CN104874797A - 一种硬质合金功能梯度材料的成型方法 - Google Patents
一种硬质合金功能梯度材料的成型方法 Download PDFInfo
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- CN104874797A CN104874797A CN201510305122.6A CN201510305122A CN104874797A CN 104874797 A CN104874797 A CN 104874797A CN 201510305122 A CN201510305122 A CN 201510305122A CN 104874797 A CN104874797 A CN 104874797A
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- 239000000956 alloy Substances 0.000 title claims abstract description 171
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000000465 moulding Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title abstract description 34
- 150000001875 compounds Chemical class 0.000 claims abstract description 96
- 239000002131 composite material Substances 0.000 claims abstract description 65
- 239000000654 additive Substances 0.000 claims abstract description 60
- 238000005245 sintering Methods 0.000 claims abstract description 45
- 239000002994 raw material Substances 0.000 claims description 65
- 230000000996 additive effect Effects 0.000 claims description 59
- 239000002245 particle Substances 0.000 claims description 41
- -1 polyethylene Polymers 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims description 14
- 235000021355 Stearic acid Nutrition 0.000 claims description 14
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 14
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 14
- 239000012188 paraffin wax Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 229920001223 polyethylene glycol Polymers 0.000 claims description 14
- 239000008117 stearic acid Substances 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000005056 compaction Methods 0.000 claims description 7
- 238000005238 degreasing Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical group [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 26
- 239000000203 mixture Substances 0.000 abstract description 20
- 238000005299 abrasion Methods 0.000 abstract description 2
- 229910009043 WC-Co Inorganic materials 0.000 description 31
- 239000000843 powder Substances 0.000 description 21
- 239000000758 substrate Substances 0.000 description 21
- 238000009826 distribution Methods 0.000 description 19
- 238000004663 powder metallurgy Methods 0.000 description 16
- 238000002360 preparation method Methods 0.000 description 16
- 238000000498 ball milling Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 230000007704 transition Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000005275 alloying Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000004886 process control Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 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
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- 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
- B22F3/20—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
- B22F2003/208—Warm or hot 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
- B22F2207/00—Aspects of the compositions, gradients
- B22F2207/01—Composition gradients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
距表层距离(mm) | 0.2 | 0.5 | 0.8 | 1.0 | 1.2 | 1.8 |
HV | 1595 | 1438 | 1351 | 1310 | 1267 | 1190 |
换算为HRA | 91.6 | 90.4 | 89.7 | 89.2 | 88.6 | 88.0 |
距表层距离(mm) | 0.2 | 0.5 | 0.8 | 1.0 | 1.2 | 1.8 |
HV | 1510 | 1403 | 1357 | 1321 | 1263 | 1189 |
换算为HRA | 91.4 | 90.2 | 89.7 | 89.2 | 88.7 | 87.9 |
距表层距离(mm) | 0.2 | 0.5 | 0.8 | 1.0 | 1.2 | 1.8 |
HV | 1587 | 1448 | 1392 | 1320 | 1293 | 1219 |
换算为HRA | 91.7 | 90.5 | 89.9 | 89.2 | 88.9 | 88.2 |
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510305122.6A CN104874797B (zh) | 2015-06-05 | 2015-06-05 | 一种硬质合金功能梯度材料的成型方法 |
PCT/CN2015/084089 WO2016192177A1 (zh) | 2015-06-05 | 2015-07-15 | 一种硬质合金功能梯度材料的成型方法 |
US15/576,839 US20180161879A1 (en) | 2015-06-05 | 2015-07-15 | Hard alloy functionally graded material molding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510305122.6A CN104874797B (zh) | 2015-06-05 | 2015-06-05 | 一种硬质合金功能梯度材料的成型方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104874797A true CN104874797A (zh) | 2015-09-02 |
