A THEORY OF SWELLING DUE TO VOID GROWTH IN IRRADIATED MATERIALS (Ⅰ)——NEUTRAL SINKS | Zendy

Zhu Huilong | Zendy

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A THEORY OF SWELLING DUE TO VOID GROWTH IN IRRADIATED MATERIALS (Ⅰ)——NEUTRAL SINKS

Author(s) -

Zhu Huilong

Publication year - 1989

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.38.1443

Subject(s) - void (composites) , materials science , sink (geography) , irradiation , recombination , swelling , crystallographic defect , dislocation , thermodynamics , composite material , condensed matter physics , nuclear physics , chemistry , physics , biochemistry , cartography , gene , geography

The Point defect concentrations around voids and dislocations in irradiated materials were studied using reaction-diffusion equations. The equations which contained the terms involving recombination of vacancies and interstitials were solved approximately. It turned out that the effects of the recombination on the sink strengths cannot be neglected when damage dose rate and void size become large Actually, we obtain that when void radius is greater than 200A and damage dose rate reaches 10-2 dPa/s the values of void sink and dislocation sink streng ths exceed more than 50% of those given by previous works.

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