Metal treatment – Compositions – Heat treating
Patent
1988-04-20
1989-11-21
Dean, R.
Metal treatment
Compositions
Heat treating
148 115N, 148402, C22F 110
Patent
active
048819816
ABSTRACT:
A process for adjusting the physical and mechanical properties of a shape memory alloy member of a known chemical composition comprising the steps of increasing the internal stress level and forming said member to a desired configuration and heat treating said member at a selected memory imparting temperature.
REFERENCES:
patent: 3174851 (1965-03-01), Buchler et al.
patent: 4310354 (1982-01-01), Fountain et al.
Effect of Heat Treatment after Cold Working on the Phase Transformation in TiNi Alloy, Todoroki, et al., Transactions of the Japan Institute of Metals, vol. 28, No. 2, (1987), pp. 83-94.
Effects of Stresses on the Phase Transformation of Nitinol, D. Goldstein, et al., Naval Surface Weapons Center, 04/02/86.
AbuJodom, II David N.
Fariabi Sepehr
Thoma Paul E.
Dean R.
Johnson Service Company
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