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Effect of friction coefficient in deep drawing of AA6111 sheet at elevated temperatures

摩擦因数对AA6111铝合金热冲压的影响(英文)

作     者:马闻宇 王宝雨 傅垒 周靖 黄鸣东 Wen-yu MA;Bao-yu WANG;Lei FU;Jing ZHOU;Ming-dong HUANG

作者机构:北京科技大学机械工程学院北京100083 苏州有色金属研究院苏州215026 

出 版 物:《Transactions of Nonferrous Metals Society of China》 (中国有色金属学报(英文版))

年 卷 期:2015年第25卷第7期

页      面:2342-2351页

核心收录:

学科分类:080503[工学-材料加工工程] 08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程(可授工学、理学学位)] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基  金:Project(2009ZX04014-074)supported by the National Science and Technology Major Project of China Project(P2014-15)supported by the State Key Laboratory of Materials Processing and Die&Mould Technology,Huazhong University of Science and Technology,China Project(20120006110017)supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China 

主  题:aluminum alloy deep drawing friction coefficient formability fracture surface 

摘      要:The effect of friction coefficient on the deep drawing of aluminum alloy AA6111 at elevated temperatures was analyzed based on the three conditions using the finite element analysis and the experimental *** indicate that the friction coefficient and lubrication position significantly influence the minimum thickness,the thickness deviation and the failure mode of the formed *** the hot forming process,the failure modes are draw mode,stretch mode and equi-biaxial stretch mode induced by different lubrication *** terms of formability,the optimal value of friction coefficient determined in this work is *** the same time,the good agreement is performed between the experimental and simulated *** often occurs at the center of cup bottom or near the cup corner in a ductile mode or ductile-brittle mixed mode,respectively.

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