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anisotropy. Meanwhile, the higher Erichsen cupping index is obtained and this annealing parameter will provide a better plastic formability at room temperature to the as-cold rolled LA141 sheet... Grain refinement and plastic formability of Mg-14Li-1Al alloy JIANG Bin(蒋 斌)1, 2, YIN Heng-mei(殷恒梅)2, LI Rui-hong(李瑞红)1, 2, GAO Liang(高 亮)1, 2 1. National Engineering Research Center......
Compressive formability of 7075 aluminum alloy rings under hydrostatic pressure LIU Gang(刘 钢), WANG Li-liang(王礼良), YUAN Shi-jian(苑世剑), WANG Zhong-ren(王仲仁) School of Materials Science... the direction of the maximum shear stress. Key words: ring sample; compression; hydrostatic pressure; formability; 7075 aluminum alloy 1 Introduction In order to meet the demand of light-mass......
lower strength and poorer surface quality through hot forming, so cold stamping, carried out by improving the formability of magnesium alloy sheets, gets attractive. At present, the methods... unidirectional bending (RUB) process improved cold stamping formability of magnesium alloy sheets by weakening basal texture of sheets[17-18]. However, the research on cold stamping of cell phone house......
Quasi-static-dynamic formability of AA5052-O sheet under uniaxial and plane-strain tension LIU Da-hai(刘大海), YU Hai-ping(于海平), LI Chun-feng(李春峰) School of Materials Science...; Abstract: An experimental study on the quasi-static-dynamic formability specified in electromagnetically assisted......
Deformation behaviors of magnesium alloy AZ31 sheet in cold deep drawing YANG Lian-fa(杨连发)1, MORI Ken-ichiro2, TSUJI Hirokazu2 1. School of Electromechnical Engineering, Guilin University...: To investigate how the popular magnesium alloy AZ31 sheet (aluminum 3%, zinc 1%) behaves in cold working, deep drawing experiments at room temperature, along with finite element(FE) simulation,were performed......
Microstructure evolution and mechanical properties of1 000 MPa cold rolled dual-phase steel ZHAO Zheng-zhi(赵征志), JIN Guang-can(金光灿), NIU Feng(牛 枫), TANG Di(唐 荻), ZHAO Ai-min(赵爱民) Engineering...; Abstract: The microstructure evolution of 1 000 MPa cold rolled dual-phase (DP......
冷轧工艺对00Cr21MoNbTi铁素体不锈钢组织,织构与成形性能的影响顾金磊1,2,余海峰2,顾佳卿2,江来珠2,金学军-2(1.上海市上海交通大学材料科学与工程学院2.上海市宝钢股份研究院不锈钢技术中心)摘 要:利用电子背散射衍射技术(EBSD)研究了冷轧轧程和冷轧压下率对00Cr21MoNbTi铁素体不锈钢的组织,织构与成形性能的影响.结果表明:随轧程数的增加,再结晶晶粒尺寸变化不大,但材料的平均r值相应提高;相同两轧程条件下,随累计压下率增大,材料的再结晶晶粒尺寸细化,平均r值以及{111}织构组分含量......
working response of a 41Cr4 steel has been investigated by means of torsion tests at temperatures of 850, 950 and 1 050 ℃[5]. To improve the cold formability, annealing treatment is commonly used in cold... 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......
Rotation of Main Slip Plane {110} and Variation of Strain Hardening Rate in Cold Rolling Deformation of BCC Steel Z.M.Yu1,G.Y.Li1 (1.Material Forming, IMP;2. Material Physics, FYS*;3. The Royal Institute of Technology (KTH) 100 44 Stockholm Sweden) 摘要: 1. IntroductionTo improve the formability of sheet steels for car-body panels, large-strain deformation has been applied to cold rolling......
) The double-sided pressure forming technique can improve the formability of TC1 titanium alloy sheet, and provides a new way to cold forming for titanium alloy sheet. References [1] HANSON B H, KEARNS M...; Abstract: In order to investigate the influence of normal stress through thickness on the formability of sheet metal, the viscous pressure......