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Article ID: 1003-6326(2005)05-1009-05 Solution for slab forging with bulge between two parallel platens by strain rate vector inner-product integration and series expansion ZHAO De-wen(赵德文... was developed. First, effective strain rate for slab forging with bulge was expressed in terms of two-dimensional strain rate vector, and its inner-product was integrated term by term. Second, a summation......
Design of relief-cavity in closed-precision forging of gearsZUO Bin(左斌), WANG Bao-yu(王宝雨), LI Zhi(李智), ZHENG Ming-nan(郑明男), ZHU Xiao-xing(朱小星) (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China)Abstract:To reduce the difficulty of material filling into the top region of tooth in hot precision forging of gears using the alternative die designs......
by laser additive manufacturing and forging technology ZHANG Jin-liang(张金良)1, YE Jie-liang(叶界梁)1, SONG Bo(宋波)1,LI Rui-di(李瑞迪)2, SHI Yu-sheng(史玉升)1 1. State Key Laboratory of Materials Processing and Die... by laser additive manufacturing and forging technology was conducted. There are hole defects in LENS-fabricated Al7075 alloy with uniformly distributed η phase. No defects are observed in Al7075 forgings......
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3D FEA simulation of 4A11 piston skirt isothermal forging process DONG Wan-peng(董万鹏), CHEN Jun(陈 军) Department of Plasticity Engineering, Shanghai Jiao Tong University, Shanghai 200030, China... interests, which may benefit energy conservation and environmental protection. Another technical renovation is about manufacturing process. Forging is adopted to substitute for casting to gain a better......
Semisolid die forging process,microstructures and properties of AZ31 magnesium alloy mobile telephone shellsRen-guo Guan1),Li-qing Chen2),Fu-rong Cao1),Zhan-yong Zhao1),and Yong Ren2) 1) College...="ChDivSummary">A semisolid slurry of AZ31 magnesium alloy was prepared by vibrating wavelike sloping plate process,and the semisolid die forging process,microstructures,and properties of the magnesium alloy......
Trans. Nonferrous Met. Soc. China 22(2012) 1939-1946 Comparison of microstructures and mechanical properties between forging and rolling processes for commercially pure titanium XU Chun1, ZHU... 10 November 2011; accepted 18 August 2012 Abstract: In order to reveal the differences caused by forging and rolling process for titanium ingots, hot compression behavior, mechanical properties......
Effect of near isothermal forging on the microstructure of Ti3Al/TC11 welding interfaceLIU Yingying, YAO Zekun, and GUO Hongzhen College of Materials Science and Engineering, Northwestern... processed using near isothermal forging and gradient heat treatment. The experimental results show that the near isothermal forging processing parameters have little effect on the phase constitution......
Effects of Process Parameters on the Temperature Field in Ti-6Al-4V Alloy Blade Precision Forging ProcessYuli LIU,He YANG, Tao GAO and Mei ZHAN College of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China摘 要:<正>Blade precision forging is a high temperature and large plastic deformation process. Process......
Isothermal forging process design for spray-formed FGH95 superalloy turbine disk based on numerical simulationBiao Guo1,Chuan-Sui Sun1,Sui-Cai Zhang1,Chang-Chun Ge1,21. School of Materials Science... distribution in both dies and billet during the isothermal forging process of turbine disk of large dimension(about 400 mm in diameter) by the means of finite element method(FEM). Moreover, the optimum process......