CA2570671C - Method for consolidating tough coated hard powders - Google Patents
Method for consolidating tough coated hard powders Download PDFInfo
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- CA2570671C CA2570671C CA2570671A CA2570671A CA2570671C CA 2570671 C CA2570671 C CA 2570671C CA 2570671 A CA2570671 A CA 2570671A CA 2570671 A CA2570671 A CA 2570671A CA 2570671 C CA2570671 C CA 2570671C
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- intermediate layer
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- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B22F3/1035—Liquid phase sintering
-
- 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
- B22F1/16—Metallic particles coated with a non-metal
-
- 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
- B22F1/17—Metallic particles coated with metal
-
- 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
- B22F7/02—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 layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
- Chemically Coating (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2004/018445 WO2006001791A1 (en) | 2004-06-10 | 2004-06-10 | Method for consolidating tough coated hard powders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2570671A1 CA2570671A1 (en) | 2006-01-05 |
| CA2570671C true CA2570671C (en) | 2013-01-08 |
Family
ID=35782093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2570671A Expired - Lifetime CA2570671C (en) | 2004-06-10 | 2004-06-10 | Method for consolidating tough coated hard powders |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP1768804A4 (de) |
| JP (1) | JP2008502576A (de) |
| KR (1) | KR101215656B1 (de) |
| CN (1) | CN1997475B (de) |
| AU (1) | AU2004321077B2 (de) |
| BR (1) | BRPI0418870B1 (de) |
| CA (1) | CA2570671C (de) |
| IL (1) | IL179667A (de) |
| MX (1) | MXPA06013640A (de) |
| NO (1) | NO20070168L (de) |
| RU (1) | RU2366539C9 (de) |
| SA (1) | SA05260249B1 (de) |
| WO (1) | WO2006001791A1 (de) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9682425B2 (en) * | 2009-12-08 | 2017-06-20 | Baker Hughes Incorporated | Coated metallic powder and method of making the same |
| KR101831754B1 (ko) | 2009-08-04 | 2018-02-23 | 알로메트 코포레이션 | 인성 매트릭스 재료 중에 강화된 인성 코팅 경화 입자 |
| CN102059663B (zh) * | 2009-11-13 | 2014-08-13 | 沈阳中科超硬磨具磨削研究所 | 一种用于汽车喷油嘴磨削的cbn微型陶瓷砂轮制备方法 |
| KR101118614B1 (ko) * | 2009-11-20 | 2012-02-27 | 한국생산기술연구원 | 나노 입자를 이용한 이종 소재간 복합체 제조방법 및 이를 이용하여 제조되는 이종 소재간 복합체 |
| CN102191447A (zh) * | 2010-03-09 | 2011-09-21 | 中国科学院上海硅酸盐研究所 | 一种碳化钨钴-铜-二硫化钼自润滑耐磨涂层及其制备方法 |
| CN101829781A (zh) * | 2010-05-26 | 2010-09-15 | 四川大学 | 无活性中间层的硬质合金与钢的连接方法 |
