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Disposition of fracture zones under hydrogen embrittlement

✍ Scribed by V. A. Marichev


Publisher
John Wiley and Sons
Year
1981
Tongue
German
Weight
465 KB
Volume
32
Category
Article
ISSN
0947-5117

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✦ Synopsis


Abstract

Disposition of the fracture zones during hydrogen embrittlement is discussed by using experimental data on crack growth kinetics by stress corrosion cracking and internal hydrogen embrittlement of the titanium alloy Ti‐7 AL‐2 Zr‐1,5 Mo‐1 V. The situation of these zones ahead of the crack tip depends on the kind of embrittlement and on K~I~ and can change within wide limits.


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## Abstract The fracture of Ni‐Ti superelastic alloy has been investigated by a sustained tensile‐loading test in physiological saline solution containing hydrogen peroxide (0.15__M__ NaCl + 0.3__M__ H~2~O~2~). The fracture always occurs when the applied stress exceeds the critical stress for marte