CN104874797B CN104874797B (zh) | 2017-08-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510305122.6A Active CN104874797B (zh) | 2015-06-05 | 2015-06-05 | 一种硬质合金功能梯度材料的成型方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20180161879A1 (zh) |
CN (1) | CN104874797B (zh) |
WO (1) | WO2016192177A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105127432A (zh) * | 2015-09-29 | 2015-12-09 | 浙江恒成硬质合金有限公司 | 一种梯度结构硬质合金的制备方法 |
CN108607999A (zh) * | 2018-06-14 | 2018-10-02 | 陕西理工大学 | 多层易焊大梯度硬质合金材料的制备方法 |
CN109434115A (zh) * | 2018-11-13 | 2019-03-08 | 歌尔股份有限公司 | 一种多层梯度硬质合金冲头 |
CN110181059A (zh) * | 2018-12-13 | 2019-08-30 | 苏州赛特锐精密机械配件有限公司 | 一种共注射近净成型制超细晶硬质合金刀具坯体的方法 |
CN114147227A (zh) * | 2021-12-10 | 2022-03-08 | 哈尔滨理工大学 | 基于竹纤维细胞壁环形多壁层结构仿生刀具及其制备方法 |
CN115198130A (zh) * | 2022-06-15 | 2022-10-18 | 上海离原环境科技有限公司 | 一种镍基碳化钨合金的制备方法 |
Families Citing this family (3)
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CN110387496B (zh) * | 2019-08-26 | 2021-07-20 | 广东技术师范大学 | 一种表层无TiC相的WC-TiC-Co基梯度硬质合金及其制备方法 |
CN112191840B (zh) * | 2020-09-21 | 2022-06-03 | 广东正信硬质材料技术研发有限公司 | 一种硬质合金用成型剂及其制备方法 |
CN113523278B (zh) * | 2021-05-20 | 2022-11-18 | 九江金鹭硬质合金有限公司 | 一种低应力硬质合金模具材料烧结方法 |
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JPH05156319A (ja) * | 1991-12-04 | 1993-06-22 | Souzou Kagaku:Kk | 径方向に傾斜機能層を形成した円筒状または円柱状セラ ミックスー金属系複合体およびその製造方法。 |
JPH07310103A (ja) * | 1994-05-12 | 1995-11-28 | Takata Kogyosho:Kk | 粉末冶金法による傾斜機能材料の製造方法 |
JPH0949005A (ja) * | 1995-08-09 | 1997-02-18 | Japan Steel Works Ltd:The | 傾斜機能材料の製造方法 |
JPH09241705A (ja) * | 1996-03-07 | 1997-09-16 | Toshiba Corp | 傾斜機能材料及びその製造方法 |
CN101838766A (zh) * | 2010-06-22 | 2010-09-22 | 华中科技大学 | 一种梯度结构金属陶瓷刀具及其制备方法 |
CN102199033A (zh) * | 2010-03-26 | 2011-09-28 | 迪亚摩弗股份公司 | 功能梯度材料形状及该形状的制造方法 |
CN103949647A (zh) * | 2014-04-01 | 2014-07-30 | 山东大学 | 一种自扩散梯度功能复合刀具材料及其制备方法 |
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US3862660A (en) * | 1970-12-10 | 1975-01-28 | Sakabe Industry Co Ltd | Durable mold of multilayer construction |
GB8622464D0 (en) * | 1986-09-18 | 1986-10-22 | British Petroleum Co Plc | Graded structure composites |
US5543235A (en) * | 1994-04-26 | 1996-08-06 | Sintermet | Multiple grade cemented carbide articles and a method of making the same |
US5880382A (en) * | 1996-08-01 | 1999-03-09 | Smith International, Inc. | Double cemented carbide composites |
CN1180907C (zh) * | 2003-06-18 | 2004-12-22 | 北京科技大学 | 一种钨铜梯度热沉材料及其制备方法 |
WO2005056854A1 (en) * | 2003-12-15 | 2005-06-23 | Sandvik Intellectual Property Ab | Cemented carbide tools for mining and construction applications and method of making the same |
JP5093662B2 (ja) * | 2005-12-13 | 2012-12-12 | 学校法人日本大学 | 生体用同心円状傾斜機能材料の製造方法及び装置 |
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CN101545058B (zh) * | 2009-05-07 | 2010-10-06 | 合肥工业大学 | 一种WC-Co梯度硬质合金材料的制备方法 |
CN102666054A (zh) * | 2009-12-25 | 2012-09-12 | 柯尼卡美能达先进多层薄膜株式会社 | 成型模具以及成型模具的制造方法 |
CN102672184B (zh) * | 2012-06-05 | 2015-08-12 | 赣县世瑞新材料有限公司 | 矿用纳米稀土表面强化梯度硬质合金复合球齿及其制备方法 |
CN102794053B (zh) * | 2012-08-21 | 2015-04-22 | 韶关市贝瑞过滤科技有限公司 | 梯度多层复合结构粉末烧结滤芯及其生产方法 |
KR102208400B1 (ko) * | 2012-09-27 | 2021-01-28 | 알로메트 코포레이션 | 경사 기능 재료로 이루어진 신규한 조성물을 갖는 금속 또는 세라믹 물품의 성형방법과 그 성형방법을 포함하는 물품 |
CN104946914B (zh) * | 2015-06-05 | 2018-09-04 | 西迪技术股份有限公司 | 一种金属基功能梯度复合材料的成型方法 |
-
2015
- 2015-06-05 CN CN201510305122.6A patent/CN104874797B/zh active Active
- 2015-07-15 WO PCT/CN2015/084089 patent/WO2016192177A1/zh active Application Filing
- 2015-07-15 US US15/576,839 patent/US20180161879A1/en not_active Abandoned
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CN105127432A (zh) * | 2015-09-29 | 2015-12-09 | 浙江恒成硬质合金有限公司 | 一种梯度结构硬质合金的制备方法 |
CN108607999A (zh) * | 2018-06-14 | 2018-10-02 | 陕西理工大学 | 多层易焊大梯度硬质合金材料的制备方法 |
CN108607999B (zh) * | 2018-06-14 | 2021-04-23 | 陕西理工大学 | 多层易焊大梯度硬质合金材料的制备方法 |
CN109434115A (zh) * | 2018-11-13 | 2019-03-08 | 歌尔股份有限公司 | 一种多层梯度硬质合金冲头 |
CN110181059A (zh) * | 2018-12-13 | 2019-08-30 | 苏州赛特锐精密机械配件有限公司 | 一种共注射近净成型制超细晶硬质合金刀具坯体的方法 |
CN114147227A (zh) * | 2021-12-10 | 2022-03-08 | 哈尔滨理工大学 | 基于竹纤维细胞壁环形多壁层结构仿生刀具及其制备方法 |
CN114147227B (zh) * | 2021-12-10 | 2022-10-11 | 哈尔滨理工大学 | 基于竹纤维细胞壁环形多壁层结构仿生刀具及其制备方法 |
CN115198130A (zh) * | 2022-06-15 | 2022-10-18 | 上海离原环境科技有限公司 | 一种镍基碳化钨合金的制备方法 |
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