| US9752988B2 (en) * | 2010-06-14 | 2017-09-05 | The Regents Of The University Of Michigan | In-situ identification and control of microstructures produced by phase transformation of a material |
| CN101941843B (zh) * | 2010-08-16 | 2012-11-21 | 山东大学 | 热压烧结TiB2-TiC-WC超硬材料及制备方法 |
| US20130031794A1 (en) | 2011-08-05 | 2013-02-07 | Duff Jr Ronald Richard | RAZOR BLADES WITH ALUMINUM MAGNESIUM BORIDE (AlMgB14)-BASED COATINGS |
| CN102296198A (zh) * | 2011-10-12 | 2011-12-28 | 北京科技大学 | 一种纳米碳化钽弥散强化钨块体材料的制备方法 |
| US9505064B2 (en) | 2011-11-16 | 2016-11-29 | Kennametal Inc. | Cutting tool having at least partially molded body and method of making same |
| JP2013108152A (ja) * | 2011-11-24 | 2013-06-06 | Sumitomo Electric Ind Ltd | 硬質粒子とその製造方法 |
| JP5906813B2 (ja) * | 2012-02-29 | 2016-04-20 | 住友電気工業株式会社 | 硬質材料、並びに切削工具 |
| PT2900404T (pt) * | 2012-09-27 | 2021-11-16 | Allomet Corp | Métodos de formação de um artigo metálico ou cerâmico tendo uma nova composição de material de graduação funcional |
| JP5799969B2 (ja) * | 2013-03-22 | 2015-10-28 | 住友電気工業株式会社 | セラミックス結晶粒子、セラミックス焼結体およびそれらの製造方法 |
| IN2013CH04500A (de) | 2013-10-04 | 2015-04-10 | Kennametal India Ltd | |
| US10030292B2 (en) * | 2014-05-26 | 2018-07-24 | Hrl Laboratories, Llc | Hydride-coated microparticles and methods for making the same |
| CN104195362B (zh) * | 2014-08-15 | 2016-08-24 | 北京工业大学 | 一种高硼耐磨蚀合金制备方法 |
| CN104313444B (zh) * | 2014-09-30 | 2016-09-14 | 宁夏康诚机电产品设计有限公司 | 一种钴包覆型钛硬质合金材料及其制备方法 |
| CN104532052A (zh) * | 2014-11-20 | 2015-04-22 | 张哲� | 一种重载高速粉末冶金刹车材料及其制备工艺 |
| CN111618300B (zh) * | 2014-12-12 | 2022-08-05 | 美题隆公司 | 一种制品及其形成方法 |
| CN104630589B (zh) * | 2015-02-12 | 2016-08-31 | 成都邦普切削刀具股份有限公司 | 一种碳化钨包覆的复合硬质合金材料及其制备方法 |
| WO2017100734A1 (en) | 2015-12-11 | 2017-06-15 | Smith International, Inc. | Cutting elements with wear resistant surfaces |
| GB201522503D0 (en) | 2015-12-21 | 2016-02-03 | Element Six Gmbh | Method of manufacturing a cemented carbide material |
| US10287824B2 (en) | 2016-03-04 | 2019-05-14 | Baker Hughes Incorporated | Methods of forming polycrystalline diamond |
| CN110267759B (zh) * | 2017-02-06 | 2022-11-11 | 加利福尼亚大学董事会 | 四硼化钨复合基质和其用途 |
| CN110337347B (zh) | 2017-02-28 | 2022-07-12 | 3M创新有限公司 | 金属粘结磨料制品及制备金属粘结磨料制品的方法 |
| KR20190131488A (ko) * | 2017-03-22 | 2019-11-26 | 미쓰비시 마테리알 가부시키가이샤 | 다이아몬드 피복 초경합금 절삭 공구 |
| US11292750B2 (en) | 2017-05-12 | 2022-04-05 | Baker Hughes Holdings Llc | Cutting elements and structures |
| US11396688B2 (en) | 2017-05-12 | 2022-07-26 | Baker Hughes Holdings Llc | Cutting elements, and related structures and earth-boring tools |
| WO2019104186A1 (en) * | 2017-11-22 | 2019-05-31 | Forge Nano, Inc. | Manufacturing of workpieces having nanostructured phases from functionalized powder feedstocks |
