Alloys or metallic compositions – Aluminum base – Cadmium – lead – or bismuth containing
Patent
1995-04-06
1996-12-17
Simmons, David A.
Alloys or metallic compositions
Aluminum base
Cadmium, lead, or bismuth containing
148437, 164468, 164499, 164504, 266233, 266234, 266235, 420528, 420590, C22C 2100
Patent
active
055850677
ABSTRACT:
An aluminum alloy containing at least one alloying metal selected from the group consisting of bismuth, cadmium, indium and lead in a quantity greater than the maximum solubility of the metal in solid aluminum. More than 80% by weight of the alloying metals are finely dispersed in a solid aluminum matrix in the form of globules or crystals with a size of less than 5 micrometers. The alloy can be obtained by means of mechanical or electromagnetic agitation of the alloy in the course of solidifying, and in the case of continuously casting a liquid alloy, the agitation can be accomplished by means of an alternating magnetic field which is coaxial to the continuous casting axis.
REFERENCES:
patent: 3715112 (1973-02-01), Carbonnel
patent: 3809379 (1974-05-01), Carbonnel et al.
patent: 3833983 (1974-09-01), Baker et al.
patent: 4523628 (1985-06-01), Vives
"Transfer and Stirring of Molten Metals Using New electromagnetic Processes", Vives, MEM. ET. SCI. REV. MET., vol. 82, Dec. 1985, pp. 643-656.
Leroy Michel
Marticou Marc
Aluminium Pechiney
Koehler Robert R.
Simmons David A.
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