Metal treatment – Compositions – Heat treating
Patent
1978-06-28
1980-05-20
Stallard, W.
Metal treatment
Compositions
Heat treating
148 124, 148 37, 148 38, C21D 122, C21D 902
Patent
active
042037824
ABSTRACT:
Heat-treated steel of particular, but known, composition is quenched, worked in one direction and then hardened by tempering to form a uni-directional lamellar structure of tough martensite in a uniform austenite matrix.
REFERENCES:
patent: 2795519 (1957-06-01), Angel et al.
patent: 3093519 (1963-06-01), Decker et al.
patent: 3340102 (1967-09-01), Kulin et al.
patent: 3446333 (1969-05-01), Bhatt et al.
patent: 4042421 (1977-08-01), van den Sype et al.
patent: 4042423 (1977-08-01), van den Sype et al.
Kato Yoshio
Yamada Senichi
Kabushiki Kaisha Toyota Chuo Kenkyusho
Stallard W.
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