Corrosion cracking of aluminum alloys and stainless steels: key features and test methods (review)

Kirichok P.F.
UDC
620.193:669.175
DOI
10.18577/2307-6046-2018-0-7-106-116
Article PDF (Russian) (672.25 KB)
How to cite
Kirichok P.F. Corrosion cracking of aluminum alloys and stainless steels: key features and test methods (review) // Proceedings of VIAM. 2018. No. 7. DOI: 10.18577/2307-6046-2018-0-7-106-116. URL: https://test.viam.ru/en/journal/2018/7/12
Keywords
corrosion cracking, corrosion, aluminum alloys, stainless steels, test methods, hydrogen embrittlement.
Abstract

Aggressive environments that lead to the occurrence of corrosion lesions of structures lead to significant changes in their mechanical characteristics and lead to a significant reduction in their bearing capacity and a decrease in durability. The danger of aggressive media exposure to highly loaded material is also due to the fact that in some cases the structural elements fail in a very short time, including with an emergency outcome. In the present work, the literature data, normative documentation and studies on the stress-corrosion cracking and loading methods of the test samples during the tests are analyzed. Particular attention is paid to tests with constant deformation, as the most common and least expensive test group and testing of samples under constant load. Recommendations are given on the timing of testing for stress-corrosion cracking of various metals and alloys.

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