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Fracture behaviors of AZ80 magnesium alloy during multiple forging processes GUO Qiang(郭 强), YAN Hong-ge(严红革), CHEN Zhen-hua(陈振华), ZHANG Hui(张 辉) School of Materials Science and Engineering... magnesium alloy during multiple forging processes were investigated. The results show that the cracks firstly initiate at the Mg/Mg17Al12 interface under the hoop tensile stress on equatorial free surface......
Optimization of press bend forming path of aircraft integral panel YAN Yu(阎 昱), WAN Min(万 敏), WANG Hai-bo(王海波), HUANG Lin(黄 霖) School of Mechanical Engineering and Automation, Beihang...; Abstract: In order to design the press bend forming path of aircraft integral panels, a novel optimization method was proposed, which......
as a Volterra integral equation of the first kind. The final calibration integral equation includes multiple partial integrations involving dummy variables but can be written in terms of compact form... ARTICLE J. Cent. South Univ. (2019) 26: 2100-2108 DOI: https://doi.org/10.1007/s11771-019-4157-9 Resolving double-sided inverse heat conduction problem using calibration integral equation method......
Defect analysis of complex-shape aluminum alloy forging SHAN De-bin(单德彬), ZHANG Yan-qiu(张艳秋), WANG Yong(王 勇), XU Fu-chang(徐福昌), XU Wen-chen(徐文臣), L? Yan(吕 炎) School of Materials Science 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......
temperatures and strain rates: 1-5 s-1; 2-0.5 s-1; 3-0.05 s-1; 4-0.005 s-1 3 Physical modeling of impeller forging It is a difficult job to precisely forge an integral titanium alloy impeller with many... 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......
and manufacture. Female die should not be integral for the sake of the ears and the bottom flange, otherwise the forging cannot be removed from the dies after forging. Hence the female die is divided... Precision forging technologies for magnesium alloy bracket and wheel WANG Qiang(王 强)1, ZHANG Zhi-min(张治民)1, ZHANG Xing(张 星)1, YU Jian-min(于建民)2 1. College of Materials Science and Engineering......
in whole forging process DENG Kan, HUANG Minghui, LU Xinjiang, XIE Jinjing, WANG Zhineng (State Key Laboratory of High Performance and Complex Manufacturing,Central South University, Changsha 410083,China) Abstract: In the process of manufacturing the sophisticated and integral forgings with high performance, the accurate and stable operation of large die forging equipment is needed......
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of the upper and lower dies used in simulation. In each die, 434 rigid triangular elements and 256 nodes are included. During the blade precision forging process, the tenon and the integral tip shroud... Backward tracing simulation of precision forging process for blade based on 3D FEM GAO Tao(高 涛)1, YANG He(杨 合)1, LIU Yu-li(刘郁丽)1, 2 1. College of Materials Science and Engineering......
Forming mechanism of three-dimensional integral fin based on flat surfaceXIANG Jian-hua(向建化)1, 2, DUAN Ji-an(段吉安)1, ZHOU Hai-bo(周海波)1, ZHANG Chun-liang(张春良)2, LIU Gui-yun(刘贵云)2, ZHOU Chao(周超)2(1...)Abstract:To improve heat-transfer performance, a novel integral three-dimensional fin-structure on the plat surface was presented to increase the evaporation efficiency. The three-dimensional fin-structure......
