Metal treatment – Compositions – Heat treating
Patent
1966-08-25
1978-10-17
Schafer, Richard E.
Metal treatment
Compositions
Heat treating
29413, 75134A, 75134T, 75169, 148 22, 225 2, C22F 300, C22C 700
Patent
active
041207017
ABSTRACT:
New reactants for catastrophically embrittling steel having a hardness of ckwell C40 or greater comprising an amalgam of 98 to 99 weight percent mercury, the balance being lithium and indium; and sulfuric acid, and methods for applying said reactants to the steel.
REFERENCES:
patent: 3054938 (1962-09-01), Meddick
patent: 3135205 (1964-06-01), Zwicky
patent: 3254996 (1966-06-01), MacDonald
patent: 3969154 (1976-07-01), Collins et al.
patent: 4045356 (1977-08-01), Eisner et al.
Steward, Jr. William B.
Walker, Jr. Clarence H.
Card, Jr. Harold H.
Edelberg Nathan
Erkkila A. Victor
Schafer Richard E.
The United States of America as represented by the Secretary of
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