Process for strengthening lead-antimony alloys

Details Process for strengthening lead-antimony alloys Process for strengthening lead-antimony alloys

1985-04-01

1986-12-16

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148400, 148405, 420567, 420569, 420572, 429245, C22F 112

Patent

active

046295160

ABSTRACT:
A process is provided for increasing the strength of antimony-lead alloys by specially treating an alloy which contains an effective amount of arsenic in the alloy, the process comprising working the alloy, rapidly heat treating the alloy, which includes quenching, for a period of time sufficient to activiate a strengthening mechanism in the alloy. The process is especially useful for the manufacture of battery grids on a continuous production line.

REFERENCES:
patent: 1865727 (1932-07-01), Schuricht et al.
patent: 2570501 (1951-10-01), Snyder
patent: 3008853 (1961-11-01), Borchers et al.
patent: 3959016 (1976-05-01), Tsuda
patent: 4332629 (1982-06-01), McWhinnie
Metals Handbook, Ninth Edition, vol. 4, Heat Treating p. 634.
"Electrochemical Evaluation of Expanded Grids for Lead-Acid Batteries" A. Arlanch et al., pp. 581-599.
"The Lead-Antimony System and Hardening of Lead Alloys" R. S. Dean et al., Trans. AIME, vol. 73 (1926), pp. 505-529.
"Deep Discharge . . . Lead Grids", J. Electrochemical Society, vol. 128, Part II, No. 8, Jul.-Dec. 1981, pp. 1641-1647.
"Development of Low-Antimony Lead Alloys for Starter Battery Grids" by H. Borchers et al., Metallwissenschaft und Technik, Sep. 1974, No. 9, pp. 863-867 (translation enclosed).
"The System Lead-Antimony-II" by Dean et al., I & EC, vol. 17, No. 12, pp. 1246-1247.

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