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Defect-production and recovery in an electron-irradiated fe-40at%ai ordered alloy

 

作者: J.P. Riviere,   J.F. Dinhut,   J. Dural,  

 

期刊: Radiation Effects  (Taylor Available online 1983)
卷期: Volume 69, issue 1-2  

页码: 47-60

 

ISSN:0033-7579

 

年代: 1983

 

DOI:10.1080/00337578308221724

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Poly and single crystals of ordered Fe-40 at.% Al alloy were irradiated with 2.5 MeV electrons at 21 K and then annealed. Increases in the radiation-induced resistivity are interpreted in terms of the production and recombination of Frenkel-pairs. An estimate is given for the specific Frenkel-pair resistivity ρHFand for the effective recombination volumeVo. Three well-defined recovery stages were observed at 100 K, 500 K and 610 K respectively, attributed to close-pair recombination, long-range interstitial elimination at vacancies and finally vacancy elimination. A decrease below the resistivity value of unirradiated samples was always noticed above 600 K during the vacancy migration stage and attributed to an order-enhancement process. Such a behavior is discussed by comparison with the recovery of the same alloy after neutron irradiation.

 

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