B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 27/00 (2006.01) B22D 21/04 (2006.01) B22D 25/00 (2006.01) C22C 1/08 (2006.01) C22C 21/00 (2006.01) C22C 21/02 (2006.01)
Patent
CA 2445660
Cellular metal foam having closed cell walls is produced by introducing gas bubbles of suitable size and at a suitable rate below the surface of an otherwise non-stirred or non-agitated molten metal bath. For example, aluminum-silicon alloy, including silicon carbide foam stabilization particles has been thus processed into cellular metal of, as low as, one to two percent relative density and with good cell walls and quite regular cell size.
Fuerst Carlton Dwight
Kia Sheila Farrokhalaee
Pederson Thomas C.
General Motors Corporation
Gm Global Technology Operations Inc.
Gowling Lafleur Henderson Llp
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