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Analysis of isothermal forging process and mechanical properties of complex aluminum forging for aviationHU Jian-liang(胡建良), YI You-ping(易幼平), HUANG Shi-quan(黄始全) (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China)Abstract:Large complex 7A85 aluminum wing-body joint was forged employing isothermal forging process and its mechanical properties were......
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Isothermal precision forging of Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy impeller with twisted blades SHAN De-bin(单德彬), SHI Ke(史 科), XU Wen-chen(徐文臣), L? Yan(吕 炎) School of Materials Science... isothermal compressing conditions were studied. Furthermore, an alternative material, namely pure lead, was selected to model the forming process of the impeller and investigate metal flow during forging......
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MICROSTRUCTURAL MODEL OF GATORIZED WASPALOY IN THE ISOTHERMAL FORGING PROCESS J.Kramer1,J.H.Du2,Q.Deng2,J.Y.Zhuang2,Z.Y.Zhong2,D.Feng2,J.P.Hu3,P.Janschek1 (1.Thyssen Umformtechnik GmbH, Remsheid... was used to predict the evolution of microstrncturi of Gatorized Waspaloy in the isotherrnal forging process, was developed in terms of dynamic recrystallization and grain growth. Three steps......
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... metal structure quality. Isothermal forging is a metal forming process developed since 1960s, in which dies should be heated and kept at the same temperature as the billet during the whole process[5-6......
and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 28 July 2006; accepted 15 September 2006 Abstract: The isothermal precision forging was applied for the purpose of forming... process project and optimizing the process parameters for forging complex-shape aviation products. Key words: aluminum alloy; defect analysis; isothermal precision forging; FEM; metal forming 1......
. Fig.4 Calculational force-displacement curves 3 Investigation of forging process 3.1 Isothermal forming Magnesium alloy with HCP structure shows a limited formability at room temperature. The forging... are complicated and the deformation is large. The two ears, conical wall and the flange can not accomplish in a single pass by conventional hot forging. Considering above-mentioned reasons, isothermal......
for industrial applications [J]. Journal of Material Processing Technology, 2000, 98: 205-211. [11] LIU Y, BAKER T N. A comparison of experimental and computer-simulated isothermal upset forging of IMI685 titanium alloy [J]. Journal of Material Processing Technology, 2001, 117: 56-61. [12] YANG He, ZHAN Mei, LIU Yu-li. A 3D rigid-viscoplastic FEM simulation of the isothermal precision forging of a blade......
