Effect Analysis of Process Parameters on Geometric Dimensions during Belt-Heated Incremental Sheet Forming of AA2024 Aluminum Alloy

Author:

Li Zhengfang1,Gao Zhengyuan2ORCID,An Zhiguo2,Lin Han3,Sun Pengfei2,Ren Zhong4,Qiao Zhengyang5,Zhang Yuhang1,Jia Youdong1ORCID

Affiliation:

1. School of Mechanical and Electrical Engineering, Kunming University, Kunming 650214, China

2. School of Mechanotronics and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China

3. Guizhou Aerospace Fenghua Precision Equipment Co., Ltd., Guiyang 550000, China

4. China Academy of Aerospace Science and Innovation, Beijing 100083, China

5. Guizhou Space Appliance Co., Ltd., Guiyang 550009, China

Abstract

The effect of process parameters on geometric dimensions is complex during belt-heated incremental sheet forming, leading to control difficulties in the geometric dimension of parts. In this study, the geometric errors were analyzed under the action of different process parameters, and the corresponding influence law was obtained through macro- and microexperiments. On this basis, the micromorphology of the deformation region section was analyzed in detail, and the effect of process parameters on micromorphology characteristics was obtained during belt-heated incremental sheet forming. Meanwhile, the dislocation density of the deformation region section was analyzed through XRD, and the change law of the dislocation density was revealed under the action of different process parameters. Therefore, the macro and micro effect mechanism of process parameters on geometric dimensions was verified, and then the control method of the geometric dimension was obtained in belt-heated incremental sheet forming.

Funder

National Natural Science Foundation of China

Special Basic Cooperative Research Programs of Yunnan Provincial Undergraduate Universities’ Association

Yunnan Xingdian Talent Support Program Youth Talent Special Project

Scientific and Technological Research Program of Chongqing Science and Technology Bureau

Talent Introduction Project of Kunming University

Scientific Research Fund Project of Yunnan Provincial Department of Education

Publisher

MDPI AG

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