KR960037181A - 초경합금 분말의 산화방지법 - Google Patents

초경합금 분말의 산화방지법 Download PDF

Info

Publication number
KR960037181A
KR960037181A KR1019950010063A KR19950010063A KR960037181A KR 960037181 A KR960037181 A KR 960037181A KR 1019950010063 A KR1019950010063 A KR 1019950010063A KR 19950010063 A KR19950010063 A KR 19950010063A KR 960037181 A KR960037181 A KR 960037181A
Authority
KR
South Korea
Prior art keywords
cemented carbide
carbide powder
antioxidation method
vacuum
antioxidation
Prior art date
Application number
KR1019950010063A
Other languages
English (en)
Other versions
KR0165722B1 (ko
Inventor
박종구
김소나
Original Assignee
김은영
한국과학기술연구원
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 김은영, 한국과학기술연구원 filed Critical 김은영
Priority to KR1019950010063A priority Critical patent/KR0165722B1/ko
Priority to US08/520,270 priority patent/US5603781A/en
Priority to JP7268388A priority patent/JP2628852B2/ja
Publication of KR960037181A publication Critical patent/KR960037181A/ko
Application granted granted Critical
Publication of KR0165722B1 publication Critical patent/KR0165722B1/ko

Links

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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/12—Metallic powder containing non-metallic particles
    • 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
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

본 발명은 초경합금의 제조 과정 중에서 분쇄가 끝난 초경합금 분말을 진공중 300℃내지 500℃에서 1시간이상 열처리하는 것으로 이루어지는 초경합금 제조시의 초경합금 분말의 산화를 감소시키는 방법에 관한 것이다.

Description

초경합금 분말의 산화방지법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 분쇄된 초경합금 분말을 진공 중 300℃내지 500℃의 온도에서 1시간 이상 열처리하는 것을 특징으로 하는 초경합금 제조시의 초경합금 분말의 산화 방지방법.
  2. 제1항에 있어서, 상기 진공이 0.1토르 이하인 방법.
  3. 제1항에 있어서, 상기 열처리가 약 10시간 동안 수행되는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950010063A 1995-04-27 1995-04-27 초경합금 분말의 산화방지법 KR0165722B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950010063A KR0165722B1 (ko) 1995-04-27 1995-04-27 초경합금 분말의 산화방지법
US08/520,270 US5603781A (en) 1995-04-27 1995-08-28 Method for inhibiting the oxidation of hard metal powder
JP7268388A JP2628852B2 (ja) 1995-04-27 1995-10-17 超硬合金粉末の酸化防止方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950010063A KR0165722B1 (ko) 1995-04-27 1995-04-27 초경합금 분말의 산화방지법

Publications (2)

Publication Number Publication Date
KR960037181A true KR960037181A (ko) 1996-11-19
KR0165722B1 KR0165722B1 (ko) 1999-01-15

Family

ID=19413079

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950010063A KR0165722B1 (ko) 1995-04-27 1995-04-27 초경합금 분말의 산화방지법

Country Status (3)

Country Link
US (1) US5603781A (ko)
JP (1) JP2628852B2 (ko)
KR (1) KR0165722B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100451145C (zh) * 2007-05-21 2009-01-14 陈兆盈 一种降低电溶再生wc氧含量的真空高温处理方法
IN2013CH04500A (ko) 2013-10-04 2015-04-10 Kennametal India Ltd

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1208942A (en) * 1983-03-16 1986-08-05 John Ambrose Manufacturing of titanium anode substrates
US5320800A (en) * 1989-12-05 1994-06-14 Arch Development Corporation Nanocrystalline ceramic materials

Also Published As

Publication number Publication date
KR0165722B1 (ko) 1999-01-15
JP2628852B2 (ja) 1997-07-09
JPH08295901A (ja) 1996-11-12
US5603781A (en) 1997-02-18

Similar Documents

Publication Publication Date Title
HUP0002415A2 (hu) Eljárás szacharóz glukózzá és fruktózzá való átalakítására
DE69206111D1 (de) Herstellungsverfahren von Turbinen- oder Verdichtershaufeln.
EP0629713A3 (en) Enriched layered zones formed by gas phase carburization and slow cooling of the cemented carbide substrate, and method of manufacture.
DE59304146D1 (de) Oxidationskatalysatoren
ATE196083T1 (de) Verwendung von ferrioxamin-b zur behandlung septischen schocks
KR960037181A (ko) 초경합금 분말의 산화방지법
KR840004760A (ko) 셀레늄 유기화합물의 제조방법
KR910012312A (ko) 개선된 구리-니켈-실리콘-크롬 합금
DE3586224T2 (de) 3-carbonyl-1-aminoalkyl-1h-indole, verwendbar als analgetika und ihre herstellung.
EP0146239A3 (en) Bioconversion production of ascorbic acid
CA2005220A1 (en) Roll ring, comprising cemented carbide and cast iron, and method for manufacture of the same
NO912782D0 (no) Fremgangsmaate for behandling av skrap av legeringer av sjeldne jordmetaller/overgangsmetaller.
DE3765485D1 (de) Herstellung von metallgluconaten.
KR910014520A (ko) 비합금 티타늄을 냉간 가공하기 위한 방법
JP2000033404A5 (ko)
KR920002803A (ko) 알루미늄-리튬합금의 열처리 방법
DE3886225D1 (de) Pyruvat-Oxidase, ihre Herstellung und Verwendung.
JPS56116863A (en) Continuous annealing of titanium and titanium alloy strip
KR920004601A (ko) Fe-Mn계 진동감쇠 합금강과 그 제조방법
ATE260996T1 (de) Tial-basislegierung
KR960022347A (ko) 분말 경소 백운석 제조방법
KR840001638A (ko) 고경도(高硬度)줄의 제조방법
SU687138A1 (ru) Способ получени азотированного феррохрома
KR940023382A (ko) 소금의 정제 방법
SU582327A1 (ru) Способ обработки бериллиевой бронзы

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20090831

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee