ISOCHRONOUS STRESS-STRAIN CURVES OF LOW ALLOY STEEL CROSS-WELD-SPECIMEN AT HIGH TEMPERATURE
来源期刊：Acta Metallurgica Sinica2004年第4期
论文作者：Z.D.Wang F.Z.Xuan S.T.Tu C.W.Ma
Key words：isochronous stress-strain curve; creep deformation; high temper-ature; welded joint; low alloy steel;
Abstract: In this work, a parametric approach is presented and utilized to determine the creep properties of weldments; then the model of creep strain for cross weld specimen is given. On the basis of the experimental results, attempt has been made to establish equations of the isochronous stress-strain for weld joint that can predict the function of loading and service time in use of the creep data of base metal and weld metal.
Z.D.Wang1，F.Z.Xuan1，S.T.Tu1，C.W.Ma1
(1.East China University of Science and Technology, Shanghai 200237, China;
2.Nanjing University of Technology, Nanjing 210009, China)
Abstract:In this work, a parametric approach is presented and utilized to determine the creep properties of weldments; then the model of creep strain for cross weld specimen is given. On the basis of the experimental results, attempt has been made to establish equations of the isochronous stress-strain for weld joint that can predict the function of loading and service time in use of the creep data of base metal and weld metal.
Key words:isochronous stress-strain curve; creep deformation; high temper-ature; welded joint; low alloy steel;
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