
| CN102758112A (en) | Micron-nano WC-Co hard alloy, preparation process and application thereof | |
| CN109226742B (en) | Preparation method of superfine hard alloy injection molding feed | |
| CN103691929A (en) | Industrial powder metallurgy tool and manufacturing method thereof | |
| CN103540823A (en) | Hard alloy | |
| CN101008064A (en) | Whisker plasticizing tungsten carbide-cobalt base hard alloy material and its preparation process | |
| CN1847432A (en) | Sintered ferrovanadium alloy and its prepn process | |
| CN105132779A (en) | Tungsten-carbide-based cemented carbide and preparation method thereof | |
| CN102383019A (en) | Superfine crystalline Ti(C,N)-based cermet and preparation method thereof | |
| KR100778266B1 (en) | Method of making agglomerated cemented carbide powder mixtures | |
| CN101857943A (en) | Powder metallurgy spring steel composite material and preparation method thereof | |
| CN106702250B (en) | A kind of hard high-strength hard alloy saw blade and its processing method | |
| CN102699337A (en) | Method for synthesizing and preparing hard alloy powder by mixing original powder and regenerated powder | |
| CN104451217A (en) | Preparation method of ultrafine cemented carbide | |
| CN1321209C (en) | Method for mfg. W-Co-Ti hard alloy | |
| CN103320667A (en) | Cemented carbide and its preparation method | |
| JP2019116688A (en) | Powder high speed tool steel | |
| CN106270480A (en) | A kind of Prealloyed carcass powder | |
| CN103695750A (en) | Powder metallurgy alloy cutting tool and preparation method thereof | |
| CN105755362B (en) | A kind of high carbon and chromium powder metallurgy high-abrasive material and preparation method thereof | |
| CN103589930A (en) | Stainless-steel-bonded powder metallurgy tool and preparation method thereof | |
| CN102321837A (en) | High-hardness composite material for cutter and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130327 |