Foaming of metal by the catalyzed and controlled decomposition o

Details Foaming of metal by the catalyzed and controlled decomposition o Foaming of metal by the catalyzed and controlled decomposition o

1972-02-07

1976-09-21

Satterfield, Walter R.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75138, C22B 502

Patent

active

039817202

ABSTRACT:
A process of foaming metal and particularly aluminum and its alloys by catalyzing and controlling the solid state decomposition of a material which releases a gas at elevated temperatures comprising mixing a discrete particulate material containing a major proportion of aluminum with zirconium hydride or titanium hydride, heating the resultant compact at a temperature of 850.degree. to 900.degree.F for at least 5 minutes and then adding said compact to a molten metal melt.

REFERENCES:
patent: 2974034 (1961-03-01), Fiedler et al.
patent: 3087807 (1963-04-01), Allen et al.
patent: 3676071 (1972-07-01), Speed

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