SYMPOSIA PAPER Published: 01 January 1973

Low-Cycle Fatigue Behavior of Types 304 and 316 Stainless Steel at LMFBR Operating Temperature


Fully reversed, axial strain-controlled low-cycle fatigue tests with and without tension holdtime have been conducted in air in the temperature range of 806 to 1202 F and at a strain rate of 4 × 10-3 1 on Types 304 and 316 stainless steel after various initial heat treatments. The test results have been supplemented by metallographic and scanning electron microscopy investigations. Prior heat treatment has a greater effect on specimens tested at 1050 F than on those tested at 1202 F and a greater effect on Type 304 than on Type 316. The introduction of tension holdtimes decreases the cyclic life of both materials and causes the mode of failure to change from transgranular to intergranular. Much of the above fatigue behavior can be qualitatively understood on the basis of the supplemental metallographic results.

Author Information

Cheng, CF
Argonne National Laboratory, Argonne, Ill.
Cheng, CY
Argonne National Laboratory, Argonne, Ill.
Diercks, DR
Argonne National Laboratory, Argonne, Ill.
Weeks, RW
Argonne National Laboratory, Argonne, Ill.
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Developed by Committee: E08
Pages: 355–364
DOI: 10.1520/STP38853S
ISBN-EB: 978-0-8031-5576-3
ISBN-13: 978-0-8031-5528-2