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ES2075712T3 - Un proceso de reaccion carbo-termica para producir polvos de wc-co en nano-fase. - Google Patents

Un proceso de reaccion carbo-termica para producir polvos de wc-co en nano-fase.

Info

Publication number
ES2075712T3
ES2075712T3 ES92917865T ES92917865T ES2075712T3 ES 2075712 T3 ES2075712 T3 ES 2075712T3 ES 92917865 T ES92917865 T ES 92917865T ES 92917865 T ES92917865 T ES 92917865T ES 2075712 T3 ES2075712 T3 ES 2075712T3
Authority
ES
Spain
Prior art keywords
processing
reaction process
powders
reaction
produce
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.)
Expired - Lifetime
Application number
ES92917865T
Other languages
English (en)
Inventor
Larry E Mccandlish
Bernard H Kear
Byoung-Kee Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rutgers State University of New Jersey
Original Assignee
Rutgers State University of New Jersey
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rutgers State University of New Jersey filed Critical Rutgers State University of New Jersey
Application granted granted Critical
Publication of ES2075712T3 publication Critical patent/ES2075712T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Composite Materials (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

SE DESCRIBE UN NUEVO PROCESO DE REACCION CARBOTERMICA PARA EL PROCESAMIENTO TERMOQUIMICO DE POLVOS DE WC-CO DE NANOFASE. EL PROCESO PERMITE TIEMPOS MAS CORTOS DE REACCION, TEMPERATURAS REDUCIDAS Y MICROESTRUCTURAS MAS FINAS, SI SE COMPARAN CON METODOS CONVENCIONALES DE PROCESAMIENTO. EL PROCESO CUENTA CON NUESTRA EXPERIENCIA CON PROCESAMIENTO [1] DE CONVERSION POR ASPERSION, PERO IMPLICA 1) REACCION DE INFILTRACION DE VAPOR QUIMICO DEL CARBONO INFILTRANTE EN SUSTRATO DE PARTICULAS, PARA FORMAR WC-CO; Y 2) LA EXTRACCION DE TODO EXCESO (NO REACCIONADO) DE CARBONO MEDIANTE GASIFICACION CONTROLADA. UNA CARACTERISTICA DEL PROCESO DE REACCION CARBOTERMICO CONSISTE EN SU ADAPTABILIDAD A LA TECNOLOGIA DE PROCESAMIENTO DE WC-CO CONVENCIONAL, ASI COMO A LA TECNOLOGIA DE PROCESAMIENTO DE CONVERSION POR ASPERSION. LAS PARTICULAS DE POLVO RESULTANTES ESTAN FORMADAS POR UNA RED DE GRANOS FINOS (MENOS DE 100 NM) DE WC Y CO, CON POROSIDAD FINA INTERCONECTADA. LAS PARTICULAS DE POLVO ADECUADAS PARA POSTERIOR MANIPULACION Y CONSOLIDACION SE PRODUCEN FACILMENTE CON DIAMETROS MAYORES DE 10 MICRONES.
ES92917865T 1991-08-07 1992-08-06 Un proceso de reaccion carbo-termica para producir polvos de wc-co en nano-fase. Expired - Lifetime ES2075712T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74132791A 1991-08-07 1991-08-07

Publications (1)

Publication Number Publication Date
ES2075712T3 true ES2075712T3 (es) 1995-10-01

Family

ID=24980273

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92917865T Expired - Lifetime ES2075712T3 (es) 1991-08-07 1992-08-06 Un proceso de reaccion carbo-termica para producir polvos de wc-co en nano-fase.

