Multidimensional finite-element simulations of the diffusion and trapping of hydrogen in plasma-facing components including thermal expansion

被引：13

作者：

Benannoune, Sofiane ^{[1
]}

Charles, Yann ^{[1
]}

Mougenot, Jonathan ^{[1
]}

Gasperini, Monique ^{[1
]}

De Temmerman, Greg ^{[2
]}

机构：

[1] Univ Paris 13, Sorbonne Paris Cite, LSPM, CNRS UPR 3407, 99 Ave Jean Baptiste Clement, F-93430 Villetaneuse, France

[2] ITER Org, Route Vinon sUr Verdon,CS 90046, F-13067 St Paul Les Durance, France

来源：

PHYSICA SCRIPTA | 2020年 / T171卷 / 01期

关键词：

FEM; Abaqus; reaction-diffusion code; stainless steel; NUMERICAL-SIMULATION; STAINLESS-STEELS; TRANSPORT; TRITIUM; PERMEATION; 316L; ISOTOPES; SOLUBILITY; SURFACE; BEHAVIOR;

D O I：

10.1088/1402-4896/ab4335

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This is focused on tritium retention and permeation through a 316L stainless steel diagnostic first wall during plasma operations in ITER. A set of data for migration properties is proposed by adjusting the values to fit a simulation using experimental results. A reactive-diffusion model coupled with a mechanical field, solved on 3DS Abaqus finite-element software, is applied to estimate tritium migration. Two-dimensional simulations are compared with one-dimensional simulations and the role of thermal expansion on plastic deformation and trap creation is discussed.

引用

页数：6

共 42 条

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