CN116103555A - Regenerated hard alloy extruded round bar material and preparation process thereof - Google Patents
Regenerated hard alloy extruded round bar material and preparation process thereof Download PDFInfo
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- CN116103555A CN116103555A CN202310064371.5A CN202310064371A CN116103555A CN 116103555 A CN116103555 A CN 116103555A CN 202310064371 A CN202310064371 A CN 202310064371A CN 116103555 A CN116103555 A CN 116103555A
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- hard alloy
- round bar
- cemented carbide
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- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 39
- 239000011701 zinc Substances 0.000 claims abstract description 39
- 238000002844 melting Methods 0.000 claims abstract description 27
- 230000008018 melting Effects 0.000 claims abstract description 27
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 20
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 238000001694 spray drying Methods 0.000 claims abstract description 13
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 12
- 239000010941 cobalt Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007873 sieving Methods 0.000 claims abstract description 10
- 238000001238 wet grinding Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 12
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- 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
- C22C29/08—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 based on tungsten carbide
-
- 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
- B22F3/10—Sintering only
-
- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- 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
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention provides a regenerated hard alloy extrusion round bar material and a preparation process, relates to the technical field of hard alloys, and solves the problem that the scrapped hard alloy material cannot be effectively recycled in the prior art. A recycled cemented carbide extruded round bar material comprising, in mass fractions: 70-80% of hard alloy round bar zinc melting stock, 17-26% of hard alloy top hammer zinc melting stock, 2-3% of cobalt powder and 1.0% of inhibitor; a preparation process of a regenerated hard alloy extruded round bar material comprises the following process steps: s1, mixing and wet grinding; s2, sieving, spray drying and granulating; s3, extrusion molding; s4, sintering. According to the invention, the hard alloy waste is used as a raw material, so that on one hand, the recycling of resources can be realized, and on the other hand, the price of the product is reduced on the premise of ensuring the quality of the product; the inhibitor and the cobalt material in the formula can be used for producing products with high toughness and wear resistance; and meets the requirements of the market on high quality and low price.
Description
Technical Field
The invention relates to the technical field of hard alloy, in particular to a regenerated hard alloy extrusion round bar material and a preparation process thereof.
Background
The hard alloy round bar has better performance in the aspects of hardness, strength, wear resistance and corrosion resistance, or is called as an industrial tooth, and is often used for manufacturing cutting tools, cutters, drilling tools and wear-resistant parts, such as aerospace machining metallurgy, petroleum drilling, mine tools, electronic communication, building materials and the like. The market demand of the hard alloy round bar is continuously increased, and meanwhile, the market also continuously puts demands on the hard alloy round bar material, for example, tungsten is a rare non-renewable metal resource, the price is continuously increased, the market competition is vigorous, the demand quality is good, the price is low, and meanwhile, the hard alloy round bar material is difficult to achieve. However, many hard alloy materials such as a scrapped hard alloy milling cutter, a drill bit and a scrapped hard alloy round bar in the production process exist in the market every year, so that effective utilization cannot be performed, and huge waste is caused.
Disclosure of Invention
The invention provides a regenerated hard alloy extrusion round bar material and a preparation process thereof, which solve the problem that the scrapped hard alloy material cannot be effectively recycled in the prior art.
The technical scheme of the invention is realized as follows:
the invention firstly provides a regenerated hard alloy extrusion round bar material, which comprises the following components in percentage by mass: 70-80% of hard alloy round bar zinc melting stock, 17-26% of hard alloy top hammer zinc melting stock, 2-3% of cobalt powder and 1.0% of inhibitor.
As a further technical scheme, the hard alloy round rod zinc melting material is a mixture of tungsten carbide and cobalt prepared by a zinc melting method of hard alloy waste materials.
As a further technical scheme, the average granularity of the zinc melt of the hard alloy round bar is 0.6-0.8 um.
As a further technical scheme, the hard alloy top hammer zinc melting material is a mixture of tungsten carbide and cobalt prepared from hard alloy waste by adopting a top hammer zinc melting method.
As a further technical scheme, the grain size of the tungsten carbide is between 1.0 and 1.5um, the content of the tungsten carbide is between 92 and 94 percent, and the content of cobalt is between 6 and 8 percent.
