A Quantified Study of the Resistance of Duplex Stainless Steels to HISC: Part 1-Significance of the Three-Dimensional Phase Distributions and Morphological Properties on Hydrogen Transport

L. Blanchard, K. Sotoudeh, H. Toda, Kyosuke Hirayama, J. Laurencin, H. Dong

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

This paper is associated with a larger program of research, studying the resistance to hydrogen-induced stress cracking (HISC) of a wrought and a hot isostatically pressed UNS S31803 duplex stainless steel (DSS), with respect to both the independent and interactive effects of the three key components of HISC: microstructure, stress/strain, and hydrogen. In the first part presented here, several material properties such as the three-dimensional microstructure, distribution, and morphology/geometry of the two phases, i.e., ferrite and austenite, and their significance on hydrogen transport have been determined quantitatively, using x-ray computed tomography microstructural data analysis and modeling. This provided a foundation for the study to compare resistance to HISC initiation and propagation of the two DSSs with differing microstructures, using hydrogen permeation measurements, environmental fracture toughness testing of single-edge notched bend test specimens, in Part 2 paper of this study (Blanchard, et al., Corrosion 78, 3 [2022]: p. 258-265).

本文言語英語
ページ(範囲)249-257
ページ数9
ジャーナルCorrosion
78
3
DOI
出版ステータス出版済み - 3月 2022

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 化学工学(全般)
  • 材料科学(全般)

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