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Effect of large cold deformation on characteristics of age-strengthening of 2024 aluminum alloys NING Ai-lin(宁爱林)1,2, LIU Zhi-yi(刘志义)1, ZENG Su-min(曾苏民)1,2 1. School of Materials Science... Abstract: Effect of large cold deformation on the age-hardening characteristics of 2024 aluminum alloys was investigated. The results reveal: 1) the aging response is accelerated after large cold......
Trans. Nonferrous Met. Soc. China 29(2019) 2455-2462 Re-dissolution and re-precipitation behavior of nano-precipitated phase in Al-Cu-Mg alloy subjected to rapid cold stamping Cai-he FAN1, Ling OU1...) and hardness test were used to study the re-dissolution and re-precipitation behavior of nano-precipitates of the spray-formed fine-grained Al-Cu-Mg alloy during rapid cold stamping deformation. Results......
Multi-objective optimization of rolling schedule based on cost function for tandem cold millCHEN Shu-zong(陈树宗)1, ZHANG Xin(张欣)1, PENG Liang-gui(彭良贵)1, ZHANG Dian-hua(张殿华)1, SUN Jie(孙杰)1, LIU Yin..., Tangshan 063020, China)Abstract:In terms of tandem cold mill productivity and product quality, a multi-objective optimization model of rolling schedule based on cost function was proposed to determine......
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INFLUENCE OF COLD ROLLING REDUCTION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF TWIP STEEL D. Tang1,S.S. Li1,H.Q. Wang1,Z.L. Mi1,Y.J. Dai1 (1.National Enginccring Rcscarch Center for Advanced Rolling Tcchnology,Univcrsity of Scicncc and Tcchnology Bcijing, Bcijing 100083, China) Abstract:The influence of cold rolling reduction on microstructure and mechanical properties of the TWIP......
Dynamic characteristics of cold rolling mill and strip based on flatness and thickness control in rolling processSUN Jian-liang(孙建亮)1, 2, PENG Yan(彭艳)1, 2, 3, LIU Hong-min(刘宏民)1, 2(1. National Engineering Research Center for Equipment and Technology of Cold Strip Rolling (Yanshan University),Qinhuangdao 066004, China;2. State Key Laboratory of Metastable Materials Science and Technology (Yanshan......
Received 17 October 2015; accepted 26 April 2016 Abstract: The purpose of the present paper is to study the mechanical properties and microstructure of the twin-roll cast and cold rolled AA5083 aluminum.... After homogenization at 520 °C, the product was cold rolled to two thicknesses of 6.30 mm and 3.85 mm with an intermediate annealing at 370 °C and final stabilization at 180 °C. Optical microscopy......
Brass和Goss组分的取向密度, 再结晶织构明显弱化, 而且Cube+ND20组分绕法方向(ND)产生很大的漫散, 接近于{001}
) Abstract: A technology of rolling of Ti-22Al-24Nb-1Mo orthorhombic alloy foil was introduced, which is blooming in b field, rolling in α2+B2 field and cold rolling by 4-high reverse cold roll mill... properties of foil by annealing or solution treatment are well. Key words: orthorhombic alloy; Ti-22Al-24Nb-1Mo; foil; cold roll; heat treatment O相合金是20世纪90年代初期发展起来的一种新型TiAl系金属间化合物,具有高强,高韧,高蠕变抗力,低缺口敏......
Finite element analysis of deformation characteristics in cold helical rolling of bearing steel-ballsCAO Qiang(曹强)1, 2, HUA Lin(华林)2, 3, QIAN Dong-sheng(钱东升)1, 2(1. School of Materials Science... analytical method, it is significant to develop a 3D finite element (FE) model of HR process. The key forming conditions of cold HR of bearing steel-balls were detailedly described. Then, by taking steel-ball......