JPS565902A - Method of reproducing raw material powder for powder metallurgy from used cermet - Google Patents

Method of reproducing raw material powder for powder metallurgy from used cermet

Info

Publication number
JPS565902A
JPS565902A JP8163479A JP8163479A JPS565902A JP S565902 A JPS565902 A JP S565902A JP 8163479 A JP8163479 A JP 8163479A JP 8163479 A JP8163479 A JP 8163479A JP S565902 A JPS565902 A JP S565902A
Authority
JP
Japan
Prior art keywords
powder
cermet
raw material
tic
same
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.)
Granted
Application number
JP8163479A
Other languages
Japanese (ja)
Other versions
JPS5849602B2 (en
Inventor
Yoshio Fujiwara
Hironori Yoshimura
Shinichi Samejima
Hayato Miyazaki
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.)
NIPPON SHINKINZOKU KK
Mitsubishi Metal Corp
Original Assignee
NIPPON SHINKINZOKU KK
Mitsubishi Metal Corp
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 NIPPON SHINKINZOKU KK, Mitsubishi Metal Corp filed Critical NIPPON SHINKINZOKU KK
Priority to JP54081634A priority Critical patent/JPS5849602B2/en
Publication of JPS565902A publication Critical patent/JPS565902A/en
Publication of JPS5849602B2 publication Critical patent/JPS5849602B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To reproduce the raw material powder for powder metallurgy having superior characteristics from the used cermet which is mainly composed of TiC, by heating said cermet to the specific temperature under an N2-containing atmosphere and cooling the same to make it porous then grinding the same into fine powder.
CONSTITUTION: The used cermet of, e.g. TiC-Ni-Mo consisting essentially of TiC is charged into a grahite crucible or the like and is heated to ≥1,600°C under an 10W 760mmHg N2 partial-pressure atmosphere, after which it is cooled in that atmosphere. Next, the resultant treating material which has become porous is subjected to a primary grinding by using, for example, a jaw crusher and a roll crusher, after which it is subjected to a secondary griding by using a vibration mill in succession, whereby the raw material powder for powder metallurgy composed of fine powder having an e.g. 2.0μm mean grain size is reproduced. The use of this reproduced powder yields the cermet which has much better alloy characteristics and cutting performance as compared to conventional cermet of the same component composition.
COPYRIGHT: (C)1981,JPO&Japio
JP54081634A 1979-06-28 1979-06-28 Method for regenerating raw material powder for powder metallurgy from used cermets Expired JPS5849602B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54081634A JPS5849602B2 (en) 1979-06-28 1979-06-28 Method for regenerating raw material powder for powder metallurgy from used cermets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54081634A JPS5849602B2 (en) 1979-06-28 1979-06-28 Method for regenerating raw material powder for powder metallurgy from used cermets

Publications (2)

Publication Number Publication Date
JPS565902A true JPS565902A (en) 1981-01-22
JPS5849602B2 JPS5849602B2 (en) 1983-11-05

Family

ID=13751760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54081634A Expired JPS5849602B2 (en) 1979-06-28 1979-06-28 Method for regenerating raw material powder for powder metallurgy from used cermets

Country Status (1)

Country Link
JP (1) JPS5849602B2 (en)

Also Published As

Publication number Publication date
JPS5849602B2 (en) 1983-11-05

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