[G] Hydrogen and Battery Related Materials（1）

[82] Quantification of hydrogen embrittlement behavior using thermal analysis, and estimation for the behavior

*Yuma Sako¹, Ikuto Fujita², Ichiro Seki³, Setsuzo Tsujii⁴, Shuichi Tsujii⁴, Rie Umetsu⁵ (1. National Institute of Technology, Tsuyama College (student), 2. National Institute of Technology, Tsuyama College (student, Murata Machinery, Ltd), 3. National Institute of Technology, Tsuyama College, 4. SYOEI Co., Ltd., 5. IMR, Tohoku University)

Keywords:水素脆化、熱分析、構造緩和、再結晶、クロムモリブデン鋼

SCM440材に水素の電解チャージを施し水素注入した試験材の引張試験を行い，試験後の試験断面のXRDとDSCを用いて材料の水素脆化の影響を明示化した．