C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
53/100
C22C 21/00 (2006.01)
Patent
CA 1249443
Aluminum Grain Refiner Containing Duplex Crystals ABSTRACT Disclosed is a new aluminum grain refiner alloy with a controlled, effective content of "duplex" crystals. The duplex crystals are made by (1) producing aluminides that contain boron in solution, and by (2) aging said aluminide in a manner to precipitate at least part of the boron to form the duplex crystals. The duplex crystals have been discovered to be extremely potent grain refining agents.
487962
Guzowski Matthew M.
Sentner David A.
Sigworth Geoffrey K.
Kb Alloys Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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