Quenching bath and quenching method for metals

Details Quenching bath and quenching method for metals Quenching bath and quenching method for metals

1983-07-20

1984-04-10

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148206, 148 27, 148 28, 148 30, C21D 144, C21D 156

Patent

active

044419376

ABSTRACT:
Bath for the quenching of ferrous and nonferrous metals and their alloys, comprising a hydrogenated starch hydrolysate having, expressed with respect to the dry matter, a percentage of products of degree of polymerization 1 and 2 comprised between 1 and 90, the complement to 100 being constituted by products of degree of polymerization equal to or higher than 3.

REFERENCES:
patent: 710452 (1902-10-01), Greenman
patent: 2115828 (1938-05-01), Prescott
patent: 2770564 (1956-11-01), Gordon
patent: 3022205 (1962-02-01), Chase et al.
patent: 3220893 (1965-11-01), Blackwood et al.
patent: 3475232 (1969-10-01), Lewis et al.
patent: 3526551 (1970-09-01), Sargent
patent: 4192764 (1980-03-01), Madsen
Feiser & Feiser, Organic Chemistry, 3rd Ed. Reinhold Pub. Corp., pp. 389-390, 461, 475-476, 1956.

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