Means for predicting preformance of stainless steel alloy for us

Details Means for predicting preformance of stainless steel alloy for us Means for predicting preformance of stainless steel alloy for us

1996-05-29

1997-07-29

Ip, Sikyin

Metal treatment

Stock

Ferrous

420 53, C22C 3844

Patent

active

056518439

ABSTRACT:
A new and useful predictor for maraging stainless steel alloys is created, called the martensite finish temperature, M.sub.f (.degree. F.). This formula enables one to predict the temperature at which a steel is entirely converted to martensite, and is described as M.sub.f =1027--78% Ni--27% Ti--34% Mo. A desirable needle alloy for this amount is nickel at 10%, molybdenum at about 2.7%, and titanium at about 2%.

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patent: 4740353 (1988-04-01), Cogan et al.
patent: 4775426 (1988-10-01), Murley et al.
patent: 5000912 (1991-03-01), Bendel et al.
Martensite, E.R. Petty, Longman, Bristol, 1970, pp. 161-176, 183-186.

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