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Trans. Nonferrous Met. Soc. China 20(2010) s921-s925 Numerical simulation on thixo-co-extrusion of double-layer tube with A356/AZ91D WANG Kai-kun(王开坤), SUN Jian-lin (孙建林), MENG Hai-feng... Abstract: Based on analysis of the main forming methods for double-layer tube, a new short-term forming process called thixo-co-extrusion was put forward in producing double-layer tube by combining......
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J. Cent. South Univ. (2020) 27: 2324-2337 DOI: https://doi.org/10.1007/s11771-020-4452-5 Heat transfer simulation of annular elliptical fin-and-tube heat exchanger by transition SST model H NEMATI1... Abstract: In this study, thermo-fluid characteristics of elliptical annular finned tube heat exchanger were numerically studied in detail. Transition SST model was utilized to simulate turbulent flow......
Solution of rectangular bar forging with bulging of sides by strain rate vector inner-product WANG Lei1, JIN Wen-zhong2, ZHAO De-wen3, LIU Xiang-hua3 1. School of Materials Science... of a rectangular bar with flat tools. The effective strain rate for rectangular bar forging with bulging was expressed in terms of four-dimensional strain rate vector. The inner-product of the vector......
Special-shaped tube drawing forming and conformal optimization of die cavity QI Hong-yuan(齐红元), ZHU Heng-jun(朱衡君) School of Mechanical and Electric Control Engineering,Beijing Jiaotong University, Beijing 100044, China Received 20 April 2006; accepted 30 June 2006 Abstract: Aiming at the issues in quick processing and modeling design of drawing special-shaped tube die, by Conformal......
-feng(张于峰), MA Hong-ting(马洪亭)(School of Environmental Engineering, Tianjin University, Tianjin 300072, China)Abstract:Thermogravimetric study of medical transfusion tube (MTT) waste containing... for the engineering.Key words:medical waste; polyvinyl chloride (PVC); medical transfusion tube (MTT); pyrolysis characteristics; model......
Warm hydroforming of magnesium alloy tube with large expansion ratio LIU Gang(刘 钢), TANG Ze-jun(汤泽军), HE Zhu-bin(何祝斌), YUAN Shi-jian(苑世剑) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 23 October 2009; accepted 23 August 2010 Abstract: Process of warm tube hydroforming was experimentally investigated for forming an AZ31B magnesium......
Wrinkling behavior of magnesium alloy tube in warm hydroforming TANG Ze-jun(汤泽军), LIU Gang(刘 钢), HE Zhu-bin(何祝斌), YUAN Shi-jian(苑世剑) School of Materials Science and Engineering, Harbin Institute...; Abstract: In tube hydroforming with axial feeding, under the effect of coupled internal pressure and axial stress, wrinkles often......
Microstructural effects in corrosion of aluminium tube alloys WANG Guan1, JIAO Hui-sheng2 1. Institute of Mechatronics, Guangdong University of Technology, Guangzhou 510006, China; 2. Oxford... failure when they are formed into "u-bend" via cold deformation. The relationship between the electrochemical reactivity and the microstructure of the bent vs straight parts of the tube......
Mechanical property and formability of AZ31B extruded tube at elevated temperature HE Zhu-bin(何祝斌)1, LIU Gang(刘 钢)1, WU Jia(吴 佳)1, YUAN Shi-jian(苑世剑)1, LIANG Ying-chun(梁迎春)2 1...; Abstract: The mechanical properties of AZ31B magnesium alloy tube were tested by ring hoop tension test at different temperatures. The formability for tube hydroforming......