Creep-rupture behaviour of a cruciform specimen under equal triaxial tension

In most cases the metal structures service under operating conditions results in the fact that these structures or their certain elements are constantly affected not only by mechanical factors (load, residual stresses, etc.), but also by the environment. Elements of pipelines, load-bearing sections of thermal and hydroelectric power stations, metal structures of bridges are all influenced by the environment that fills or surrounds them. Such environment depending on the content of acids and alkalis, a number of hydrogencontaining media can be corrosive. It should be also noted that the influence of such corrosive environment and mechanical factors influence are simultaneous and interrelated resulting very often in brittle or quasi-brittle metal fracture. Therefore, the problem of estimating the basic metal structures engineering parameters (strength, reliability, etc.) that are corroded by the simultaneous action of mechanical force factors, is currently an important problem of industrial operation. The problems of hydrogen interaction and stresses in metal structures are still not sufficiently investigated. While hydrogenating the metal body, the linear dimensions of its elements and volume change. At the same time, changing body volume, under certain conditions, causes internal stresses. Let us assume that the interaction between hydrogen atoms is negligible.

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Creep-rupture behaviour of a cruciform specimen under equal triaxial tension

Cited by 3 publications

References 8 publications

Methods for the Determination of the Stress-Strain State of a Metal Under the Action of Gaseous Hydrogen and Temperature

Methods for the Determination of the Stress-Strain State of a Metal Under the Action of Gaseous Hydrogen and Temperature

A lower bound to the creep rupture time of pressurised thick cylinders

Determination of hydrogen concentration influence on stresses in structures

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