共搜索到4671条信息,每页显示10条信息,共468页。用时:0小时0分0秒390毫秒
Trans. Nonferrous Met. Soc. China 28(2018) 244-250 Improving single pass reduction during cold rolling by controlling initial texture of AZ31 magnesium alloy sheet Di LIU, Zu-yan LIU, Er-de WANG... April 2017 Abstract: The AZ31 magnesium alloy sheets obtained by multi-pass hot rolling were applied to cold rolling and the maximum single pass cold rolling reduction prior to failure of AZ31 magnesium......
UCM轧机中间辊横移控制模型与应用张殿华1,王鹏飞1,王军生2,刘佳伟1(1.辽宁省沈阳市东北大学轧制技术及连轧自动化国家重点实验室2.鞍钢股份有限公司,辽宁鞍山 114001)摘 要:为了提高冷轧带钢的板形质量,在1250单机架6辊可逆冷轧机板形控制系统改造中,根据轧制工艺,设定了中间辊初始位置.基于板形调节机构的调控功效,由闭环板形控制系统给出了中间辊在线横移的调节量.为了减少横移对轧辊磨损的影响,通过试验以及数值计算分析了中间辊横移阻力与横移速度以及轧制力之间的关系,对中间辊横移速度进行了设定.经现场应用......
......
管材进行冷弯,采用扫描电镜和光学显微镜等观察组织和断口,分析弯管断裂及表面缺陷的产生原因.结果表明:表面处理对管材冷弯成型影响不大;等轴组织管材冷弯成型良好,片状组织管材不能冷弯成型;调整数控弯管机的模具和工艺参数可制备外形质量良好的冷弯管材. 关键词:CT20钛合金;管材;组织;冷弯 文献标志码:A Cold bending of CT20 titanium alloy tubes LIU Wei, DU Yu , LU Ya-feng, MAO Xiao-nan, QI Yun-lian, GUO Ping (Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China) Abstract: The cold bending......
:A 文章编号:1672-7207(2013)11-4456-05 Rolling force prediction of cold strip rolling based on FEM-ANN XUE Tao1, 2, DU Fengshan1, 2, SUN Jingna1, 2, WANG Yongqiang1, 2 (1. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China; 2. National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan......
solution implied that the smaller the grain size of the wire is, the better the corrosion resistance exhibits.Key words:pure magnesium wire; cold drawing; simulated body fluid; corrosion......
: 冷强力旋压;Ti153;塑性变形; 中图分类号: TG30 收稿日期:1999-09-20 Effects of plastic deformation inhomogeneity on process of cold power spinning of Ti-15-3 Abstract: The effects of plastic deformation inhomogeneity on spinnability and forming quality of Ti 15 3 during the process of cold power spinning were studied. The results show that the inhomogeneity of plastic......
......
Trans. Nonferrous Met. Soc. China 24(2014) 2890-2895 Microstructure and mechanical properties of cold-rolled Ti50Ni47Fe3 shape memory alloy Yan-feng LI, Xiao-yu KANG, Xiang-qian YIN, Hao-feng XIE, Xu...: Mechanical and shape memory properties of a Ti50Ni47Fe3 alloy annealed at 450-750 °C for 1 h after a cold-rolled reduction of 25% were investigated by phase transformation analysis and microstructure......
Texture evolution and its simulation of cold drawing copper wires produced by continuous casting CHEN Jian1, 2, YAN Wen1, 2, LI Wei3, MIAO Jian4, FAN Xin-hui2 1. Department of Applied Physics... evolution of cold drawing copper wires produced by continuous casting was measured by X-ray diffractometry and electron back-scatter diffractometry, and was simulated using Taylor model. The results show......