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technologies, it is expected that laser forming can be used to bend aluminum sheets. The bending characteristics of pure aluminum sheets were investigated by a Nd:YAG laser. The influence of energy factors, physical dimensions, number of irradiation and the change of mechanical properties on bending angle were presented.Key words:laser forming; pure aluminum; bending characteristics......
by the repeated plastic working (RPW) process in order to produce AZ31 based composite reinforced by the icosahedral phase. The wear-resistance of the alloys and compositions under a lower load were...-Zn-Gd icosahedral quasicrystal; composite; repeated plastic working; wear Foundation item: Project(51101002) supported by the National Natural Science Foundation of China; Project (311000543115002......
Analysis of bending on the front end of sheet during hot rollingJiquan Sun1), Haibin Zhang1), and Quancheng Yu2) 1) Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China 2) Laiwu Iron & Steel Group Co. Ltd., Laiwu 271104, China摘 要:<正>The analysis of bending in finishing rolling......
slurry by repeated heating-cooling method with elliptical-twisted tubes LIU Wen1, 2, XIE Shui-sheng2, JIA Zhi-xin1, LI Ji-qiang1, WU Hong-bing1 (1. Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China; 2. Beijing General Research Institute for Nonferrous Metals, Beijing 100088, China) Abstract: The semi-solid slurry of A356 aluminum alloy was prepared by the repeated heating......
Optimizing microstructure, shrinkage defects and mechanical performance of ZL205A alloys via coupling travelling magnetic fields with unidirectional solidificationLei Luo1,Liangshun Luo1,Yanqing... of travelling magnetic fields(TMF) with unidirectional solidification was used to continuously regulate the mushy zones of ZL205A alloys. Additionally, experiments are combined with simulations......
Trans. Nonferrous Met. Soc. China 24(2014) 3309-3315 Evaluation of PS-DInSAR technology for subsidence monitoring caused by repeated mining in mountainous area Zhen-guo LIU1, Zheng-fu BIAN1, Shao... some angular parameters to help people to learn the law of subsidence caused by repeated excavation in this area. Key words: DInSAR; geocoding; persistent scatterer interferometry (PSI); repeated......
Fabrication of pure copper rods containing continuous columnar crystals by continuous unidirectional solidification technologyHong zhang;Jianxin Xie;Zidong Wang Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Pure copper rods containing continuous columnar crystals were......
a new method by use of four-point bending system of a beam to identify transformation plasticity coefficient taking advantage of its easiness and high accuracy compared with other conventional methods... detected in plane carbon steel. The relation between the Kp and carbon content included is 关键词:Transformation Plasticity; Four-point Bending Tests; Metallo-thermo-mechanical simulation; Stress......
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......