Method of quenching

Details Method of quenching Method of quenching

1981-09-08

1983-09-13

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148 206, 148 28, 148 29, 526208, 526271, 526272, B23K 3524

Patent

active

044040440

ABSTRACT:
Aqueous quenching baths containing as an essential constituent a water-soluble salt of a copolymer of maleic, citraconic, or itaconic anhydride and a long chain alpha olefin are useful in quenching metal at cooling rates which are slower than that of water, and may be as slow as or slower than those obtained using a hydrocarbon oil as the quenching medium.

REFERENCES:
patent: 3475232 (1969-10-01), Lewis et al.
patent: 3489619 (1970-01-01), Brewster
patent: 3553177 (1971-01-01), Hazen et al.
patent: 3560455 (1971-02-01), Hazen et al.
patent: 3560456 (1971-02-01), Hazen et al.
patent: 3560457 (1971-02-01), Hazen et al.
patent: 3865642 (1975-02-01), Foreman
patent: 3939160 (1976-02-01), Tokuue et al.
patent: 3996071 (1976-12-01), Tokuue et al.
patent: 4087290 (1978-05-01), Kopietz et al.
patent: 4090891 (1978-05-01), Mitamura et al.

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