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Homogenization heat treatment of Mg-7.68Gd-4.88Y-1.32Nd-0.63Al-0.05Zr alloy张国栋,李兴刚,马鸣龙,李永军,石国梁,袁家伟,张奎State Key Laboratory for Fabrication and Processing of Non-ferrous Metals, Beijing General... investigated both in the as-cast condition and after homogenization heat treatment from 535 to 555 oC in the time range 0–48 h by optical microscopy, scanning electron microscopy and hardness measurement......
Modeling and Simulation of Heat Transfer in Loaded Continuous Heat Treatment Furnace () 摘要:Continuous furnaces are widely used in the heat treatment of mass-produced parts. However, the heating... based on the calculated temperature distributions and curves, especially, the fastest heated and slowest-heated temperature-distance profiles. A case study is carried out for the heat treatment......
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......
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Effect of Heat Treatment on Microstructure and Microhardness of Directionally Solidified NiAl-Cr(Mo)-Hf Intermetallic Alloy GUO Jian-ting1,XU Chun-mei2,XIE Xi-shan2 (1.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China;2.University of Science and Technology Beijing,Beijing,China) 摘要:The effect of heat treatment on microstructure and microhardness of directionally......
Effect of Heat Treatment on Structure and Electrochemical Properties of Electro-deposited Ni-P Amorphous Alloy SUN Dong-bai1,WANG Yu1,GUO Jin-biao1,LI Hui-qin1 (1.Beijing University of Science and Technology, Beijing, China) 摘要:The influences of heat treatment time on structure and the electrochemical behavior of electro-deposited amorphous Ni-P alloy coating were studied. The results show......
J. Cent. South Univ. (2012) 19: 1785-1790 DOI: 10.1007/s11771-012-1208-x Microstructure and mechanical properties of Al-5.8Mg-Mn-Sc-Zr alloy after annealing treatment CHEN Qin(陈琴)1, PAN Qing-lin(潘清林... recovery and recrystallization orderly occur with the increase of annealing temperature during stabilizing treatment. Only different degrees of recovery occur in the alloys annealed below 400 ℃ for 1 h......
Heat Treatment of Modified 6005A Alloy for Vehicles GUO Ming-Xing1,WANG Ming-Pu1,LI Zhou1,CAO Ling-fei1 (1.School of Materials Science and Engineering, Central South University, Changsha 410083, China) 摘要:Modified 6005A alloy was reported and its mechanical properties were studied by tensile test, hardness measurement and TEM analysis. Results show that the favorable aging condition for 6005A......
nitride capacity and nitrogen distribution ratio. The results indicated that Both fluxes treatment were available for denitrogenizing steel. The kinetic studies about denitrogenization showed......
Numerical Simulation of Vacuum Heat Treatment Thermal Hysteresis Time of GH4169 Superalloy Workpiece ZHANG Fan-yun1,WANG Ming-wei2,LI Chen-hui1,ZHANG Li-wen2,ZHANG Zun-li1,ZHANG Li-sheng1,JIANG... of vacuum heat treatment process was developed. In this model, influence of many factors, such as nonlinear heat radiation, temperature-dependent thermal physical properties of material are considered......