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, formability evaluation was conducted again. Luckily, the safety criteria were satisfied well. This meant that this part could be manufactured by the two-stage stretch forming. To further check its... Process design for multi-stage stretch forming of aluminium alloy aircraft skin HE De-hua(何德华), LI Xiao-qiang(李小强), LI Dong-sheng(李东升), YANG Wei-jun(杨伟俊) School of Mechanical Engineering......
Numerical analysis of dimension precision of U-shaped aluminium profile rotary stretch bending YU Zhong-qi(于忠奇), LIN Zhong-qin(林忠钦) School of Mechanical Engineering, Shanghai Jiao Tong...; Abstract: In order to enhance the dimension precision of bent part, advanced bending technologies is requested recently. Rotary stretch......
specific strength and excellent high-temperature resistance[2-3]. For some titanium-alloy sheets with preferable formability such as TC1 and TA15, stretch forming at room temperature (also called cold... Optimization on springback reduction in cold stretch forming of titanium-alloy aircraft skin HE De-hua(何德华), LI Dong-sheng(李东升), LI Xiao-qiang(李小强), JIN Chao-hai(金朝海) School of Mechanical......
Texture and stretch formability of rolled Mg–Zn–RE(Y, Ce, and Gd) alloys at room temperatureZheng-Xu Cai,Hai-Tao Jiang,Di Tang,Zhao Ma,Qiang KangNational Engineering Research Center of Advanced...,and Gd addition on texture and stretch formability of Mg–1.5Zn alloys was carried out.The result shows that Y,Ce,and Gd addition in Mg–1.5Zn alloys can effectively weaken and modify the basal plane texture......
Application of new VBHF optimization strategy to improve formability of automobile panels with aluminum alloy sheet WANG Wu-rong(王武荣)1, CHEN Guan-long(陈关龙)1, LIN Zhong-qin(林忠钦)1, 2 1. School... (Variable Blank Holder Force) optimization strategy was employed to determine the optimal time-variable and spatial-variable BHF trajectories, aiming at improving the formability of automobile panels......
Trans. Nonferrous Met. Soc. China 30(2020) 647-656 Influence of trace Ca addition on texture and stretch formability of AM50 magnesium alloy sheet Hong-liang ZHAO1, Yun-xiao HUA1, Xiang-lei DONG1... the effect of trace Ca addition on the texture and stretch formability of AM50 alloy. The results show that the addition of trace Ca can effectively modify the basal texture, which is characterized......
of magnesium alloy sheet is an effective way to improve the formability. In addition, CHINO et al[9] showed that the specimens with a larger grain size exhibit higher stretch formability. The enhanced... the texture but also the grain size affects the stretch formability. Previous studies[10-12] revealed that the repeated unidirectional bending (RUB) process could improve the formability of magnesium......
J. Cent. South Univ. (2012) 19: 875-881 DOI: 10.1007/s11771-012-1086-2 Stretch rate and deformation for pre-stretching aluminum alloy sheet ZHU Cai-chao(朱才朝)1, LUO Jia-yuan(罗家元)1, 2 1. State Key... which the stress variation curves and residual stress of aluminum alloy sheet in different stretch rates were obtained. The results show that the residual stress in length direction is released after......
Mg alloy sheets, has been an important research topic for the past several decades because it has significant influence on stretch formability at room temperature. For Mg alloys, {10-12} twinning can..., it has been verified that texture control via pre-twinning deformation can remarkably improve stretch formability of rolled Mg alloy sheets. In this review, recent researches on texture control via......
="ChDivSummary" name="ChDivSummary">The stretch formability of a low carbon steel processed by friction stir processing(FSP) was studied under biaxial loading condition applied by a miniaturized Erichsen... in formability under uniaxial loading. A coarse-grained(CG) sample before FSP reflected a moderate formability with an Erichsen index(EI) of 2.73 mm. FSP slightly decreased the stretch formability of the sample......