As a further technical scheme, the average granularity of the zinc melting material of the hard alloy top hammer is 1.0-1.5 um.
As a further technical scheme, the inhibitor is VC or Cr 3 C 2 。
As a further embodiment, the inhibitor comprises VC and Cr 3 C 2 VC and Cr 3 C 2 Weight ratio 1:5.
the invention further provides a preparation process of the regenerated hard alloy extruded round bar material, which comprises the following steps:
s1, mixing and wet grinding:
1) According to mass fraction, 70-80% of hard alloy round bar zinc melting material, 17-26% of hard alloy top hammer material, 2-3% of cobalt powder and 1% of inhibitor are respectively put into a wet mill to be mixed;
2) Ethanol with the concentration of more than or equal to 99.5 percent is added, and paraffin with the mass of 0.5 percent of the mixture is added as a grinding medium to be added into a wet mill;
3) Wet milling for 24-36 hours to obtain wet milling slurry;
s2, sieving, spray drying and granulating:
1) And (3) sieving: sieving the wet ground slurry by using a 2-layer 400-mesh stainless steel screen;
2) Granulating by spray drying: spraying the screened slurry into a spray drying tower to be dried by high pressure to prepare a mixed material with the particle size of 80-100 meshes;
s3, extrusion molding:
placing the mixed material subjected to spray drying and granulating into an extruder to press into extrusion round bars with different outer diameters;
s4, sintering:
1) Placing the extruded round bar into a pressure sintering furnace for sintering at 1410-1430 ℃ for 60-90 min under the pressure of 4-6 Mpa;
2) Cooling to normal temperature after sintering, discharging the pressure, and discharging.
As a further technical scheme, the total mass ratio of the hard alloy grinding balls in the wet mill to the round bar zinc melt, the top hammer zinc melt, the cobalt powder and the inhibitor is 4:1.
The invention has the beneficial effects that:
1. according to the regenerated hard alloy extrusion round bar material, the hard alloy round bar zinc melting material and the hard alloy top hammer zinc melting material which are prepared from hard alloy waste materials are adopted, so that on one hand, the recycling of resources can be realized, and on the other hand, the price of a product is reduced on the premise of ensuring the quality of the product; the inhibitor and the cobalt material in the formula can be used for producing products with high toughness and wear resistance; the hard alloy round bar product can save resources, realize the recycling of hard alloy waste materials, and meet the requirements of high quality and low price in the market.
2. The preparation process of the regenerated hard alloy extruded round bar material has the advantages of simple and reliable process, high production efficiency and high quality of the produced product.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a preparation process diagram of example 2.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A recycled cemented carbide extruded round bar material comprising, in mass fractions: 70-80% of hard alloy round bar zinc melting stock, 17-26% of hard alloy top hammer zinc melting stock, 2-3% of cobalt powder and 1.0% of inhibitor.
As a further technical scheme, the hard alloy round bar zinc melting material is a mixture of tungsten carbide and cobalt prepared by adopting a zinc melting method for hard alloy waste, the average granularity of the hard alloy round bar zinc melting material is 0.6-0.8 um, the grain size of the tungsten carbide is 1.0-1.5 um, wherein the content of the tungsten carbide is 92-94%, and the content of the cobalt is 6-8%. Wherein the hard alloy waste material comprises used waste hard alloy milling cutters, drill bits or hard alloy round bars scrapped in the production process, and the like.
As a further technical scheme, the hard alloy top hammer zinc melting material is a mixture of tungsten carbide and cobalt prepared by adopting a top hammer zinc melting method from hard alloy waste, and the average granularity of the hard alloy top hammer zinc melting material is 1.0-1.5 um.
As a further technical scheme, the inhibitor is VC or Cr 3 C 2 The method comprises the steps of carrying out a first treatment on the surface of the The inhibitor comprises VC and Cr 3 C 2 VC and Cr in inhibitor 3 C 2 Weight ratio 1:5.
according to the embodiment, the hard alloy round bar zinc melting stock and the hard alloy top hammer zinc melting stock which are prepared by taking hard alloy waste materials as raw materials can realize the recycling of resources on one hand, and the price of the product is reduced on the premise of ensuring the quality of the product on the other hand; the inhibitor and the cobalt material in the formula can be used for producing products with high toughness and wear resistance; the hard alloy round bar product can save resources, realize the recycling of hard alloy waste materials, and meet the requirements of high quality and low price in the market.
