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; 文献标识码:A Closing and repairing process of Mg alloy casting imperfections in plastic deformation CAO Han-xue1, 2, LONG Si-yuan1, 2, YOU Guo-qiang1, 2, LIAO Hui-min1 (1. College...: The effects of press deformation on the morphologies evolution of Mg alloy casting imperfections (shrinkage porosity and cavity) and the stress distribution around the casting imperfections were observed......
Cold extrusion deformation behavior of medium carbon steel after quenching and tempering HU Cheng-liang(胡成亮)1, ZHAO Zhen(赵 震)1, YIN Guan-ren(尹冠人)1, YUAN Zhao-feng(袁兆峰)2, XU Xiang...; Abstract: By taking 40Cr as a specific object, cold extrusion deformation behavior of medium carbon steel after quenching and tempering was studied by experimental works. The influence......
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Effects of contents of Nb and C on hot deformation behaviors of high Nb X80 pipeline steels QIAO Gui-ying(乔桂英)1, XIAO Fu-ren(肖福仁)2, ZHANG Xiao-bing(张晓兵)3, CAO Ya-bin(曹雅斌)2, LIAO...; Abstract: The behavior of the flow deformation and the effects of contents of Nb and C on deformation......
Deformation behaviors of 21-6-9 stainless steel tube numerical control bending under different friction conditionsFANG Jun(方军)1, LU Shi-qiang(鲁世强)2, WANG Ke-lu(王克鲁)2, YAO Zheng-jun(姚正军)1(1. Institute..., Nanchang 330063, China)Abstract:For contact dominated numerical control (NC) bending process of tube, the effect of friction on bending deformation behaviors should be focused on to achieve precision......
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INVESTIGATION INTO HOT DEFORMATION BEHAVIOR OF SPRAY FORMED SUPERALLOY GH742 Z.H.Zhang1,S.F.Tian1,G.Q.Zhang1,Z.LI1 (1.National Key Lab. of High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,Beijing 100095,China) Abstract:In order to evaluate the deformation characteristics of spray formed superalloy GH742 and determine the appropriate forging procedure......
Multi-modality liver image registration based on multilevel B-splines free-form deformation and L-BFGS optimal algorithmSONG Hong(宋红)1, LI Jia-jia(李佳佳)2, WANG Shu-liang(王树良)1, MA Jing-ting(马婧婷)1(1...-form deformation (FFD). The affine transformation performed a rough registration targeting the mismatch between the CT and MR images. The B-splines FFD transformation performed a finer registration......
J. Cent. South Univ. Technol. (2011) 18: 866-873 DOI: 10.1007/s11771-011-0775-6 Elastoplastic model for discontinuous shear deformation of deep rock mass WANG Ming-yang(王明洋)1, FAN Peng-xian(范鹏贤)1... to high earth stress, which further result in new problems that have not been well understood and explained up to date. In order to investigate the deformation mechanism, the complete deformation process......
Plastic deformation behavior of Mg97Zn1Y2 extruded alloys K. HAGIHARA1, A. KINOSHITA1, Y. SUGINO1, M. YAMASAKI2, Y. KAWAMURA2, H.Y. YASUDA1, Y. UMAKOSHI3 1. Division of Materials... extruded alloy containing the long-period stacking ordered phase, the so-called LPSO-phase, with a volume fraction of 24%-25%, were examined by compression tests and cyclic tension-compression deformation......