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"Humanities and Science University Journal" №10 (Physical and mathematical, biological and technical science), 2014.

Hydrogen Diffusion in Weakly-Coupled Vibrating Structures

A. K. Belyaev, V. A. Polyanskiy, Yu. A. Yakovlev
Price: 50 руб.
 The paper concentrates on the study of hydrogen diffusion in vibrating systems on the example of a structure that consists of two parts weakly coupled by an imperfect interface. Hydrogen distribution due to hydrogen diffusion in a system subjected to a
single-frequency harmonic vibration was analyzed. It was demonstrated that the governing equation for one-dimensional diffusion is reduced to a generalized Mathieu equation. A closed form expression of the boundaries of principle instability regions was obtained and a safe level of external harmonic load, under which the system exposes no instability, was determined.
Keywords: vibration, hydrogen diffusion, Mathieu equation, instability chart.
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