Modeling of crack formation after pulse heat load in ITER-grade tungsten | Zendy

A. S. Arakcheev | Zendy; A. V. Burdakov | Zendy; A. Huber | Zendy; A. A. Kasatov | Zendy; A. Kreter | Zendy; Ch. Linsmeier | Zendy; Th Löwenhoff | Zendy; Ph. Mertens | Zendy; A.A. Shoshin | Zendy; D. I. Skovorodin | Zendy; A. A. Vasilyev | Zendy; L. N. Vyacheslavov | Zendy; M. Wirtz | Zendy

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Modeling of crack formation after pulse heat load in ITER-grade tungsten

Author(s) -

A. S. Arakcheev,

A. V. Burdakov,

A. Huber,

A. A. Kasatov,

A. Kreter,

Ch. Linsmeier,

Th Löwenhoff,

Ph. Mertens,

A.A. Shoshin,

D. I. Skovorodin,

A. A. Vasilyev,

L. N. Vyacheslavov,

M. Wirtz

Publication year - 2016

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4964218

Subject(s) - tungsten , materials science , brittleness , cracking , heat load , deformation (meteorology) , stress (linguistics) , thermal , thermal expansion , composite material , nuclear engineering , metallurgy , thermodynamics , physics , linguistics , philosophy , engineering

The one-dimensional numerical simulations of the deformation during and after the pulsed heat load are carried out for tungsten manufactured according to ITER specifications. The calculations for stress-relieved tungsten demonstrated the cracking at temperatures above ductile-to-brittle transition temperature. The features of the stresses caused by thermal expansion are discussed

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