Estimation of elastic plastic behavior fracture toughness under hydrogen condition of Inconel 617 from small punch test

Nak Hyun Kim, Yun Jae Kim, Kee Bong Yoon, Young Hwa Ma

研究成果: Article

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The hydrogen embrittlement of metallic materials is an important issue from the viewpoint of structural integrity. In this regard, the estimation of mechanical properties and fracture toughness under hydrogen conditions provides very important data. This study provides an experimental validation of the approach for simulating the small punch of Inconel 617 using finite element damage analysis, as recently proposed by the authors, and applies an inverse method for the determination of the constitutive tensile behavior of materials. The mechanical properties obtained from the inverse method are compared with those obtained from the tensile test and validated. The mechanical properties and fracture toughness are predicted by using the inverse method and finite element damage analysis.

元の言語English
ページ(範囲)753-760
ページ数8
ジャーナルTransactions of the Korean Society of Mechanical Engineers, A
37
発行部数6
DOI
出版物ステータスPublished - 2013 6
外部発表Yes

ASJC Scopus subject areas

  • Mechanical Engineering

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