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Irradiation creep by the climb-controlled glide mechanism in pulsed fusion reactors

 

作者: H. Gurol,   N.M. Ghoniem,  

 

期刊: Radiation Effects  (Taylor Available online 1980)
卷期: Volume 52, issue 1-2  

页码: 103-125

 

ISSN:0033-7579

 

年代: 1980

 

DOI:10.1080/00337578008210023

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The effects of irradiation pulsing on the enhanced climb-glide creep strain are analyzed. A variety of pulsed systems have been studied by adytically modeling the time-dependence of the bulk point-defect concentrations given by the rate theory. Equations for the creep strain are derived for Tokamak-type fusion reactors, pulsed accelerators and inertial confinement fusion reactors, including the effects of mutual point-defect recombination. The creep in pulsed fusion reactors is compared with the creep in systems subject to steady irradiation of equal total dose. It is found that point-defect concentration cycling (due to radiation pulsing) results in enhancement of the irradiation creep strain. In particular, a very large temperature-dependent enhancement is found for inertial confinement fusion reactors. The theoretical results are also compared with experimental data on deuteron irradiated nickel. Good agreement is obtained with the parameters used.

 

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