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http://dx.doi.org/10.3795/KSME-A.2011.35.11.1377

Development of Evaluation Technique for Hydrogen Embrittlement Behavior of Metallic Materials Using in-situ SP Testing under Pressurized Hydrogen Gas Conditions  

Shin, Hyung-Seop (Dept. of Mechanical Design Engineering, Andong Nat'l Univ.)
Kim, Ki-Hyun (Dept. of Mechanical Design Engineering, Andong Nat'l Univ.)
Baek, Un-Bong (Korea Research Institute of Standards and Science)
Nahm, Seung-Hoon (Korea Research Institute of Standards and Science)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.11, 2011 , pp. 1377-1382 More about this Journal
Abstract
Recently, alternative and novel energy resources have been developed for use in the future because of the current environmental problems and exhaustion of fossil energy resources. Hydrogen energy has many merits, such as its environmental friendliness, easy storage, and easy production, but it also has disadvantages, in that it is highly combustible and explosive. In this study, a test procedure using a simple SP test under highly pressurized hydrogen gas conditions was established. In order to evaluate its applicability, SP tests were carried out using a stainless steel (SUS316L) sample under atmospheric, pressurized helium, and pressurized hydrogen gas conditions. The results under the pressurized hydrogen gas condition showed fissuring and produced a reduction of the elongation in the plastic instability region due to hydrogen embrittlement, showing the effectiveness of the current in-situ SP test.
Keywords
in-situ SP Test; Hydrogen Embrittlement; SUS316L; Pressurized Hydrogen Gas Condition;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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