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MICROSTRUCTURAL EVOLUTION OF AS-CAST ZA27 ALLOY DURING COMPRESSIVE CREEP X.W.Wei1,B.L.Shen1 (1.Department of Metal Science, Sichuan University, Chengdu 610065, China;2.Department of Materials Science and Engineering, Sichuan Institute of Technology, Chengdu 610039,China) Abstract:Phase transformation and microstructural change of an as-cast ZA27 alloy were investigated during compressive creep......
Performance improvement of ZnO film by room-temperature oxygen plasma pretreatment ZHAO Ping(赵 平)1, XIA Yi-ben(夏义本)1, WANG Lin-jun(王林军)1, LIU Jian-min(刘健敏)1, XU Run(徐 闰)1..., Mudanjiang 157012, China Received 10 April 2006; accepted 25 April 2006 Abstract: The room-temperature oxygen plasma treatment before depositing ZnO films on nanocrystalline diamond substrates was studied......
Room-temperature Magnetocaloric Effect in (Co0.35Mn0.65)2P CompoundNaikun Sun 1,2),Da Li 1),Songning Xu 2),Zhenhua Wang 1) and Zhidong Zhang 1) 1) Shenyang National Laboratory for Materials Science... candidates for room-temperature magnetic refrigeration.关键词:......
materials for structural applications[3]. This also happened in aeronautical industry applications. However, the lower strength and creep resistance at elevated temperature limit their wide application[4... are thought to show some promise for use in applications requiring elevated temperature creep resistance[11]. It has been reported that tin addition can improve the creep resistance of magnesium[7]. Rare earth......
property reduction may appear in the range of creep stress of 150-260 MPa. And the lowest point of the room-temperature mechanical property exists near 200 MPa, with the heat treatment regime T6... (mass fraction, %) Fig. 1 Specimen geometry in creep test (unit: mm) 3 Results and discussion 3.1 Mechanical property Measured results of the room-temperature mechanical properties of the three sets......
Room-Temperature Mechanical Properties of Rare Earths Reinforced MoSi2 Material 张厚安1,刘心宇2 (1.Department of Mechanical Engineering and Automation, Xiangtan Polytechnic University,;2.Department.... Their room-temperature properties such as bending strength, fracture toughness and electric conductivity were measured. The results show that rare earths have better strengthening and toughening effects......
Room-temperature and high-temperature magnetic permeability of Co-doped nanocrystalline alloysBin Fu1,Jie Han2,Sheng-Qi Guo1,Zhi Wang3,Pan Zhang4,Zi-Jiao Pan4,Qiang Xu41. Tianjin Key Laboratory... magnetic stability;however, the room-temperature permeability of higher Co content alloys decreases obviously at the same time. This phenomenon was analyzed from the viewpoint of the saturation......
CREEP CRACK GROWTH BEHAVIOR OF ALLOY 718 DURING HIGH TEMPERATURE EXPOSURE Y.P.Zeng1,X.S.Xie1,J.X.Dong1,M.C.Zhang1 (1.Department of Material Science, University of Science and Technology Beijing, Beijing 100083,China) Abstract:Alloy 718 is a precipitation strengthened nickel-based superalloy based on the precipitation ofγ"-Ni3Nb (DO22 structure) and γ-Ni3(Al, Ti) (Ll2 structure) phases. Creep......
Introduction With the rapid development of industry, the reliability the demand of components enduring high temperature and complex load has become higher. For many metals, the creep deformation under room...J. Cent. South Univ. Technol. (2008) 15(s1): 206-209 DOI: 10.1007/s11771-008-347-6 Creep testing and viscous behavior research on carbon constructional quality steel under high temperature YU......
, China) Abstract: The mechanical behavior of EPS (Expanded polystyrene) with three densities at room temperature and under tension loading was studied. The results show that EPS material.... The rate of creep deformation is a function of the material properties, exposure time, exposure temperature and the applied load (stress). Depending on the magnitude of the applied stress and its......
