Title:
粉末冶金用鉄基混合粉
Document Type and Number:
Japanese Patent JP4412133
Kind Code:
B2
Abstract:
An iron-based mixed powder for powder metallurgy comprising:
an iron-based, mixed powder made by mixing an iron-based powder, a powder for an alloy, a powder for a machinability improvement and a lubricant;
wherein the powder for machinability improvement is manganese sulphide powder and calcium fluoride powder;
wherein an average particle diameter of the manganese sulfide powder is 1 to 10 micrometers and an average particle diameter of calcium fluoride powder is 20 to 60 micrometers;
wherein the content of the calcium fluoride powder is 20 to 80 mass% based on the total amounts of the manganese sulphide powder and the calcium fluoride powder; and
wherein the powder for machinability improvement is in an amount of 0.1 to 1.5 mass% based on the total amounts of the iron-based powder, the powder for machinability improvement.
Inventors:
Oozaki Yukiko
Satoshi Uenozono
Hiroshi Sugihara
Satoshi Uenozono
Hiroshi Sugihara
Application Number:
JP2004279335A
Publication Date:
February 10, 2010
Filing Date:
September 27, 2004
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B22F1/10
Domestic Patent References:
| JP2003034803A | ||||
| JP2004190051A | ||||
| JP61147801A |
Attorney, Agent or Firm:
Eiichi Kobayashi