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PROPERTY OF RESISTANCE TO IRRADIATION DAMAGE OF ODS FERRITIC ALLOYS |
SUN Jiguang;CHEN Chaoqing;ZHANG Xishun (General Research institute for Nonferrous Metals; Beijing 100088)TIAN Yan;SHAN Bingquan;PAN Qingchun (Central Iron & Steel Research institute; Beijing 100081) |
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Cite this article:
SUN Jiguang;CHEN Chaoqing;ZHANG Xishun (General Research institute for Nonferrous Metals; Beijing 100088)TIAN Yan;SHAN Bingquan;PAN Qingchun (Central Iron & Steel Research institute; Beijing 100081). PROPERTY OF RESISTANCE TO IRRADIATION DAMAGE OF ODS FERRITIC ALLOYS. Acta Metall Sin, 1998, 34(11): 1210-1216.
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Abstract The property of resistance to irradiation swelling of oxide dispersion strengthened(ODS) ferritic alloys,prepared by mechanical alloying(MA), has been studied by means of electron and ion irradiation simulations.The results showed that ODS alloys are superior to austenitic alloys in the resistance to irradiation swelling and segregation. After high influx of 1.7×1017/cm2 argon ions implantation,bubbles were formed and the top of which chapped slightly on individual sections of the ODS material surface.In addition, ductile-to-brittle transition temperature(DBTT) of ODS alloys were higher than that of Fe-13%Cr alloy. There existed anisotropy of strength induced by rolling.Therefore,ductility of ODS needed to be enhanced.
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Received: 18 November 1998
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