C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 33/02 (2006.01) B22F 1/00 (2006.01) C22C 38/00 (2006.01) C22C 38/04 (2006.01)
Patent
CA 2381507
A highly compressible iron powder for powder metallurgy has an optimized particle size distribution. The Vickers microhardness of the particles that do not pass through the sieve having the nominal opening of 150 µm is controlled to be at most about 110. The iron powder is suitable for production of magnetic parts having high magnetism and mechanical parts having high mechanical strength.
Une poudre de fer extrêmement compressible pour la métallurgie des poudres comporte une distribution de tailles de particules optimisée. La microdureté Vickers des particules qui ne passent pas au travers du tamis ayant une ouverture nominale de 150 ?m est contrôlée pour être au plus environ 110. La poudre de fer est adaptée pour la production de pièces magnétiques ayant un magnétisme élevé et de pièces mécaniques ayant une haute résistance mécanique.
Nakamura Naomichi
Ozaki Yukiko
Ueta Masateru
Jfe Steel Corporation
Kawasaki Steel Corporation
Smart & Biggar
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