Relationship between microstructure and hydrogen absorption behavior in a V-bearing tempered martensitic steel

T. Hara, T. Tsuchida, K. Tsuzaki

研究成果: Contribution to journalConference article査読

抄録

TEM observations and hydrogen thermal desorption analysis were performed to understand the relationship between microstructure and hydrogen absorption behavior in a V-bearing steel. The hydrogen absorption property was changed by controlling VC precipitation with changing tempering temperature from 573K to 973K. Hydrogen was absorbed into the specimen by cathode charging at a constant condition, and its content was examined by thermal desorption analysis. Energy-filtering and high-resolution TEM methods were employed to observe the size and distribution of VC precipitates. When the specimen was tempered at around 873K, the hydrogen absorption content was markedly increased; 4 times higher than that of the as-quenched specimen. TEM observations showed that this significant hydrogen absorption is attributed to nano-scale VC precipitates.

本文言語英語
ページ(範囲)411-414
ページ数4
ジャーナルJournal De Physique. IV : JP
112 I
DOI
出版ステータス出版済み - 10 2003
イベントInternational Conference on Martensitic Transformations - Espoo, フィンランド
継続期間: 6 10 20026 14 2002

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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