期刊
JOURNAL OF MATERIALS SCIENCE
卷 45, 期 24, 页码 6604-6610出版社
SPRINGER
DOI: 10.1007/s10853-010-4750-7
关键词
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资金
- German Research Foundation [SFB 761]
- Spanish Ministry of Science and Innovation [MAT2009-14452]
Recent Bauschinger-type tests conducted on a twinning-induced plasticity (TWIP) steel highlights the important contribution of internal stresses to work hardening [1]. Along this line we present Bauschinger experiments in a Fe-22Mn wt%-0.6C wt% TWIP steel. The mechanical behavior upon load reversal shows transient and permanent softening effects. Determination of the internal stress from the magnitude of the permanent softening yields a contribution to work hardening of the order of 20%. Analysis of the transient softening, during strain reversal, indicates that internal stress is consistent with reported data on high carbon spheroidized steels.
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