Metallic material having ultra-fine grain structure and method f

Details Metallic material having ultra-fine grain structure and method f Metallic material having ultra-fine grain structure and method f

1989-12-05

1992-01-14

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 12R, 148 12E, 148 12EA, 148 12B, 148 115F, 148 115N, 148320, 72709, C21D 800

Patent

active

050807277

ABSTRACT:
A method for producing a metallic material having an ultra-fine microstructure, the metallic material exhibiting a phase transformation of a low-temperature phase into a high-temperature phase is disclosed, the method comprising the steps of:

REFERENCES:
patent: 3278345 (1966-10-01), Grange et al.
patent: 3481799 (1969-12-01), Day et al.
patent: 3489617 (1970-01-01), Wuerfel
patent: 4045254 (1977-08-01), Deguchi
patent: 4466842 (1984-08-01), Yada et al.
patent: 4675964 (1987-06-01), Allison
patent: 4729546 (1988-03-01), Allison

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