Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Low Cycle Fatigue Behaviour of Austenitic Stainless Steel at Cyrogenic Temperature
Toshinori NAKAMURAMasatake TOMINAGAHirokazu MURASEYukio NISHIYAMA
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1982 Volume 68 Issue 3 Pages 471-476

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Abstract

Low-cycle fatigue behaviour of 304 stainless steel has been studied at 20°C and -196°C. The results obtained are summarized as follows:
(1) The low-cycle fatigue life depends on the mechanical properties which change according to the amount of α'-martensite induced by increasing number of fatigue cycles.
(2) The low-cycle fatigue life curves (Δεt/2-Nf) obtained agree fairly with the curves calculated by Manson's equation.
(3) The fatigue cracks initiates at about 20% of the fatigue life at 20°C, while it initiates at about 70% of the fatigue life at -196°C.

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© The Iron and Steel Institute of Japan
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