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Effect of Semi-Solid Isothermal Heat Treatment on Microstructure of ZL104 Aluminum Alloy () 摘要:The feasibility of fabricating ZL104 aluminum alloy with non-dendritic microstructure by semi-solid isothermal heat treatment process and the effects of holding temperature and time on the semi-solid isothermal heat-treated microstructure of the alloy, are investigated. The research results indicate......
J. Cent. South Univ. (2018) 25: 1708-1716 DOI: https://doi.org/10.1007/s11771-018-3862-0 Heat transfer performance testing of a new type of phase change heat sink for high power light emitting... of the limitations of solid metal heat sink in the heat dissipation of high power light emitting diode (LED), a kind of miniaturized phase change heat sink is developed for high power LED packaging......
Effect of Heat Treatment on Mechanical Property of High Cr-W Cast Iron刘剑平,李丽霞摘 要:The microstructure of high Cr-W cast iron after heat treatment were analyzed, and the effect of various heat treatment temperature and time on mechanical properties of high Cr-W cast iron were studied, and the best process parameter of heat treatment was provided......
increases firstly, then decreases with increasing cycling number, although the pre-strain, heat treatment and medium vary, respectively. The recovery rate is relatively low when the transformation... shape memory alloys; pre-strain; transformation temperature; shape memory effect; thermal cycling; heat treatment process ......
. Key words: metal matrix composites; heat treatment; fracture; microstructure CLC number: TG146 Document code: A 1 INTRODUCTION In recent years, metal matrix composites(MMCs) have received... For observing the effect of matrix hardness on the fracture mechanism of composite materials, four heat treatment conditions were investigated. 1) As received. 2) Solution treated at 500℃ for 4h and water......
Trans. Nonferrous Met. Soc. China 22(2012) 1613-1619 Effect of heat treatment on tensile deformation behavior of Ni-Co film/Fe substrate systems ZHANG Min-jie1,2, PAN Yong1,2, ZHOU Zhao-feng1,2, LI... Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China Received 18 July 2011; accepted 23 February 2012 Abstract: The effects of heat treatment on microstructure and tension......
Effects of electromagnetic field on structure and heat treatment behavior of Mg-Li-Al alloys MA Lei-juan(马蕾娟), HAO Hai(郝 海), DONG Han-wei(董汉伟), ZHANG Xing-guo(张兴国), JIN Jun-ze(金俊泽) School... on the structure and heat treatment behavior of Mg-Li-Al alloys were studied. Mg-8Li-3Al alloys cast with and without electromagnetic stirring were used for solution treatment and aging treatment......
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Trans. Nonferrous Met. Soc. China 22(2012) 1540-1548 Effect of heat treatment on microstructures and mechanical properties of sand-cast Mg-4Y-2Nd-1Gd-0.4Zr magnesium alloy LIU Zhi-jie1, WU Guo-hua1... conditions were also discussed. The results show that the optimum T4 and T6 heat treatment conditions for the as-cast Mg-4Y-2Nd-1Gd-0.4Zr alloy are 525 ℃, 8 h and (525 ℃, 8 h)+(225 ℃, 16 h......
Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China摘 要:The effect of post-weld heat treatment on the microstructure... of interphase α2 and B2 after post-weld heat treatment of 1000 ℃/2 h.The mechanism of the post-weld heat treatment makes the hardness distribution of joints homogeneous,but makes the whole joint somehow......
