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. Author manuscript; available in PMC: 2021 Jun 11.
Published in final edited form as: Appl Phys Rev. 2020;7(4):10.1063/5.0012851. doi: 10.1063/5.0012851

FIG. 5.

FIG. 5.

It has been observed that notched specimens show a significant reduction in both yield and tensile strength. Notched tensile testing is used to show susceptibility to hydrogen embrittlement and how susceptibility changes as a function of mechanical stress concentration and local hydrogen concentration,81–83 which are varied by changing the notch shape. Here, the susceptibility to hydrogen is manifested by a reduction in notch strength. This figure shows a dependence of notch tensile strength on the diffusible hydrogen content for specimens with different stress concentration factors. Reprinted from Wang et al., Mater. Sci. Eng., A 398, 37 (2005).81 Copyright 2005 Elsevier.