Example 2
Referring to fig. 1, a process for preparing a regenerated cemented carbide extruded round bar material comprises the following steps:
s1, mixing and wet grinding:
1) According to mass fraction, 70-80% of hard alloy round bar zinc melting material, 17-26% of hard alloy top hammer material, 2-3% of cobalt powder and 1% of inhibitor are respectively put into a wet mill to be mixed;
2) Ethanol with the concentration of more than or equal to 99.5 percent is added, and paraffin with the mass of 0.5 percent of the mixture is added as a grinding medium to be added into a wet mill;
3) Wet milling for 24-36 hours to obtain wet milling slurry;
s2, sieving, spray drying and granulating:
1) And (3) sieving: sieving the wet ground slurry by using a 2-layer 400-mesh stainless steel screen;
2) Granulating by spray drying: spraying the screened slurry into a spray drying tower to be dried by high pressure to prepare a mixed material with the particle size of 80-100 meshes;
s3, extrusion molding:
placing the mixed material subjected to spray drying and granulating into an extruder to press into extrusion round bars with different outer diameters;
s4, sintering:
1) Placing the extruded round bar into a pressure sintering furnace for sintering at 1410-1430 ℃ for 60-90 min under the pressure of 4-6 Mpa;
2) Cooling to normal temperature after sintering, discharging the pressure, and discharging.
As a further technical scheme, the total mass ratio of the hard alloy grinding balls in the wet mill to the round bar zinc melt, the top hammer zinc melt, the cobalt powder and the inhibitor is 4:1.
The preparation process of the embodiment is simple and reliable, the production efficiency is high, and the quality of the produced product is high.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A recycled cemented carbide extruded round bar material, comprising, in mass fractions: 70-80% of hard alloy round bar zinc melting stock, 17-26% of hard alloy top hammer zinc melting stock, 2-3% of cobalt powder and 1.0% of inhibitor.
2. The regenerated cemented carbide extruded round bar material according to claim 1, wherein the cemented carbide round bar zinc melt is a mixture of tungsten carbide and cobalt prepared by a zinc melting method from cemented carbide scrap.
3. The recycled cemented carbide extruded round rod material of claim 2, wherein the cemented carbide round rod zinc melt has an average particle size of 0.6 to 0.8um.
4. The regenerated cemented carbide extruded round bar material of claim 1, wherein the cemented carbide top hammer zinc melt is a mixture of tungsten carbide and cobalt prepared from cemented carbide scrap by a top hammer zinc melt method.
5. The regenerated cemented carbide extruded round bar material according to claim 4, wherein the grain size of the tungsten carbide is between 1.0 and 1.5um, the content of the tungsten carbide is between 92 and 94%, and the content of the cobalt is between 6 and 8%.
6. The regenerated cemented carbide extruded round rod material according to claim 4, wherein the cemented carbide top hammer zinc melt has an average particle size of 1.0 to 1.5um.
7. A recycled cemented carbide extruded round rod material according to claim 1, wherein the inhibitor is VC or Cr 3 C 2 。
8. The recycled cemented carbide extruded round stick material of claim 1, wherein the inhibitor comprises VC and Cr 3 C 2 VC and Cr 3 C 2 Weight ratio 1:5.
9. the preparation process of the regenerated hard alloy extruded round bar material is characterized by comprising the following steps of:
s1, mixing and wet grinding:
1) According to mass fraction, 70-80% of hard alloy round bar zinc melting material, 17-26% of hard alloy top hammer material, 2-3% of cobalt powder and 1% of inhibitor are respectively put into a wet mill to be mixed;
2) Ethanol with the concentration of more than or equal to 99.5 percent is added, and paraffin with the mass of 0.5 percent of the mixture is added as a grinding medium to be added into a wet mill;
3) Wet milling for 24-36 hours to obtain wet milling slurry;
s2, sieving, spray drying and granulating:
1) And (3) sieving: sieving the wet ground slurry by using a 2-layer 400-mesh stainless steel screen;
2) Granulating by spray drying: spraying the screened slurry into a spray drying tower to be dried by high pressure to prepare a mixed material with the particle size of 80-100 meshes;
s3, extrusion molding:
placing the mixed material subjected to spray drying and granulating into an extruder to press into extrusion round bars with different outer diameters;
s4, sintering:
1) Placing the extruded round bar into a pressure sintering furnace for sintering at 1410-1430 ℃ for 60-90 min under the pressure of 4-6 Mpa;
2) Cooling to normal temperature after sintering, discharging the pressure, and discharging.
