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Title of Article

INVESTIGATION OF STRESS-CORROSION CRACK ORIGIN IN LOW-CARBON, LOW-ALLOY STEELS


Issue
5
Date
2010

Article type
scientific article
UDC
539.4; 669.3
Pages
186-189
Keywords
stress-corrosion cracking, steel, incubation period, threshold stress, microplastic deformation, macro-elastic limit, grain boundary, ageing


Authors
Boldin Maksim Sergeevich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Nokhrin Aleksey Vladimirovich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Chuvildeev Vladimir Nikolaevich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Chegurov Mikhail Konstantinovich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Butusova Elena Nikolaevna
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Stepanov Sergey Pavlovich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Kozlova Nataliya Anatolevna
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Lopatin Yuriy Gennadevich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo

Kotkov Dmitriy Nikolaevich
Nauchno-issledovatelskiy fiziko-tekhnicheskiy institut Nizhegorodskogo gocuniversiteta im. N.I. Lobachevskogo


Abstract
A model has been described of stress-corrosion crack (SCC) origin in low-carbon, low-alloy steels of different chemical and phase content. The steel macroelastic limit has been found to be a threshold stress for the SCC process. Steel ageing in the process of prolonged service has also been found to lead to a decrease in the SCC incubation period and the destructive stress threshold.

File (in Russian)