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THE INFLUENCE OF TEMPERATURE AND ADMIXTURES ON ACTIVATION OF LOW CALCIUM FLY ASH李东旭摘 要:<正>According to composition and structure properties of low... of reaction and pore structure analysis test results show that composite alkali play an important role in the activation and degree of reaction of fly ash at room temperature. But when increasing......
Low cycle fatigue properties and cyclic deformation behavior of as-extruded AZ31 magnesium alloy S. KWON1, K. SONG2, K. S. SHIN2, S. I. KWUN1 1. Department of Materials Science... Abstract: The low cycle fatigue(LCF) properties of as-extruded AZ31 Mg alloy were investigated under total strain amplitudes in the range of 0.4%-1.2% with strain rate of 1×10-2 s-1. Due to the twinning......
LOW TEMPERATURE THERMODYNAMIC STUDY OF THE STABLE AND METASTABLE PHASES OF SILVER H.J. Peng1,Y.Z. Nie1,X.B. Li2,Y.Q. Xie1 (1.School of Material Science and Engineering, Central South University, Changsha 410083, China;2.Research Center of Advanced Materials, Xiangtan University,Xiangtan 411105, China) Abstract:The low temperature thermodynamics of the stable phase of silver was assessed......
J. Cent. South Univ. (2017) 24: 2245-2252 DOI: https://doi.org/10.1007/s11771-017-3634-2 Effect of ultraviolet mutagenesis on heterotrophic strain mutation and bioleaching of low grade copper ore WU... 2017 Abstract: The effect of ultraviolet mutagenesis on a heterotrophic strain (Providencia JAT-1) mutation was studied and bioleaching of low grade copper ore with mutant bacteria was investigated......
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Effects of Rare Earth Elements on the Characteristics of Low Temperature Plasma Nitrocarburized Martensitic Stainless SteelR.L. Liu 1,2) , Y.J. Qiao 1) , M.F. Yan 2) and Y.D. Fu 1) 1) College...:Low temperature plasma nitrocarburizing of 17-4PH martensitic stainless steel was conducted at 430℃ with and without rare earth (RE) addition......
J. Cent. South Univ. Technol. (2011) 18: 1572-1578 DOI: 10.1007/s11771-011-0874-4 1.0 V low voltage CMOS mixer based on voltage control load technique WEI Bao-lin(韦保林)1, DAI Yu-jie(戴宇杰)2, ZHANG..., the load impedance in this proposed mixer is controlled by the LO signal, and it has only two stacked transistors at each branch which is suitable for low voltage applications. The mixer was designed......
produced respectively in Mo-free low-carbon steels by changing cooling rate. It has been found that granular bainite possesses a lower strength at room temperature than bainitic ferrite...Evolution of Microstructures of a Low Carbon Bainitic Steel Held at High Service TemperatureChao Sun,Shanwu Yang,Guoliang LiuSchool of Materials Science and Engineering, University of Science......
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austenite. Meanwhile, the experimental results showed that the effect of austempering temperature on the wear resistance of ultrafine bainitic steel can be neglected under low applied loads and low...Mechanical properties and wear resistance of ultrafine bainitic steel under low austempering temperatureWei Liu1,You-hui Jiang1,Hui Guo2,Yue Zhang1,Ai-min Zhao1,Yao Huang31. Collaborative Innovation......