Effects of temperature and driver sheet for magnesium alloy sheet in magnetic pulse forming

被引：6
|
作者：
Xu, Junrui [1 ,2 ,3 ,4 ]
Zhou, Yingqi [1 ]
Cui, Junjia [5 ]
Huang, Liang [3 ]
Zhang, Xu [6 ]
Li, Guangyao [5 ]
机构：
[1] Xiangtan Univ, Engn Res Ctr Complex Tracks Proc Technol & Equipm, Minist Educ, Xiangtan, Peoples R China
[2] Chongqing Univ Technol, Key Lab Adv Mfg Technol Automobile Parts, Minist Educ, Chongqing 400054, Peoples R China
[3] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan, Hubei, Peoples R China
[4] Xiangtan Univ, Key Lab Welding Robot & Applicat Technol Hunan Pr, Xiangtan, Peoples R China
[5] Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha, Hunan, Peoples R China
[6] Hunan Univ Sci & Technol, Coll Mech & Elect Engn, Xiangtan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2018年 / 95卷 / 9-12期
基金：
中国国家自然科学基金;
关键词：
AZ31; sheet; Magnetic pulse forming; Warm temperature; Al driver sheet; ALUMINUM-ALLOY; ROOM-TEMPERATURE; AZ31; FORMABILITY;
D O I：
10.1007/s00170-017-1423-6
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Thermal effect from warm temperature is always used to improve the formability of AZ31 magnesium alloy sheet. However, it is seldom employed to deform AZ31 sheet in magnetic pulse forming process, due to increasing resistivity and decreasing effect of high strain rate. In this study, Al driver sheets without heating were used to strength effect of high strain rate and drive AZ31 sheet with warm temperature to deform. Method of numerical simulation was used to analyze magnetic pulse forming of AZ31 sheet with driver sheet and temperature. Magnetic flux density and magnetic force with and without Al driver sheet (thickness of 1, 1.5, and 2 mm) and different temperature (25, 100, 150, 200, and 250A degrees C) were investigated. Deformation processes and velocity with Al driver sheet and different temperature were analyzed. The results indicate that it is better for formability of AZ31 sheet to adopt 1-mm Al driver sheet at higher discharge energy and warm temperature.
引用
收藏
页码：3319 / 3333
页数：15
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