Water collapsible aluminum film

Details Water collapsible aluminum film Water collapsible aluminum film

2011-05-31

2011-05-31

Zimmerman, John J (Department: 1784)

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

C428S570000, C428S642000, C428S650000, C428S933000, C428S937000

Reexamination Certificate

active

07951463

ABSTRACT:
In an Al composite material collapsible in the presence of moisture, the external surface of small pieces or powder constructed from a single or a plurality of crystalline grains of Al or an Al alloy is covered with a film of a low melting point metal or alloy selected from the group consisting of In, Sn, combinations of In and Sn, and alloys thereof. The content of the foregoing low melting point metal or alloy ranges from 0.1 to 20% by mass on the basis of the total mass of the composite material. A component member for a film-forming chamber is also provided, which is provided with a water-collapsible Al film on the surface thereof. Film-forming operations are continued over a long period of time using the component member for a film-forming chamber provided with the water-collapsible Al film and then film-forming materials can be recovered from the component member on which the film-forming materials are deposited in a substantial thickness.

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K. Kondoh et al., “Analysis of tin behaviour on surface of rapidly solidified aluminum alloy powder particles during heating”, Powder Metallurgy, 2001, vol. 44, No. 3, pp. 253-259.
Computer generated translation of JP 2001-338647. Dec. 18, 2009.

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