Alloys or metallic compositions – Lead base – Copper containing
Patent
1982-06-30
1984-04-17
Andrews, M. J.
Alloys or metallic compositions
Lead base
Copper containing
420567, 420568, 420569, 420570, 420571, 420572, 429245, C21B 1104
Patent
active
044434057
ABSTRACT:
The grain size and resistance to corrosion of lead-antimony alloys containing less than 4% of antimony and 0.005 to 0.1% copper, are improved by incorporating therein from 0.001 to 0.1% of a mixture of rare earths, preferably misch metal. The alloys may also contain up to 0.5% arsenic or up to 0.8% of tin.
REFERENCES:
patent: 3008853 (1961-11-01), Borchers et al.
patent: 3879217 (1975-04-01), Peters
Dalibard Gerard
Viaud Nicole
Andrews M. J.
Societe Anonyme dite Compagnie Europeene d'Accumulateurs
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