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temperatures and forming speeds were investigated through tensile testing. Deep drawing and stretch formability were also tested through limiting drawing ratio (LDR) and limiting dome height (LDH) tests. Finally, post forming mechanical property testing was conducted to investigate the effects of exposure to warm forming temperatures on the mechanical properties. Results show that deep drawing and stretch......
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Abstract: Based on the forming need of aluminum alloy sheet parts with low plasticity and large height-diameter ratio, a new process of hydrodynamic deep drawing with independent radial pressure... aluminum alloy; hydrodynamic deep drawing (HDD); independent radial pressure; loading path
local necking during component manufacture and also results in higher tensile strengths in the manufactured component[7]. In this work, by using the high temperature tensile test and deep drawing test... min. The axial displacement and the axial tensile force were measured continuously during the experiments.
2.2 Deep drawing test
The warm deep drawing experiments of aluminum coated boron steels were......Flow characteristics of aluminum coated boron steel in hot press forming
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来源: 《中国有色金属学报(英文版)2009年第4期》——Jeong-Hwan JANG Jae-Ho LEE Byeong-Don JOO Young-Hoon MOON
. Mechanical Engineering Department, the Pennsylvania State University, Erie, PA, United States Received 18 August 2020; accepted 18 February 2021 Abstract: The stretch forming and the deep-drawing processes... been used for the numerical analysis, none of the considered damage models predicted the fracture strains over the entire considered range of stress triaxiality (0.33<η<0.66). The deep drawing......
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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......
J. Cent. South Univ. (2019) 26: 1374-1384 DOI: https://doi.org/10.1007/s11771-019-4093-8 Fixed-bed column study for deep removal of copper (II) from simulated cobalt electrolyte using polystyrene... of Springer Nature 2019 Abstract: This study presents the deep removal of copper (II) from the simulated cobalt electrolyte using fabricated polystyrene-supported 2-aminomethylpyridine chelating resin (PS-AMP......
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......