Comparative study on small fatigue crack propagation between Fe-30Mn-3Si-3Al and Fe-23Mn-0.5C twinning-induced plasticity steels: Aspects of non-propagation of small fatigue cracks

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Comparative study on small fatigue crack propagation between Fe-30Mn-3Si-3Al and Fe-23Mn-0.5C twinning-induced plasticity steels: Aspects of non-propagation of small fatigue cracks

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作者：Motomichi Koyama^a ; ^{koyama@mech.kyushu-u.ac.jp" class="auth_mail" title="E-mail the corresponding author} ; Yusuke Yamamura^a ; Rinqing Che^a ; Takahiro Sawaguchi^b ; Kaneaki Tsuzaki^a ; Hiroshi Noguchi^a
关键词：Non-propagation of small fatigue cracks ; Dynamic strain aging ; Austenitic steel ; High cycle fatigue ; Optical microscopy
刊名：International Journal of Fatigue
出版年：2017
出版时间：January 2017
年：2017
卷：94
期：part_P1
页码：1-5
全文大小：1368 K

文摘

•: A Fe-30Mn-3Si-3Al TWIP steel did not show fatigue crack non-propagation at the fatigue limit.
•: A Fe-23Mn-0.5C TWIP steel showed fatigue crack non-propagation.
•: The crack non-propagation of the Fe-Mn-C steel probably because of dynamic strain aging.
•: The dynamic strain aging seems to assist fatigue crack initiation.

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