The Study of Residual Stresses for Roller Hemmed Aluminum Alloys

被引：1

作者：

Kim, Dongok ^{[1
]}

Shin, Dongwoo ^{[2
]}

Yoon, Youngsik ^{[2
]}

Ryu, Yongmun ^{[1
]}

Han, Beomsuck ^{[1
]}

机构：

[1] Korea Automot Technol Inst, Mat & Proc Engn Ctr, R&D Div, Cheonan 330912, Chungnam, South Korea

[2] Konyang Univ, Dept Mech Engn, Nonsan 320711, South Korea

来源：

ADVANCED MATERIALS AND PROCESSING | 2007年 / 26-28卷

关键词：

Roller Hemming; Finite Element Analysis; Residual Stress; Aluminum alloy;

D O I：

10.4028/www.scientific.net/AMR.26-28.397

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Many researches of automotive companies have focused on reducing weight of vehicles in order to meet the needs for high fuel efficiency. Therefore, light metals such aluminum alloys have been applied on automotive body structures. Recently, roller hemming process has been introduced for hemming of aluminum automotive closing parts such as doors, roofs, and hoods. During Roller hemming, the flange of outer panels is bent and folded along the edge of inner panel by a roller attached robot. Since the stress caused by roller hemming can affect the quality of hemmed flanges, the research has focused on the stress analysis by simulation and experiment. Residual stress has been measured in the hemmed flanges and compared to the values of finite elemental analysis.

引用

页码：397 / +

页数：5

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