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to predict appropriate warm forming temperature conditions for deep drawing and two-dimensional stamping cases. In the investigated temperature range of 25-250 ℃, the formability of Al-5083 alloy... of the die and punch. And the optimal temperature distributions for warm deep drawing and warm two-dimensional stamping are not identical. Key words: Al-5083 alloy; warm forming; deep drawing; finite......
and loads easily, the technology provides a new method to realize the hot deep-drawing forming on high strength aluminum alloy sheet. Based on the pressure-transfer performance test of granule medium... of spherical cap which is in the free deforming area. Key words: granule medium; aluminum alloy sheet; deep-drawing; hot forming; limit drawing ratio 1 Introduction Flexible-die hot forming technology......
to that of the test. From the calculating results it has been found that the lubrication condition during drawing process lubricated with O/W emulsions is generaly boundary lubrication condition.Key...RESEARCH OF FILM THICKNESS DURING DRAWING PROCESS LUBRICATED WITH O/W EMULSIONS+Yan Hengzhi1; Zhong Jue1; Wang Dianzuo2(1. Department of Mechanical Engineering. Central South University of Technology......
Trans. Nonferrous Met. Soc. China 25(2015) 2342-2351 Effect of friction coefficient in deep drawing of AA6111 sheet at elevated temperatures Wen-yu MA1, Bao-yu WANG1, Lei FU2, Jing ZHOU1, Ming-dong... September 2014; accepted 28 November 2014 Abstract: The effect of friction coefficient on the deep drawing of aluminum alloy AA6111 at elevated temperatures was analyzed based on the three conditions......
Influence of process parameters on deep drawing of AA6111 aluminum alloy at elevated temperaturesMA Wen-yu(马闻宇), WANG Bao-yu(王宝雨), FU lei(傅垒), ZHOU Jing(周靖), HUANG Ming-dong(黄鸣东) (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China)Abstract:To gain a deep insight into the hot drawing process of aluminum alloy sheet, simulations of cylindrical cup......
EFFECT OF CHEMICAL COMPOSITION AND PROCESSES ON THE TEXTURE OF HOT-ROLLED DEEP DRAWING STEEL SHEET C.Y.Li1,Y.Chen1,X.Y.Li3,X.Chen1,Y.L.Kang4 (1.Technical Center of Wuhan Iron and Steel Group Co... Beijing, Beijing 100083, China) Abstract:A hot-rolled deep drawing (HDD) steel with high r-value and uniform distribution of{ 111} texture in thickness was developed by hot rolling in ferrite region......
New mining technique with big panels and stopes in deep mine WANG Yi-ming(王贻明)1, WU Ai-xiang(吴爱祥)1, 2, CHEN Xue-song(陈学松)1, YANG Bao-hua(杨保华)1, SU Yong-ding(苏永定)1 1. School of Resource...; Abstract: For the purpose to suit the bad mining technical conditions, such as deep imbed, gentle dip angle, and high initial stress......
of results for split Hopkinson pressure bar test LI Xi-bing(李夕兵)1, ZHOU Zi-long(周子龙)1, ZHAO Yang-sheng(赵阳升)2 (1. School of Resources and Safety Engineering, Central South University, Changsha 410083... error and so on often lead to the scattering of test results, and bring ultimate difficulty for forming general test conclusion. Based on the stochastic finite element method, the uncertain parameters......
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