Peculiarities of hydrogen permeation through Zr–1%Nb alloy and evaluation of terminal solid solubility

Denisov, E. A.; Kompaniets, M. V.; Kompaniets, T. N.; Bobkova, I. S.

doi:10.1016/j.jnucmat.2016.01.022

Cited by 4 publications

(1 citation statement)

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“…Some particular problems of the hydrogen materials science related to the topic of this study were presented and investigated in [14][15][16][17][18][19][20][21][22][23]. This work is a continuation of [24][25][26][27], where the results of modelling hydrogen thermal desorption under various limiting factors are presented.…”

Section: Introductionmentioning

confidence: 99%

The Inverse Problem of Identification of Hydrogen Permeability Model

Zaika

Rodchenkova

Kostikova

2018

Advances in Mathematical Physics

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One of the technological challenges for hydrogen materials science is the currently active search for structural materials with important applications (including the ITER project and gas-separation plants). One had to estimate the parameters of diffusion and sorption to numerically model the different scenarios and experimental conditions of the material usage (including extreme ones). The article presents boundary value problems of hydrogen permeability and thermal desorption with dynamical boundary conditions. A numerical method is developed for TDS spectrum simulation, where only integration of a nonlinear system of low order ordinary differential equations is required. The main final output of the article is a noise-resistant algorithm for solving the inverse problem of parametric identification for the aggregated experiment where desorption and diffusion are dynamically interrelated (without the artificial division of studies into the diffusion limited regime (DLR) and the surface limited regime (SLR)).

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