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题名: Effect of microstructure on hydrogen embrittlement of various stainless steels
作者: C.L. Lai
L.W.Tsay
C.Chen
贡献者: 國立臺灣海洋大學:光電與材料科技學系
日期: 2013-11
上传时间: 2018-08-15T01:19:25Z
出版者: Materials Science and Engineering A
摘要: Abstract: This work investigated the effect of microstructure on the susceptibility of 304L (metastable), 310S (stable) austenitic and 410 martensitic stainless steels (SSs) to hydrogen embrittlement (HE). Slow-displacement-rate notched tensile tests were performed at various combinations of temperature (25 and 80 °C) and environment (air and H2) to evaluate the relative HE susceptibility of these alloys. At 25 °C, the untempered 410 SS was the specimen most susceptible to HE among the investigated specimens, whereas the 310S and tempered 410 specimens exhibited low HE susceptibility. The formation of strain-induced α′-martensite in a localized region in front of the notch tip was the main cause for the high HE susceptibility of the 304L SS tested at 25 °C. In general, the HE susceptibility was reduced to various degrees for specimens tested at 80 °C. A significantly lower susceptibility to HE was observed for the 304L specimen at 80 °C due to the suppressed formation of α′-martensite in the highly strained region.
關聯: 584(1) pp.14-20
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48164
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