Title:
予備合金化された、銅含有粉末およびダイヤモンド工具の製造におけるその使用
Document Type and Number:
Japanese Patent JP4174689
Kind Code:
B2
Abstract:
The present invention relates to the use of a pre-alloyed powder as a binder in the manufacture of diamond tools by hot sintering. This powder is characterized in that it has an average particle size of less than 10 mum as measured with the Fisher SSS and loss of mass by reduction in hydrogen of less than 2% as measured according to the standard ISO 4491-2:1989 and in that it contains, in % by weight, up to 40% of cobalt, up to 50% of nickel, from 5 to 80% of iron and from 5 to 80% of copper; the other components in the powder consist of unavoidable impurities.
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Inventors:
Roger, Standelt
Application Number:
JP54656598A
Publication Date:
November 05, 2008
Filing Date:
April 22, 1998
Export Citation:
Assignee:
Nve Umicore Society Anonym
International Classes:
B22F1/00; B22F7/00; B24D3/06; B22F9/22; C22C1/04; C22C9/06; C22C26/00; C22C33/02; C22C38/00; C22C38/16
Domestic Patent References:
| JP62280307A |
Attorney, Agent or Firm:
Calyx
Toshio Nakamura
Toshio Nakamura