C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/24 (2006.01) B22F 3/15 (2006.01) C22C 33/02 (2006.01) C22C 38/34 (2006.01) C22C 38/38 (2006.01)
Patent
CA 2231133
A hot-worked, fully dense, wear resistant, vanadium-rich, powder metallurgy cold work tool steel article having improved impact toughness. This is achieved by controlling the amount, composition and size of the primary carbides and by insuring that substantially all the primary carbides remaining after hardening and tempering are MC-type vanadium-rich carbides. The article is produced by hot isostatic compacting of nitrogen atomized powder particles.
Pinnow Kenneth E.
Stasko William
Crucible Materials Corporation
Riches Mckenzie & Herbert Llp
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