Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1980-01-10
1982-01-12
Hunt, Brooks H.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75200, 75214, 75246, B22F 300
Patent
active
043103545
ABSTRACT:
A process for producing a shape memory effect alloy having a desired transition temperature. The process includes the steps of: providing at least one prealloyed powder of a shape memory effect alloy having a chemistry similar to that of the to be produced alloy and a transition temperature below the desired transition temperature of the to be produced alloy; providing at least one other prealloyed powder of a shape memory effect alloy having a chemistry similar to that of the to be produced alloy and a transition temperature in excess of the desired transition temperature of the to be produced alloy; blending said prealloyed powders; consolidating said blended powders; and thermally diffusing said consolidated powders so as to provide a substantially homogeneous alloy of the desired transition temperature.
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Jackson et al., NASA Publication (SP5110), "55-Nitinol-The Alloy With a Memory: Its Physical Metallurgy, Properties and Applications".
Boesch William J.
Fountain Richard W.
Reichman Steven H.
Hunt Brooks H.
Special Metals Corporation
Valentine James C.
Williamson John K.
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