Formability behaviors of 2A12 thin-wall part based on DYNAFORM and stamping experiment

被引：15

作者：

Zhang De-Hai ^{[1
]}

Bai Dai-Ping ^{[1
]}

Liu Ji-Bin ^{[1
]}

Guo Zhe ^{[2
]}

Guo Cheng ^{[2
]}

机构：

[1] Zhengzhou Univ Light Ind, Mech & Elect Engn Inst, Zhengzhou 450002, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Mech Engn, Xian 710049, Peoples R China

来源：

COMPOSITES PART B-ENGINEERING | 2013年 / 55卷

基金：

中国国家自然科学基金;

关键词：

Mechanical properties; Plastic deformation; Finite element analysis (FEA); Forming; 2A12 aluminum alloy; SHEET METALS; ANISOTROPIC MATERIALS; YIELD FUNCTION; FEM ANALYSIS; TUBE; CRITERION;

D O I：

10.1016/j.compositesb.2013.07.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A method integrating theoretical analysis, numerical simulation and experimental methods was adopted to solve the existing problems, including fillet less-plumping, cracks and wrinkling, in the forming process of a double curvature, thin-wall aluminum alloy part (DCTAP) of the aircraft skin. The mechanical properties of a 0.5 mm thick aluminum alloy sheet (2A12) were obtained through the uniaxial tensile test. The optimal blank holder force (BHF), blank shape (BS) and blank dimension (BD) were obtained by simulation using DYNAFORM. A stamping die was fabricated for experiment validation. The experimental results obtained by the coordinate grid strain analysis technology (CGSAT) agreed well with the simulation results, which demonstrated that the method presented here conduced to improving the formability of DCTAP. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：591 / 598

页数：8

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