10. The process for preparing the regenerated cemented carbide extruded round rod material according to claim 9, wherein the process comprises the steps of: the total mass ratio of the hard alloy grinding balls in the wet mill to the round bar zinc melt, the top hammer zinc melt, the cobalt powder and the inhibitor is 4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310064371.5A CN116103555A (en) | 2023-01-13 | 2023-01-13 | Regenerated hard alloy extruded round bar material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310064371.5A CN116103555A (en) | 2023-01-13 | 2023-01-13 | Regenerated hard alloy extruded round bar material and preparation process thereof |
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| CN116103555A true CN116103555A (en) | 2023-05-12 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485450A (en) * | 2003-04-11 | 2004-03-31 | 自贡硬质合金有限责任公司 | Method for producing WC-Fe composite powder of ultra fine grain by tungsten alloy scrap |
| KR20070015256A (en) * | 2005-07-30 | 2007-02-02 | 한국기계연구원 | Process for manufacturing sintered materials containing cobalt component |
| JP2011006735A (en) * | 2009-06-25 | 2011-01-13 | Kyocera Corp | Method for regenerating cemented carbide |
| KR20120028490A (en) * | 2010-09-15 | 2012-03-23 | 한국세라믹기술원 | Recycling method of tungsten carbide from waste cemented carbide using pressured zinc melt |
| CN103290226A (en) * | 2013-06-20 | 2013-09-11 | 北京工业大学 | Method for recovering and regenerating ultrafine grained cemented carbide containing crystal grain growth inhibitor |
| CN104384517A (en) * | 2014-11-03 | 2015-03-04 | 厦门昱锐钨钢工具有限公司 | Method for preparing hard alloy zinc molten material bar |
| CN109022872A (en) * | 2018-09-21 | 2018-12-18 | 技锋精密刀具（马鞍山）有限公司 | A kind of hard alloy cutting tool material and preparation method thereof |
| CN111763864A (en) * | 2020-07-10 | 2020-10-13 | 山东三钻硬质合金有限公司 | Method for controlling grain size of WC-Co hard alloy reclaimed material |
-
2023
- 2023-01-13 CN CN202310064371.5A patent/CN116103555A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485450A (en) * | 2003-04-11 | 2004-03-31 | 自贡硬质合金有限责任公司 | Method for producing WC-Fe composite powder of ultra fine grain by tungsten alloy scrap |
| KR20070015256A (en) * | 2005-07-30 | 2007-02-02 | 한국기계연구원 | Process for manufacturing sintered materials containing cobalt component |
| JP2011006735A (en) * | 2009-06-25 | 2011-01-13 | Kyocera Corp | Method for regenerating cemented carbide |
| KR20120028490A (en) * | 2010-09-15 | 2012-03-23 | 한국세라믹기술원 | Recycling method of tungsten carbide from waste cemented carbide using pressured zinc melt |
| CN103290226A (en) * | 2013-06-20 | 2013-09-11 | 北京工业大学 | Method for recovering and regenerating ultrafine grained cemented carbide containing crystal grain growth inhibitor |
| CN104384517A (en) * | 2014-11-03 | 2015-03-04 | 厦门昱锐钨钢工具有限公司 | Method for preparing hard alloy zinc molten material bar |
| CN109022872A (en) * | 2018-09-21 | 2018-12-18 | 技锋精密刀具（马鞍山）有限公司 | A kind of hard alloy cutting tool material and preparation method thereof |
| CN111763864A (en) * | 2020-07-10 | 2020-10-13 | 山东三钻硬质合金有限公司 | Method for controlling grain size of WC-Co hard alloy reclaimed material |
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