Metal treatment – Compositions – Heat treating
Patent
1975-03-14
1976-10-19
Dean, R.
Metal treatment
Compositions
Heat treating
148 16, 148 203, 148131, C22F 108
Patent
active
039868982
ABSTRACT:
A method for strengthening metallic materials liable to be subjected to internal oxidation, characterized in that said metallic material is strengthened by heating the metallic material liable to be subjected to internal oxidation up to an internal oxidation temperature to cause internal oxidation phenomena to arise, and subjecting said metallic material to a temperature cycle passing over its transformation point to cause superplastic phenomena to arise.
REFERENCES:
patent: 3399086 (1968-08-01), Das et al.
Dean R.
Mitsubishi Jukogyo Kabushiki Kaisha
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