Alloy having improved fatigue crack growth resistance

Details Alloy having improved fatigue crack growth resistance Alloy having improved fatigue crack growth resistance

1985-11-18

1987-09-15

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 148 115R, 148 115Q, 148 115A, 148 127R, 148 127A, 148 127B, 148415, 148417, 148439, 419 23, 419 48, 419 54, 419 55, 420417, 420534, B22F 300

Patent

active

046937471

ABSTRACT:
Disclosed is a metal alloy product having increased resistance to fatigue crack growth and having coarse grains distributed in a fine grain structure, the coarse grains having a different alloy composition from the fine grain structure.

REFERENCES:
patent: 4078951 (1978-03-01), Denzine et al.
patent: 4410370 (1983-10-01), Baba et al.
patent: 4462843 (1984-07-01), Baba et al.
patent: 4542183 (1985-09-01), Miller et al.
patent: 4569703 (1986-02-01), Baba et al.

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