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Abstract The vacancy behavior in austenitic stainless steel 316L with high γ-phase stability in a hydrogen environment was investigated to clarify the critical defects of hydrogen embrittlement. Hydrogen was introduced… Click to show full abstract
Abstract The vacancy behavior in austenitic stainless steel 316L with high γ-phase stability in a hydrogen environment was investigated to clarify the critical defects of hydrogen embrittlement. Hydrogen was introduced in the samples by the high-pressure gas method and tensile straining was conducted at variable low temperatures. Characterization of the strain distribution and vacancy defects was performed by SEM-KAM and low-temperature positron annihilation lifetime spectroscopy measurements, respectively. Upon straining at low temperatures (
Journal Title: International Journal of Hydrogen Energy
Year Published: 2020
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