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FATIGUE CRACK PROPAGATION OF Ni-BASE SUPERALLOYS L.Z.Ma1,E.Barbero1,X.B.Liu1,K.M.Chang1 (1.Dept. of Mechanical & Aerospace Engineering, West Virginia University, Morgantown,WV 26506-6106, USA) Abstract:Time-dependent Fatigue Crack Propagation (FCP) behaviors of five Ni-base superalloys were investigated at various temperatures under fatigue with various holding times and sustained loading......
Effect of Lu2O3 on Charge/discharge Performances of Spherical Nickel Hydroxide at High Temperature Ren Junxia1,Li Yuzhan1,Yan Jie1,Wang Xiaojian1,Gao Xueping1 (1.Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071, China) Abstract:Nickel-metal hydride (Ni/MH) batteries are one of promising batteries for electric vehicle applications, but at high temperature the charge......
J. Cent. South Univ. (2017) 24: 374-381 DOI: 10.1007/s11171-017-3439-y Unsteady temperature field of surrounding rock mass in high geothermal roadway during mechanical ventilation ZHANG Yuan(张源)1, 2... and Technology,Xuzhou 221116, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: To explore the spatial-temporal evolution law of rock mass temperature in high geothermal......
was examined, and the effects of temperature on fracture behavior of the composite were investigated. The results show that the average fraction of primary Si and Mg2Si particles in the composites is as high... in-situ composites; fracture behavior; centrifugal casting; high temperature 1 Introduction Particle reinforced aluminum-based composites have excellent properties of high specific strength, specific......
J. Cent. South Univ. Technol. (2011) 18: 1278-1284 DOI: 10.1007/s11771-011-0833-0 Application of high temperature heat pipe in hypersonic vehicles thermal protection BAI Tong(白穜), ZHANG Hong(张红... further the application of high temperature heat pipe in hypersonic vehicles thermal protection, the principles and characteristics of high temperature heat pipe used in hypersonic vehicles thermal......
Effect of Al content on high temperature erosion properties of arc-sprayed FeMnCrAl/Cr3C2 coatings LUO Lai-ma(罗来马)1, LIU Shao-guang(刘少光)2, YU Jia(俞 佳)1, LUO Juan(罗 娟)1, LI Jian(郦 剑)1 1... were analyzed by optical microscopy (OM) and X-ray diffractometry (XRD). High temperature erosion (HTE) tests were performed in an erosion tester at different impact angles. The surface morphologies......
Synthesis and characterization of high ionic conductivity ScSZ core/shell nanocomposites薛倩楠1,黄小卫1,2,张赫1,2,徐宏1,2,张建星1,王良士1,21. National Engineering Research Center for Rare Earth Materials, General..., such as intermediate temperature(650–850 oC) solid oxide fuel cells, oxygen sensors, super capacitors, etc. In order to solve the problem of phase stability and high grain boundary resistance during......
Synthesis and characterization of high ionic conductivity ScSZ core/shell nanocomposites薛倩楠1,黄小卫1,2,张赫1,2,徐宏1,2,张建星1,王良士1,21. National Engineering Research Center for Rare Earth Materials, General..., such as intermediate temperature(650–850 oC) solid oxide fuel cells, oxygen sensors, super capacitors, etc. In order to solve the problem of phase stability and high grain boundary resistance during......
Trans. Nonferrous Met. Soc. China 22(2012) 3046-3052 Haemocompatibility of Ti-3Zr-2Sn-3Mo-25Nb biomedical alloy with surface heparinization using electrostatic self assembly technology YU Sen1, YU... the OH- and groups, and then the heparin was immobilized on the active TiO2 films through the electrostatic self assembly technology. It is shown that the heparinized films are mainly composed......
NUMERICAL SIMULATION OF TEMPERATURE FIELD ON FLASH BUTT WELDING FOR HIGH MANGANESE STEELS B.D. Yu1,W.D. Song2,F.C. Zhang2 (1.China Railway Shanhaiguan Bridge Group Limited Company, Shanhaiguan... of high-manganese steel in FBW. Key words:flash butt welding (FBW); numerical simulation; high manganese steel; temperature field; [全文内容正在添加中] ......
