Presentation Information
[P281]Comparison of the fracture energy loss of Hydrogen embrittlement: An X-ray Tomography Void analysis reveals a common Intrinsic channel in FCC and BCC structured Stainless steels
○Naoto Ichikawa1, Helmut Takahiro Uchida1 (1. Tokai University)
Keywords:
Hydrogen Embrittlement,X-Ray Computed Tomography,Void Analysis,Stainless Steels
SUS304 and SUS430 specimens were electrochemically hydrogen-charged and strained to successive fractions, and the internal damage was imaged by X-ray CT at each stage. In SUS304 no CT-resolvable voids developed, whereas in SUS430, the relaxation behavior of void formation and the linear increase in void fraction with strain were confirmed.
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