EVALUATION OF THE TIME DEPENDENT FAILURE ASSESSMENT CURVES FOR 10CrMo910 AND 316 SS AT 550℃

查看全文 作　　者：[1]F.Z.Xuan;[1]S.D.Tu;[1]Z.D.Wang;[1]C.W.Ma

机构地区：[1]School of Mechanical Engineering, East China University of Science and Technology, Shanghai 200237,China,School of Mechanical Engineering, East China University of Science and Technology, Shanghai 200237,China,School of Mechanical Engineering, East China University of Science and Technology, Shanghai 200237,China,School of Mechanical Engineering, East China University of Science and Technology, Shanghai 200237,China

出　　处：《Acta Metallurgica Sinica(English Letters)》索引2004年第17卷第4期,共7页

基　　金：supported by the National Natural Science Foundation of China(No.50225517);the Natural Science Foundation of Shanghai(No.03ZR14022) 摘　　要：10CrMo910 and 316 stainless steel are widely adopted in high temperature structures of power generations, chemical processing plants and petroleum refineries. In this work, a total of 10000 hour tensile creep test on 16 specimens of such two materials was conducted at 550℃. On the basis of the experimental results, the isochronous stress-strain curves and time-dependent failure assessment curves of the two materials were given. Finally, the formulae of time dependent failure assessment curve for 10CrMo910 and 316 stainless steel corresponding to long-term creep cases, which could be utilized in the high temperature defects assessment, were established. The procedure for defining the time-dependent failure assessment curves was also presented. 关键词：10CrMo910 不锈钢裂纹失效分析应力-应变曲线

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EVALUATION OF THE TIME DEPENDENT FAILURE ASSESSMENT CURVES FOR 10CrMo910 AND 316 SS AT 550℃

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