Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment
Patent
1997-11-19
2000-01-25
Mai, Ngoclan
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Powder pretreatment
148100, 148304, 75246, B22F 102
Patent
active
060174900
ABSTRACT:
A powder of composite particles is prepared by adhering to the surfaces of particles of an amorphous magnetically soft alloy particles of a glass having a softening point lower than the crystallization temperature of the alloy to coat the surfaces of the alloy particles with the glass. The powder of composite particles prepared is pressed at a temperature higher than the softening point of the glass and lower than the crystallization temperature of the alloy to bond the alloy particles with the glass. The pressed powder body is at least 0.5 in the ratio of the magnetic permeability at 10.sup.7 Hz to the magnetic permeability at 10.sup.4 Hz.
REFERENCES:
patent: 4601765 (1986-07-01), Soileau et al.
patent: 4983231 (1991-01-01), Yamanaka et al.
patent: 5026419 (1991-06-01), Iwasaki et al.
patent: 5252148 (1993-10-01), Shigeta et al.
Database WPI, Section Ch, Week 8746, Derwent Publications Ltd., London, GB; Class L03, AN 87-325021, XP002054966 & JP 62 232 103 A(Hitachi Metals Ltd), Oct. 12, 1987.
Database WPI, Section Ch, Week 8824, Derwent Publications Ltd., London, GB; Class L03, AN 88-165373, XP002054967 & JP 63 104 408 A(Nippon Kinzoku Co Ltd), May 9, 1988.
Database WPI, Section Ch, Week 9217, Derwent Publications Ltd., London, GB; Class L03, AN 92-137434, XP002054968 & JP 04 079 302 A(Toshiba KK), Mar. 12, 1992.
Endo Isao
Koshimoto Hideo
Okuno Ryosei
Otsuka Isamu
Yamamoto Hiroshi
Kubota Corporation
Mai Ngoclan
LandOfFree
Pressed body of amorphous magnetically soft alloy powder and pro does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pressed body of amorphous magnetically soft alloy powder and pro, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressed body of amorphous magnetically soft alloy powder and pro will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2313630