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J. Cent. South Univ. (2018) 25: 473-481 DOI: https://doi.org/10.1007/s11771-018-3751-6 Influence of heat treatment on microstructure and tribological properties of flame spraying Fe–Ni–Al alloy... Nature 2018 Abstract: The Fe-based coatings in powder form were deposited on a steel type E335 by flame spraying technique. The effects of the post heat treatment on the microstructure......
New Sensor Concepts for Enhancing Heat Treatment Processes and Analysis Jay I.Frankel1 (1.Mechanical, Aerospace and Biomedical Engineering Department, University of Tennessee,Knoxville, Tennessee, USA) 摘要:The need for developing accurate quenching models requires an extensive experimental database that includes surface heat flux characterization. Quantification of the quenching process permits......
J. Cent. South Univ. (2012) 19: 471-476 DOI: 10.1007/s11771-012-1027-0 Fluid flow and heat transfer characteristics of spiral coiled tube: Effects of Reynolds number and curvature ratio YOO Geun-jong...: Numerical analysis was performed to investigate flow and heat transfer characteristics in spiral coiled tube heat exchanger. Radius of curvature of the spiral coiled tube was gradually increased as total......
, as shown in Fig.2(b). Under constant melting rate condition, when the heat quantity of ingoing molten pool and the output of heat quantity reach balance at 329 s, the steady-state remelting takes place... Numerical simulation of temperature distribution and heat transfer during solidification of titanium alloy ingots in vacuum arc remelting process YANG Zhi-jun(杨治军), ZHAO Xiao-hua(赵小花), KOU Hong......
Effect of heat treatment on mechanical properties of thixoformed 7A09 aluminum alloy WANG Wei-wei(王卫卫), JIA Bin-bin(贾彬彬), LUO Shou-jing(罗守靖) School of Materials Science... in the substrate and the solution precipitated supersaturated elements are the main factors influencing the properties of the alloys. Key words: 7A09 aluminum alloy; heat treatment; mechanical property; semi......
Relationship between heat treatment and corrosion behaviour of Mg-3.0%Nd-0.4%Zr magnesium alloy CHANG Jian-wei(常建卫), GUO Xing-wu(郭兴伍), FU Peng-huai(付彭怀), PENG Li-ming(彭立明), DING Wen-jiang(丁文江... a more protective role than that of NK30-T4 and NK30-T6. Key words: Mg-Nd-Zr alloy; corrosion behaviour; heat treatment; potentiodynamic polarization; electrochemical impedance spectroscopy ......
, with taking the heat transfer from shaft interior boundaries to airflow into account. These models are derived from fundamental equations of fluid dynamics and energy balance. Two typical thermal...J. Cent. South Univ. (2012) 19: 651-656 DOI: 10.1007/s11771-012-1052-z Analytical models for evaluating buoyancy-driven ventilation due to stack effect in a shaft considering heat transfer from shaft......
Trans. Nonferrous Met. Soc. China 20(2010) s768-s773 Microstructural evolution of Mg9AlZnY alloy with vibration in lost foam casting during semi-solid isothermal heat treatment...) and the microstructure of Mg9AlZnY alloy was analyzed. On this basis, the morphology and size of a-Mg grains fabricated by semi-solid isothermal heat treatment(SSIT) at 530 ℃ and 570 ℃ holding different time were studied......
composites with equiaxed microstructure after heat treatment PAN Jin-qi(潘金启), ZHANG Wen-cong(张文丛), YANG Jian-lei(杨建雷),CHEN Wen-zhen(陈文振), CUI Guo-rong(崔国荣) School of Materials Science and Engineering... composites with network architecture were fabricated by hot press sintering (HPS) at 1100 °C for 1 h, and the quantitative relationships between phases and heat treatment temperatures were established......
:TF 821; O 441.4 文献标识码:A Simulation of heat balance in 5 kA grade aluminum reduction cell with inert anodes LI Jie, WANG Zhi-gang, ZHANG Hong-liang, LAI Yan-qing, XU Yu-jie (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: The cell profile and heat balance of 5 kA grade aluminum reduction cell......
