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http://dx.doi.org/10.7842/kigas.2015.19.1.64

Small Punch Test of TRIP Steel Charged with Hydrogen under Different Electrolyte Condition  

Kim, Kwang-Sig (Dept. of Materials Science & Engineering, Graduate School of Industry & Engineering, Seoul National University of Science & Technology)
Yoo, Kwang-Hyun (Dept. of Materials Science & Engineering, Graduate School of Industry & Engineering, Seoul National University of Science & Technology)
Park, Jae-Woo (Dept. of New Energy Engineering, Graduate School of Energy & Environment, Seoul National University of Science & Technology)
Kang, Kae-Myung (Dept. of Material Science & Engineering, Seoul National University of Science & Technology)
Publication Information
Journal of the Korean Institute of Gas / v.19, no.1, 2015 , pp. 64-70 More about this Journal
Abstract
In order to evaluate the degree of hydrogen embrittlement of TRIP steels charged with hydrogen according to varying the current density and the charging time under acid and alkaline electrolyte conditions were tested by small punch test. The results of SP test showed that the degree of hydrogen embrittlement at acid electrolyte condition was more effective factor compared to that of alkaline electrolyte condition. Therefore, all of the charging time and the charging current density were at the condition of acid electrolyte appeared as the main factor of the degree of hydrogen embrittlement in the condition of acid electrolyte. But, it was considered that the charging time compared to the charging current density at the condition of alkaline electrolyte was more effective factor to raise the degree of hydrogen embrittlement.
Keywords
hydrogen embrittlement; small punch test; acid electrolyte; alkaline electrolyte;
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Times Cited By KSCI : 11  (Citation Analysis)
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