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">Traditionally the deformation resistance in creep is characterized by the minimum creep rate εminand its sensitivity to stress(stress exponent n) and temperature(activation energy Q). Various values...Correct Interpretation of Creep Rates: A Case Study of CuW.Blum1,J.Dvoák2,P.Král2,P.Eisenlohr3,V.Sklenika31. Institut für Werkstoffwissenschaften, University of Erlangen-Nürnberg2. Institute......
J. Cent. South Univ. Technol. (2008) 15(s1): 391-396 DOI: 10.1007/s11771-008-386-z Numerical simulation of creep characteristics of soft roadway with bolt-grouting support WANG Lian-guo(王连国)1..., three creep models with different support patterns in soft rock roadway were established by using geotechnical software of FLAC2D. According to the calculation results of different models, the change......
Improvement of Creep and High Temperature Tensile Properties by Adding W to Orthorhombic Ti2AlNb-Based Alloys Fang Tang1,Masuo Hagiwara1,Satoshi Emura1 (1.National Research Institute for Metals, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan) 摘要:The Orthorhombic Ti2AlNb-based alloys (O alloys) are potential high temperature materials for applications in aircraft engines for their high......
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Microstructure Evolution of a Single Crystal Nickel-Base Superalloy During Heat Treatment and Creep GUAN Heng-rong1,SUN Xiao-feng1,WANG Zhi-hui1,ZHAO Nai-ren1,YANG Da-yun JIN Tao1,HU Zhuang-qi1 (1.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China) 摘要:Microstructure evolution of a single crystal nickel-base superalloy during heat treatment and tensile creep at1010......
of TCP phase[9,10]. And the presence of TCP phases has been found to be detrimental to properties of alloys such as rupture strength, tensile ductility at room temperature, impact toughness and corrosion... rupture lifetime under the applied stress of 200 MPa at 982 ℃, and the creep lifetime of it are obviously decreased as the element W content is increased up to 6%. 3) During high temperature creep......
(12Cr2MoWVTiB(G102)) have been investigated by means of pulsed argon arc welding, high temperature accelerated simulation, mechanical and creep rupture test, and scanning electronic microscope (SEM). The results...Influence of Creep Strength of Weld on Interfacial Creep Damage of Dissimilar Welded Joint between Martensitic and Bainitic Heat-Resistant Steel张建强1,2,ZHANG Guodong2,LUO Chuanhong2,ZHANG Yinglin21......
and experimentally determined creep curves of K465 and DZ125 superalloys over a range of temperatures and stresses. Furthermore, the linear relationship between creep temperature and initial stress...A modified θ projection model for constant load creep curves-Ⅱ.Application of creep life predictionChao Fu1,Yadong Chen1,Xiaofei Yuan1,Sammy Tin2,Stoichko Antonov1,Koichi Yagi3,Qiang Feng11. Beijing......
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and temperature ranges,have been proposed to beεs=1.6×10-5(D1Gb/KT) (b/d )0.19[(σa-σ0)/G]1.35in diffusional creep region, andεs =75(D1Gb/KT) (b/d)-0.42[(σa-σ0)/G]5.5in dislocation power law creep region.关键...Steady State Creep Rate Equation of Inconel 718 Superalloy韩雅芳,M.C.Chaturvedi摘 要:<正> The steady state creep rate equdtion ofa nickel base superalloy......
