Effect of gaseous hydrogen embrittlement on the mechanical properties of additively manufactured CrMnFeCoNi high-entropy alloy strengthened by in-situ formed oxide

Title
Effect of gaseous hydrogen embrittlement on the mechanical properties of additively manufactured CrMnFeCoNi high-entropy alloy strengthened by in-situ formed oxide
Authors
서진유김영균이기안
Issue Date
2020-10
Publisher
Materials science & engineering. A, Structural materials : properties, microstructure and processing
Citation
VOL 796, 140039
Abstract
Effect of gaseous hydrogen charging on the mechanical properties of additively-manufactured CrMnFeCoNi high-entropy alloy (HEA) strengthened by in-situ formed oxide was investigated. The results showed that SLM-built HEA exhibited yield strength of ∼729.6?MPa and has an excellent hydrogen embrittlement resistance due to high-hydrogen solubility and easy deformation twin formation.
URI
http://pubs.kist.re.kr/handle/201004/72089
ISSN
0921-5093
Appears in Collections:
KIST Publication > Article
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