Country Status (10)

Country Link
EP (1) EP0598040B1 (es)
JP (1) JPH07500804A (es)
KR (1) KR100196244B1 (es)
AT (1) ATE123478T1 (es)
AU (1) AU2430992A (es)
CA (1) CA2114639C (es)
DE (1) DE69202862T2 (es)
ES (1) ES2075712T3 (es)
WO (1) WO1993002962A1 (es)
ZA (1) ZA925955B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504730C2 (sv) * 1994-11-16 1997-04-14 Sandvik Ab Metod att tillverka pulver av ett komplext ammoniumsalt av W och Co och/eller Ni
AT403775B (de) * 1995-10-31 1998-05-25 Plansee Ag Verfahren zur reduktion von metallverbindungen
AT404002B (de) * 1996-07-15 1998-07-27 Thule Ind Ab Zusammenklappbarer exzenterspannhebel
AT404912B (de) * 1996-11-04 1999-03-25 Plansee Ag Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall
DE19852459A1 (de) * 1998-11-13 2000-05-18 Starck H C Gmbh Co Kg Verfahren zur Herstellung von Wolframkarbiden durch Gasphasenkarburierung
AT3064U1 (de) 1998-12-28 1999-09-27 Plansee Tizit Gmbh Gaskarburierungsverfahren zur herstellung von reinem wc-pulver
CN1796029B (zh) 2001-07-30 2010-05-26 三菱麻铁里亚尔株式会社 微粒碳化钨粉末
KR100586852B1 (ko) * 2002-11-12 2006-06-07 학교법인 영남학원 산화텡스텐의 환원-탄화공정의 효율개선방법
JP4651565B2 (ja) * 2006-03-28 2011-03-16 京セラ株式会社 超硬合金粉末の製法
JP5522712B2 (ja) * 2008-08-25 2014-06-18 公立大学法人兵庫県立大学 遷移金属内包タングステン炭化物、タングステン炭化物分散超硬合金及びそれらの製造方法
JP5522713B2 (ja) * 2008-08-25 2014-06-18 公立大学法人兵庫県立大学 遷移金属固溶タングステン合金粉末及びその製造方法
CN102350506A (zh) * 2011-10-31 2012-02-15 西南石油大学 纳米结构WC-Co复合粉末制备方法
GB201209453D0 (en) * 2012-05-29 2012-07-11 Element Six Gmbh Constructions comprising polycrystalline material,tools comprising same and method for making same
CN103056382B (zh) * 2013-01-04 2015-11-11 湖南顶立科技有限公司 一种纳米结构碳化钨/钴复合粉末的制备方法
KR101704470B1 (ko) * 2015-09-22 2017-02-10 한국생산기술연구원 탄화텅스텐-탄소 복합입자, 탄화텅스텐-탄소 복합입자와 중공형 탄화텅스텐의 제조방법
JP2018035020A (ja) * 2016-08-30 2018-03-08 住友電気工業株式会社 水溶液組成物およびその製造方法、酸化物粉末およびその製造方法、炭化物粉末およびその製造方法、ならびに、超硬合金およびその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2176802A (en) * 1937-05-05 1939-10-17 Philips Nv Method of making hard metal alloys
FR833555A (fr) * 1937-06-18 1938-10-25 Lorraine Carbone Nouveau procédé de fabrication des alliages durs frittés
US3077385A (en) * 1959-01-06 1963-02-12 Gen Electric Process for producing carbides
US3932594A (en) * 1973-12-28 1976-01-13 Union Carbide Corporation Process for the preparation of fine grain metal carbide powders
US4579713A (en) * 1985-04-25 1986-04-01 Ultra-Temp Corporation Method for carbon control of carbide preforms
US4851041A (en) * 1987-05-22 1989-07-25 Exxon Research And Engineering Company Multiphase composite particle
DE3830111A1 (de) * 1988-09-05 1990-03-15 Dornier Gmbh Legierungspulver
JPH086129B2 (ja) * 1989-11-09 1996-01-24 プロセダイン コーポレーション ナノフェーズ混成粉末生産のための噴霧変換方法

Also Published As

Publication number Publication date
CA2114639C (en) 2003-02-25
DE69202862D1 (de) 1995-07-13
ZA925955B (en) 1993-05-03
KR100196244B1 (ko) 1999-06-15
JPH07500804A (ja) 1995-01-26
DE69202862T2 (de) 1996-02-15
EP0598040B1 (en) 1995-06-07
CA2114639A1 (en) 1993-02-18
AU2430992A (en) 1993-03-02
WO1993002962A1 (en) 1993-02-18
ATE123478T1 (de) 1995-06-15
EP0598040A1 (en) 1994-05-25

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