Analysis and Assessment of the Effects of Corrosive Hydrogen Media on the Stress-Strain State of a Spherical Titanium Alloy Shell

Author:

Kuznetsova Violetta1,Barkova Maria2,Zhukov Alexandr3,Kartsan Igor4

Affiliation:

1. Tula State University

2. Joint Stock Company «Russian Space Systems»

3. Institute of Astronomy of the Russian Academy of Sciences

4. Marine Hydrophysical Institute, Russian Academy of Sciences

Abstract

We consider the creation of a mathematical model describing the effect of corrosive hydrogen environment on the stress state of a hollow spherical shell made of titanium alloy grade VT1-0, the load is evenly distributed throughout the shell. The solution of the problem in practice was carried out by two-step method of sequential perturbation of parameters using MatLab and Maple programs. To solve the system of solving differential equations the finite difference method was applied. The solution of the diffusion equation of the aggressive hydrogen medium has been considered and the obtained solution has been compared with the results of the classical theory which does not take into account the aggressive effect of the corrosive medium.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference22 articles.

1. V.I. Astaf'ev, L.K. Shiryaeva, Damage accumulation and corrosion cracking of metals under stress, Samara University Press, Samara,(1998).

2. M.E. Barkova, Processing of technogenic space debris into fuel at low orbits, Proceedings of MAI. 110 (2020) 17-37.

3. P.P. Balandin, To the question of strength hypotheses, Bulletin of engineers and technicians. 1 (1937) 37-41.

4. A.G. Illarionov, A.A. Popov, Technological and operational properties of titanium alloys, Publishing house of Ural. Univ., Yekaterinburg, (2014).

5. B.A. Kolachev, V.A. Livanov, L.A. Bukhanova, Mechanical properties of titanium and its alloys, Metallurgy, Moscow, (1974).

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