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The Room Temperature Section of the Phase Diagram of Co-Ge-Sn Ternary SystemChen Rongzhen Zheng Jianxuan Department of Physics,Guangxi University摘 要:<正> The room temperature section of the phase diagram of Co-Ge-Sn ternary system has been determined by means of X-raypowder diffraction method.The section determined consists of 12 single-phases,22......
, the rolling process of GH4169 alloy sheet at room temperature was investigated by finite element method. The effects of rolling reduction, friction coefficient, rolling velocity and initial stress...Effect of Cold Rolling Parameters on the Longitudinal Residual Stress Distribution of GH4169 Alloy SheetNeng-Yong Ye,Ming Cheng,Shi-Hong ZhangInstitute of Metal Research, Chinese Academy of Sciences摘......
Institute of Technology, Harbin 150001, China)Abstract:AZ31 Mg alloy extrusion wires were drawn to a maximum cumulative area reduction of 61% at room temperature, and the 61%-drawn sample was subjected to various annealing treatments for grain refinement. Tensile tests were performed on all the as-drawn and as-annealed samples at a constant strain rate at room temperature. The entire stress-strain......
Electrical conductivity curves of experimental alloys at room temperature 2.3 RE加入量对高温导电性能的影响 对铸态及均匀化态合金进行高温电阻率测试,测试结果如图6所示.从图6可以看出,在100~300 ℃温度范围内,合金1~4的电阻率均随温度的升高不断增大.表4列出了铸态及均匀化态合金在200 ℃的... conductivity of as-cast and homogenized aluminum alloys with Ce-rich rare earth addition were investigated by OM, SEM, room temperature conductivity and high temperature resistivity test. The results......
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The Tb Doping Effect on the Room Temperature Magnetoresistance in(La1-xTbx)0.67Sr0.33MnO3(x≤0.4)Hongwei QIN;Jifan HU;Juan CHEN;Hongdong NIU;Luming ZHU;Zhuo WANG Department of Physics,Shandong... in (La1-xTbx)0.67Sr0.33MnO3, the room temperature magnetoresistance △R/R0drops at first, then undergoes an increase near x≈0.1, and finally drops again. The value of room temperaturemagnetoresistance......
Magnetocaloric Properties of (Gd1-xTbx)3Al2 Compounds Near Room Temperature 龙毅1,万发荣1,陈艳平1 (1.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China) Abstract:Magnetic and thermal properties of the (Gd1-xTbx)3Al2 compounds were studied as potential magnetic refrigerant materials which are used in magnetic refrigeration near room......
THE STRUCTURE CHANGE OF γ-TiAl IRRADIATED BY 50keV XENON IONS AT ROOM TEMPERATURE D.X.Li1,L.L.He1,X.M.Meng1 (1.Laboratory of Atomic Imaging of Solid,Institute of Metal Research,The Chinese Academy... electronmicroscope at room temperature.Some precipitates appeared in the γ-TiAl grains,which have a hexagonal structure with a=0.283nm and c=0.462nm,and seems to bethe disordered Al2 Ti3 phase.The......
Room temperature ferromagnetism of boron-doped ZnO nanoparticles prepared by solvothermal methodM. Hassan Farooq1,Xiao-Guang Xu1,Hai-Ling Yang1,Cong-Jun Ran1,Jun Miao1,M. Zubair Iqbal2,Yong Jiang11.... The room temperature ferromagnetism increases monotonically with increasing B concentration to the ZnO nanoparticles and reaches the maximum value of saturation magnetization 0.0178 A·m2 ·kg-1 for 5 % B......
Friction and Wear Mechanism of Unlubricated 304L Austenitic Stainless Steel at Room Temperature陈国清School of Materials Science and Engineering,Dalian University of Technology摘 要:room temperature.The experimental results demonstrated that the wear rate of the material decreased with the increase of the wear time.The friction coefficient......
