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. The material used in experiment is LF2M aluminum alloy tube, whose parameters are as follows: stiffness coefficient is 237 MPa, hardening index 0.263 4 and elastic modulus 55.67 GPa. Para- meters... Effect of frictions on cross section quality of thin-walled tube NC bending YANG He(杨 合), GU Rui-jie(谷瑞杰), ZHAN Mei(詹 梅), LI Heng(李 恒) College of Materials Science and Engineering, Northwest......
Effect of predeformation on semi-solid microstructure of ZK60+RE magnesium alloy ZHAO Zu-de(赵祖德), CHEN Qiang(陈 强), WANG Yan-bin(王艳彬), SHU Da-yu(舒大禹) Southwest Technique and Engineering Institute... formed alloys. Furthermore, the degree of spheroidization of ECAE formed alloy is better than that of compression formed alloy in appearance. Key words: microstructure; ZK60+RE magnesium alloy; semi......
; Constitutive analysis of AZ31 magnesium alloy...; Abstract: The plastic deformation simulation of AZ31 magnesium alloy at different elevated temperatures (from 473 to 723 K) was performed on Gleeble-1500 thermal......
Grain refinement of AZ31 magnesium alloy by Al-Ti-C-Y master alloy LIANG Wei1,XU Chunxiang1,L2,LU Binfeng1 (1.School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan... attributed to heterogeneous nucleation of TiC particles and grain growth restriction of Al-Y compound or TiC at grain boundaries. Key words:Al-Ti-C-Y master alloy; grain refinement; AZ31; magnesium......
to pitting by removing noble Mn from solid solution. Such an effect was not observed for the low-Mn alloy. Key words: cold deformation; Mn precipitation; aluminium tube alloy 1 Introduction... that the bent region of the high Mn tube is more susceptible to pitting corrosion (Fig. 1), has a lower breakdown potential than the straight region of the same alloy (Fig. 2) and has the highest......
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Article ID: 1003-6326(2005)06-1253-05 Superplasticity and diffusion bonding of magnesium alloy ZK60 YU Yan-dong(于彦东)1, 2, JIANG Hai-yan(蒋海燕)2, LI Qiang(李 强)2, ZAI Chun-quan(翟春泉)2... Center, Shanghai Jiaotong University, Shanghai 200030, China) Abstract: Superplasticity of as-rolled ZK60 magnesium alloy sheets, with the average grain size of 8.2μm, was investigated at a strain rate......
Microstructure and texture evolution of AZ31 magnesium alloy during rolling HUANG Guang-jie(黄光杰)1, 2, LIU Qing(刘 庆)1, 2, WANG Ling-yun(汪凌云)1, 2, XIN Ren-long(辛任龙)1, CHEN Xing-pin...; Abstract: The production of magnesium alloy sheets normally involves several processing stages including hot rolling, cold rolling......
-walled tube NC bending process. In the study, a dynamic explicit FE model for aluminum alloy thin-walled tube NC bending process is developed to predict the wrinkling by using FE code ABAQUS/Explicit... to be the quantitative indexes to represent the critical point and wrinkling tendency. The experiment of aluminum alloy (5052 O) tube bending was carried out to verify whether the above wrinkle modes......
properties of Mg-5.0Y-7.0Gd-1.3Nd-0.5Zr magnesium alloy LI Yong-jun, ZHANG Kui, LI Xing-gang, MA Ming-long, WANG Hai-zhen, HE Lan-qiang (State Key Laboratory for Fabrication and Processing... are decreased by less than 5%. After being hot treated at 535 ℃ for 24 h,EW75M alloy is directly extruded under conditions of extrusion ratio of 20, extrusion tube temperature of 400 ℃ and extrusion speed......