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J. Cent. South Univ. Technol. (2011) 18: 1813-1818 DOI: 10.1007/s11771-011-0907-z Characteristics of thickness distribution of tailor-welded tube hydroforming CHU Guan-nan(初冠南)1, 2, LIU Gang(刘钢)3... Berlin Heidelberg 2011 Abstract: Both experimental and mechanical analyses were carried out to investigate the characteristics of thickness distribution for tailor-welded tube (TWT) hydroforming......
Thickness of metallic layers from pulsed eddy-current nondestructive measurements ZHAO Liang(赵亮), CHEN Deng-feng(陈登峰), LU Ying(卢英), LI Chang-hua(李昌华) (Department of Information and Automation, Xi’an University of Architecture and Technology, Xi’an 710055, China) Abstract: By using pulsed eddy-current (PEC), a neural network was adopted to forecast the thickness of metal and the distance between......
Article ID: 1003-6326(2005)06-1258-06 Variations of properties across plate thickness for Al alloy 7010 M. Salazar-Guapuriche1, 2, Y. Y. Zhao2, A. Pitman3, A. Greene3 (1. Materials..., UK) Abstract: The variations of electrical conductivity and hardness across the thickness of an Al alloy 7010 plate under the temper condition T7651 were investigated. The electrical conductivity......
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... process. we have established the mathematical model of film thickness lubricated with emulsions during drawing process, The film thickness calculated with the model under general condition is very close......
Thickness distribution of multi-stage incremental forming with different forming stages and angle intervalsLI Jun-chao(李军超), YANG Fen-fen(杨芬芬), ZHOU Zhi-qiang(周志强) (College of Materials Science... between the two adjacent stages (Δα) on thickness distribution was investigated. Firstly, a finite element method (FEM) model of multi-stage incremental forming was established and experimentally......
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Deformation behavior of A6063 tube with initial thickness deviation in free hydraulic bulging YANG Lian-fa(杨连发)1, 2, GUO Cheng (郭 成)1, DENG Yang(邓 洋)2 1. School of Mechanical Engineering... 2006 Abstract: Experiment on seamless tubes of aluminum alloy A6063 with initial thickness deviation of 0–20% was conducted through a free hydraulic bulging with tube ends free. The influence of initial......
A new method determining safe thickness of karst cave roof under pile tipJIANG Chong(蒋冲), LIU Lang(刘浪), WU Jun-ping(吴均平)(School of Resources and Safety Engineering, Central South University, Changsha... and shells, the simplified model is calculated and the theoretical calculation formula to determine the safe thickness of cave roof under pile tip can be obtained when the edges of the cave roof are simply......
Effect of internal pressure distribution on thickness uniformity of hydroforming Y-shaped tubePENG Jun-yang1, ZHANG Wen-da1, LIU Gang1, ZHU Shi-qiang2, YUAN Shi-jian1(1. National Key Laboratory... two projects with traditional punch and multistage punch were applied to comparison. The thickness distribution and thinning ratio distribution were investigated, and the results by different punches......
A strip thickness prediction method of hot rolling based on D_S information reconstructionSUN Li-jie(孙丽杰)1, SHAO Cheng(邵诚)1, ZHANG Li(张利)2(1. Institute of Advanced Control Technology, Dalian University of Technology, Dalian 116024, China;2. School of Information, Liaoning University, Shenyang 110036, China)Abstract:To improve prediction accuracy of strip thickness in hot rolling, a kind......
