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Vol.18No.6胡本芙等:W,V对Fe-Cr-Mn奥氏体钢辐照诱起晶界偏析和相稳定性的作用 ·517· 3 Snykers M,Ruedl E.The Influence of Helium on the Swelling Behavior by Electron Irradiation of a Mn-Cr Austenitic Stainless Steel.J Nucl Mater,1981,103 104:1073 4 Mazey D J,Hudson J A,Titchmarsh J M.Observation of the Microstructure of a 8%Manganese Stainless Steel (ICL 016)Before and After Irradiation with 46 MeV Nickle Ions.J Nucl Mater, 1982,107:2 5 Garner F A,Brager H R,Gelles D S.Neutron Irradiation of Fe-Mn,Fe-Cr-Ni Alloys and an Expla- nation of Their Difference in Swelling Behaviour.J Nucl Mater,1987,148:294 6 Garner F A,Abe F,Noda T.Response of Fe-Cr-Mn Austenitic Alloys to Thermal Aging and Neutron Irradiation.J Nucl Mater,1988,155 ~157:877 7 Gelles D S,Garner F A.The Swelling Behavior of Manganese Bearing AISI 316 Steel.J Nucl Mater,.1985,133&134:521 8胡本芙,高桥平七郎,Fe-Cr-MnNi)合金抗辐照损伤特性研究,金属学报,1993,29:A438 9胡本芙,高桥平七郎.电子辐照F©-Cr-Ni奥氏体合金的空洞体胀与诱起晶界偏析研究.金属学报,1988, 24:A180 10 Rehn L E,Okamoto P R,Potter D L,Wiedersich H.Effect of Solute Misfit and Temperature on Irradiation Induced Segregation in Binary Ni Alloys.J Nucl Mater,1978(74):242 Effect of W and V on Induced Segregation and Phase Stability Fe-Cr-Mn Alloy System under Electron-irradiation Hu Benfu)Takahashi Heishichiro2) 1)Department of Materials Science and Engineering,USTB,Beijing 100083,PRC 2)Hokkaido University,Japan ABSTRACT Experimental results of electron-irradiation show that the addition of W and V to the Fe-15Cr-15Mn alloy is effective for void swelling suppression and stability of austenite at grain boundaries increased.Due to addition of w and V,a large of smaller carbides are formed,increasing in quantity of sinks,effectively decreasing the concentration of point defects,simultaneously,the formation of high density dislocation loops is beneficial.Therefore mean free path between dislocation loops decreased.The radi. ation-induced segregation is remarkably suppressed. KEY WORDS electron-irradiation,Fe-Cr-Mn alloy,void swelling,phase stability胡本芙等 , 对 一 一 奥 氏体钢辐照 诱起 晶界偏析和相 稳定性 的作用 , 一 , , , , , , , , 了 一 , 一 一 , , , , 一 一 , , 一 , , , 胡本芙 , 高桥平七 郎 一 一 合金抗 辐照 损伤特性研究 金属 学报 , , 胡本芙 , 高桥平 七 郎 电子 辐 照 一 一 奥 氏体合金 的空 洞 体胀 与诱起 晶界 偏 析研究 金属 学 报 , , , , , 口 , 一 一 一 丑 晌 ’ 几加入 , , , , , 一 一 一 , , , , , 一 一 , 一 一 ,
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