Parametric instability in cyclic loading as the cause of fracture of hydrogenous materials
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The paper presents experimental data showing that fatigue loading is accompanied by redistribution of the dissolved hydrogen concentration in the region of fatigue damage accumulation. Amodel description of this process as the manifestation of parametric instability of a two-continuum medium is given.
Keywordshydrogen brittleness fatigue strength fatigue diffusion two-continuum model
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- 1.Yu. S. Nechaev, “Micromechanisms of Influence of Small Hydrogen Additions on the Mechanical Properties of Metals and Alloys,” Materialoved., No. 11, 40–45 (2001).Google Scholar
- 2.W. Gorsky, “Theorie der Ordnungsprozesse und der Diffusion in Mischkristallen von CuAu,” Sow. Phys., No. 8, 443–456 (1935).Google Scholar
- 3.V. A. Polyanskiy, A. M. Polyanskiy, A. K. Belyaev, and Yu. A. Yakovlev, “Determination of Small Hydrogen Traps as Nucleus of Fatigue and Destruction,” in Advances in Material Sciences, Ed. by D. Kuznetsov and O. N. Shubin (Albuquerque, NewMexico, 2009), pp. III-21–III-25.Google Scholar
- 4.A. M. Polyanskii, V. A. Polyanskii, and Yu. A. Yakovlev, “Investigation of the Fatigue and Fracture Processes for Metallic Materials by the Method of Determining the Hydrogen Bond Energy in Solids,” Deformats. Razrush. Materialov, No. 3, 39–43 (2009).Google Scholar
- 5.A. K. Belyaev, V. A. Polyanskii, and Yu. A. Yakovlev “Stresses in a Tube Affected by Hydrogen,” Acta Mech. 224(3–4), 678–690 (2012).Google Scholar
- 6.O. G. Kasatkin, “Specific Characteristics of Hydrogen Embrittlement of High-Strength Steels in Welding,” Avtomatich. Svarka, No. 1, 17–22 (1994) [Paton Welding J. (Engl. Transl.)].Google Scholar
- 7.V. V. Bolotin, Dynamic Stability of Elastic Systems (Gostekhizdat, Moscow, 1956) [in Russian].Google Scholar