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The Quantitative Estimation of the Sensitivity of Corrosion and Hydrogen Environment on Fatigue Crack Growth Rate for Steels

[+] Author Affiliations
Mikihito Ishikawa, A. Toshimitsu Yokobori, Jr., Yusuke Kawashima, Toshihito Ohmi

Tohoku University, Sendai, Japan

Seiji Sugawara

Tohoku Steel Co., Ltd., Miyagi, Japan

Paper No. PVP2014-28581, pp. V06BT06A017; 8 pages
  • ASME 2014 Pressure Vessels and Piping Conference
  • Volume 6B: Materials and Fabrication
  • Anaheim, California, USA, July 20–24, 2014
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4604-9
  • Copyright © 2014 by ASME


In this paper, the tensile fatigue tests using small compact specimen were conducted by the corrosion and hydrogen embrittlement fatigue testing method which authors have proposed. Based on these results, the quantitative separated estimations of the sensitivity of Corrosion, Hydrogen Embrittlement (HE) and Facet-like Fracture Hydrogen Induced Dislocation Pile-up (F-HIDP) were made by using the acceleration factor, D*, that is the ratio of fatigue crack growth rate to that under atmospheric condition.

Copyright © 2014 by ASME



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