液体水素輸送・貯蔵用極低温材料の開発

籔本 政男; 横川 清志; 緒形 俊夫; 中川 英樹; 江口 晴樹; 藤井 秀樹; 岡口 秀冶; 石尾 光太郎; 林 稔; 斎藤 正洋

doi:10.11181/hpi1972.38.319

Development of Cryogenic Materials for Liquid Hydrogen Transportation and Storage

Masao YABUMOTO, Kiyoshi YOKOGAWA, Toshio OGATA, Hideki NAKAGAWA, Haruki EGUCHI, Hideki FUJII, Shuji OKAGUCHI, Kotaro ISHIO, Minoru HAYASHI, Masahiro SAITO

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Keywords: WE-NET, hydrogen energy, liquid hydrogen, 20K, cryogenic materials, stainless steel, aluminum alloy, weld metal, low temperature embrittlement, hydrogen embrittlement

JOURNAL FREE ACCESS

2000 Volume 38 Issue 5 Pages 319-327

DOI https://doi.org/10.11181/hpi1972.38.319

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Abstract

For evaluation of low temperature embrittlement and hydrogen embrittlement of structural materials used for liquid hydrogen storage and transportation, three commercial materials, SUS304L, SUS316L (austenitic stainless steels) and A5083 (aluminum alloy) were selected. Tensile, fracture toughness and fatigue tests were conducted in liquid hydrogen (20K). Test results indicated that the weld metals were most susceptible to both low temperature and hydrogen embrittlement, irrespective of the materials.

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