Metal treatment – Compositions – Heat treating
Patent
1990-09-17
1992-02-18
Dean, R
Metal treatment
Compositions
Heat treating
148412, 420473, 439887, C22C 902, C22F 108
Patent
active
050890573
ABSTRACT:
Copper based alloys, e.g. CuNiSnSi are processed by annealing followed by a high level of cold work area reduction then a recrystallization step which is followed by a low level of cold work prior to spinodal aging. The resultant material is isotropically formable while maintaining high yield strength.
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patent: 4052204 (1977-10-01), Plewes
patent: 4073667 (1978-02-01), Caron et al.
patent: 4090890 (1978-05-01), Plewes
patent: 4260432 (1981-04-01), Plewes
patent: 4434016 (1984-02-01), Saleh et al.
patent: 4732625 (1988-03-01), Livak
patent: 5019185 (1991-05-01), Nakajima et al.
"Spinodal Decomposition in a Cu-9 wt % Ni-6 wt % Sn Alloy" Acta Metallurgica, vol. 22, 1974, pp. 601-609, by L. H. Schwartz et al.
"Spinodal Decomposition in Cu-9 wt % Ni-6 wt % Sn--II, A Critical Examination of the Mechanical Strength of Spinodal Alloys", Acta Metallurgica, vol. 22, 1974, pp. 911-921, by L. H. Schwartz et al.
"Spinodal Cu-Ni-Sn Alloys are Strong and Superconductile", Metal Progress, 1974, pp. 46, 47, 50, by J. T. Plewes.
AT&T Bell Laboratories
Books G. E.
Businger P. A.
Dean R
Wyszomierski George
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