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the thermal stability of the nanocrystalline, isothermal and isochronal annealing treatment was conducted at different temperatures (from 40 to 300 ?C) for different times (from 5 to 60 min... alloy AZ91D was realized by HESP. Fig.2 Average micro-strain and grain size of AZ91D after HESP treatment Fig.3 FESEM image of surface of AZ91D alloy treated by HESP 3.2 Thermal stability......
) analysis curves of PATAC or PATAH. 2.5 Thermal treatment of PATAC and PATAH The prepared PATAC and PATAH samples were heated to 95 ℃, and then kept at that temperature for 5 h in a tubular furnace...J. Cent. South Univ. Technol. (2008) 15: 808-813 DOI: 10.1007/s11771-008-0149-x Thermal decomposition behaviour of polyacrylamidomethyltrimethyl ammonium chloride in red mud separation process HU......
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and studied on an AZ61 magnesium alloy at room temperature. Measurements were carried out before and after isochronal thermal treatment step by step with increasing temperature. For all specimens... treatment on damping behavior of AZ61 alloy LIU Chu-ming(刘楚明)1,2, LIU Zi-juan(刘子娟)1, ZHU Xiu-rong(朱秀荣)3, HU Bi-wen(胡必文)4, WANG Rong(王 荣)2, WANG Meng-jun(王孟君)4 (1. School of Materials Science......
J. Cent. South Univ. (2012) 19: 30-35 DOI: 10.1007/s11771-012-0968-7 Effects of oxidation treatment on properties of SiO2f/SiO2-BN composites LI Duan(李端), ZHANG Chang-rui(张长瑞), LI Bin(李斌), CAO... (SiO2f/SiO2-BN) were prepared firstly via the sol-gel method and then the urea route, and the effects of oxidation treatment on the component, structure, mechanical and dielectric properties......
码: A Synthesis of single nanocrystal CeO2 and influence of thermal treatment on grain size HAN Ye-bin, MEI Yan, NIE Zuo-ren, ZUO Tie-yong (College of Materials Science and Engineering,Beijing... by precipitation are fluorite structure with high crystallization integrity.The size of particles can be controlled by adjusting the temperature of thermal treatment and aging time. The results......
holding; thermal treatment 1 Introduction Aluminium based alloys can be welded by conventional fusion welding. The tungsten inert-gas welding process and friction stir welding process have been... particles if the alloy is stirred vigorously[4]. On the other hand, WANG[5] have recently shown another alternative to achieve the globular structure is semisolid thermal transformation, and it relies......
Reaction Mechanism and Thermal Insulation Property of Al-deposited 7YSZ Thermal Barrier CoatingXiaofeng Zhang1,2,Kesong Zhou1,2,Wei Xu1,2,Jinbing Song2,Chunming Deng2,Min Liu21. School of Materials... the performance and efficiency of thermal barrier coating(TBC), it is important to improve the thermal insulation property. In this work, a columnar Al film was deposited at the top of 7 wt......
J. Cent. South Univ. Technol. (2011) 18: 2163-2169 DOI: 10.1007/s11771-011-0958-1 Operating performance of novel reverse-cycle defrosting method based on thermal energy storage for air source heat... system operation for air-source heat pumps (ASHPs). A novel reverse-cycle defrosting (NRCD) method based on thermal energy storage to eliminate frost off the outdoor coil surface was developed. Comparative......
Effect of heat treatment on microstructure and dimensional stability of ZL114A aluminum alloy JIANG Long-tao(姜龙涛), WU Gao-hui(武高辉), YANG Wen-shu(杨文澍), ZHAO Yong-gang(赵永刚), LIU Shan-shan(刘珊珊) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 23 October 2009; accepted 16 August 2010 Abstract: The effects of heat treatment process......