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CA2409433A1 - Methode de traitement cryogenique de carbure de tungstene contenant du cobalt - Google Patents

Methode de traitement cryogenique de carbure de tungstene contenant du cobalt Download PDF

Info

Publication number
CA2409433A1
CA2409433A1 CA002409433A CA2409433A CA2409433A1 CA 2409433 A1 CA2409433 A1 CA 2409433A1 CA 002409433 A CA002409433 A CA 002409433A CA 2409433 A CA2409433 A CA 2409433A CA 2409433 A1 CA2409433 A1 CA 2409433A1
Authority
CA
Canada
Prior art keywords
tungsten carbide
microwave
cryogenic
containing cobalt
cryogenic treatment
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.)
Abandoned
Application number
CA002409433A
Other languages
English (en)
Inventor
John Russell Mckay
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002409433A priority Critical patent/CA2409433A1/fr
Priority to US10/693,778 priority patent/US20040175284A1/en
Publication of CA2409433A1 publication Critical patent/CA2409433A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18—High-melting or refractory metals or alloys based thereon
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Ceramic Products (AREA)
CA002409433A 2002-10-23 2002-10-23 Methode de traitement cryogenique de carbure de tungstene contenant du cobalt Abandoned CA2409433A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002409433A CA2409433A1 (fr) 2002-10-23 2002-10-23 Methode de traitement cryogenique de carbure de tungstene contenant du cobalt
US10/693,778 US20040175284A1 (en) 2002-10-23 2003-10-23 Method of cryogenic treatment of tungsten carbide containing cobalt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002409433A CA2409433A1 (fr) 2002-10-23 2002-10-23 Methode de traitement cryogenique de carbure de tungstene contenant du cobalt

Publications (1)

Publication Number Publication Date
CA2409433A1 true CA2409433A1 (fr) 2004-04-23

Family

ID=32399779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002409433A Abandoned CA2409433A1 (fr) 2002-10-23 2002-10-23 Methode de traitement cryogenique de carbure de tungstene contenant du cobalt

Country Status (2)

Country Link
US (1) US20040175284A1 (fr)
CA (1) CA2409433A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100453217C (zh) * 2007-01-11 2009-01-21 武汉理工大学 WC-Co硬质合金的烧结方法
CN104190942B (zh) * 2014-08-19 2016-08-31 天津市华辉超硬耐磨技术有限公司 一种硬质合金的微波烧结方法
CN105349926B (zh) * 2015-11-02 2017-08-25 浙江百达精工股份有限公司 用于易切削无铅黄铜制作方法的冷却装置
CN110218926B (zh) * 2019-07-10 2021-09-17 河源正信硬质合金有限公司 一种超粗晶WC-Co硬质合金制备方法
CN119506605B (zh) * 2024-11-25 2025-12-16 赣州有色冶金研究所有限公司 一种从含钴的碳化钨废料中回收钴的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614544A (en) * 1985-01-23 1986-09-30 E. I. Du Pont De Nemours And Company High strength powder metal parts
US4739622A (en) * 1987-07-27 1988-04-26 Cryogenics International, Inc. Apparatus and method for the deep cryogenic treatment of materials
US5259200A (en) * 1991-08-30 1993-11-09 Nu-Bit, Inc. Process for the cryogenic treatment of metal containing materials
US6374932B1 (en) * 2000-04-06 2002-04-23 William J. Brady Heat management drilling system and method
US6004505A (en) * 1996-07-26 1999-12-21 Dennis Tool Corporation Process and apparatus for the preparation of particulate or solid parts
US6066290A (en) * 1996-07-26 2000-05-23 The Pennsylvania State Research Foundation Method and apparatus for transporting green work pieces through a microwave sintering system
ATE206481T1 (de) * 1997-03-10 2001-10-15 Widia Gmbh Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellung
US6141974A (en) * 1997-07-11 2000-11-07 Waldmann; Christian Clark Cryogenic and heat process for treating sintered carbide metals to increase service life

Also Published As

Publication number Publication date
US20040175284A1 (en) 2004-09-09

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Legal Events

Date Code Title Description
FZDE Discontinued