| US11536091B2 (en) | 2018-05-30 | 2022-12-27 | Baker Hughes Holding LLC | Cutting elements, and related earth-boring tools and methods |
| JP7181827B2 (ja) * | 2019-03-28 | 2022-12-01 | 三菱マテリアル電子化成株式会社 | アルミナにより被覆された窒化ジルコニウム粉末及びその製造方法 |
| CN110004441A (zh) * | 2019-04-12 | 2019-07-12 | 水利部杭州机械设计研究所 | 一种Fe基合金WC/TiC/TaC/Re复合粉末配方、涂层及其制备工艺 |
| CN109825833A (zh) * | 2019-04-12 | 2019-05-31 | 上海海事大学 | 一种稀土改性WC-Ni基涂层及其制备方法 |
| CN110358990B (zh) * | 2019-07-04 | 2020-07-28 | 西安理工大学 | 一种热压烧结二硼化钛增强铜基复合材料的后处理方法 |
| KR102318672B1 (ko) * | 2019-10-29 | 2021-11-01 | (주)에디코 | 입방정 질화붕소 입자 및 그 제조방법 |
| CN111748814A (zh) * | 2020-06-24 | 2020-10-09 | 安徽震祥精工科技有限公司 | 一种压铸铝材表面钛合金涂层处理方法 |
| CN112921198A (zh) * | 2021-01-08 | 2021-06-08 | 晋城鸿刃科技有限公司 | 超粗晶粒硬质合金的制备方法 |
| CN114951640B (zh) * | 2022-05-12 | 2023-04-25 | 广东工业大学 | 一种基于激光打印氮化物颗粒及其制备方法和应用 |
| CN114774759B (zh) * | 2022-06-20 | 2022-09-16 | 太原理工大学 | 一种层状梯度SiC陶瓷增强铁基耐磨材料及其制备方法 |
| CN115012011A (zh) * | 2022-06-24 | 2022-09-06 | 赣州海盛硬质合金有限公司 | 一种硬质合金表面纳米涂层及其制备方法 |
| CN116410008B (zh) * | 2023-04-24 | 2024-05-28 | 鞍山市和丰耐火材料有限公司 | 一种高寿命低碳镁碳砖及其制备方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2370242A (en) * | 1943-01-15 | 1945-02-27 | Mallory & Co Inc P R | Refractory metal composition |
| US3019103A (en) * | 1957-11-04 | 1962-01-30 | Du Pont | Process for producing sintered metals with dispersed oxides |
| SE329799B (de) * | 1969-02-07 | 1970-10-19 | Nordstjernan Rederi Ab | |
| US3871840A (en) * | 1972-01-24 | 1975-03-18 | Christensen Diamond Prod Co | Abrasive particles encapsulated with a metal envelope of allotriomorphic dentrites |
| US3971656A (en) * | 1973-06-18 | 1976-07-27 | Erwin Rudy | Spinodal carbonitride alloys for tool and wear applications |
| GB1574007A (en) * | 1975-12-24 | 1980-09-03 | Johnson Matthey Co Ltd | Cermets |
| DE3546113A1 (de) * | 1985-12-24 | 1987-06-25 | Santrade Ltd | Verbundpulverteilchen, verbundkoerper und verfahren zu deren herstellung |
| DE58904666D1 (de) * | 1988-12-16 | 1993-07-15 | Krupp Widia Gmbh | Hartmetallverbundkoerper und verfahren zu seiner herstellung. |
| SE9004123D0 (sv) * | 1990-12-21 | 1990-12-21 | Sandvik Ab | Diamantimpregnerat haardmaterial |
| US5106392A (en) * | 1991-03-14 | 1992-04-21 | General Electric Company | Multigrain abrasive particles |
| US5232469A (en) * | 1992-03-25 | 1993-08-03 | General Electric Company | Multi-layer metal coated diamond abrasives with an electrolessly deposited metal layer |
| JP3309897B2 (ja) * | 1995-11-15 | 2002-07-29 | 住友電気工業株式会社 | 超硬質複合部材およびその製造方法 |
| US5876793A (en) * | 1996-02-21 | 1999-03-02 | Ultramet | Fine powders and method for manufacturing |
| JP3686167B2 (ja) * | 1996-06-10 | 2005-08-24 | 日鉄鉱業株式会社 | 多層膜被覆粉体 |
| WO1998051419A1 (en) * | 1997-05-13 | 1998-11-19 | Richard Edmund Toth | Tough-coated hard powders and sintered articles thereof |
| US20040052984A1 (en) * | 1997-05-13 | 2004-03-18 | Toth Richard E. | Apparatus and method of treating fine powders |
| JP2001040446A (ja) * | 1998-08-25 | 2001-02-13 | Sumitomo Electric Ind Ltd | ダイヤモンド含有硬質部材及びその製造方法 |
| JP2000144299A (ja) * | 1998-08-25 | 2000-05-26 | Sumitomo Electric Ind Ltd | ダイヤモンド含有硬質部材及びその製造方法 |
| JP4004675B2 (ja) * | 1999-01-29 | 2007-11-07 | 株式会社日清製粉グループ本社 | 酸化物被覆金属微粒子の製造方法 |
| JP2000328170A (ja) * | 1999-05-20 | 2000-11-28 | Sumitomo Electric Ind Ltd | 立方晶窒化硼素含有硬質部材及びその製造方法 |
| JP3825347B2 (ja) * | 2002-03-22 | 2006-09-27 | 京セラ株式会社 | 複合構造体 |
| US6911063B2 (en) * | 2003-01-13 | 2005-06-28 | Genius Metal, Inc. | Compositions and fabrication methods for hardmetals |
-
2004
- 2004-06-10 MX MXPA06013640A patent/MXPA06013640A/es active IP Right Grant
- 2004-06-10 EP EP04776430A patent/EP1768804A4/de not_active Withdrawn
- 2004-06-10 JP JP2007527166A patent/JP2008502576A/ja active Pending
- 2004-06-10 CN CN2004800437747A patent/CN1997475B/zh not_active Expired - Fee Related
- 2004-06-10 RU RU2006145849/02A patent/RU2366539C9/ru not_active IP Right Cessation
- 2004-06-10 KR KR1020077000589A patent/KR101215656B1/ko active IP Right Grant
- 2004-06-10 WO PCT/US2004/018445 patent/WO2006001791A1/en active Application Filing
- 2004-06-10 AU AU2004321077A patent/AU2004321077B2/en not_active Ceased
- 2004-06-10 CA CA2570671A patent/CA2570671C/en not_active Expired - Lifetime
- 2004-06-10 BR BRPI0418870-5A patent/BRPI0418870B1/pt not_active IP Right Cessation
-
2005
- 2005-08-10 SA SA5260249A patent/SA05260249B1/ar unknown
-
2006
- 2006-11-28 IL IL179667A patent/IL179667A/en not_active IP Right Cessation
-
2007
- 2007-01-10 NO NO20070168A patent/NO20070168L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR101215656B1 (ko) | 2013-01-10 |
| CN1997475A (zh) | 2007-07-11 |
| JP2008502576A (ja) | 2008-01-31 |
| IL179667A (en) | 2016-12-29 |
| CN1997475B (zh) | 2010-09-29 |
| EP1768804A1 (de) | 2007-04-04 |
| RU2366539C9 (ru) | 2010-02-10 |
| KR20070044430A (ko) | 2007-04-27 |
| IL179667A0 (en) | 2007-05-15 |
| MXPA06013640A (es) | 2007-05-16 |
| AU2004321077A1 (en) | 2006-01-05 |
| AU2004321077B2 (en) | 2011-06-23 |
| BRPI0418870A (pt) | 2007-11-27 |
| RU2366539C2 (ru) | 2009-09-10 |
| CA2570671A1 (en) | 2006-01-05 |
| BRPI0418870B1 (pt) | 2014-04-15 |
| NO20070168L (no) | 2007-01-10 |
| RU2006145849A (ru) | 2008-07-20 |
| EP1768804A4 (de) | 2010-09-15 |
| SA05260249B1 (ar) | 2008-06-03 |
| WO2006001791A1 (en) | 2006-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |