Transactions of Materials and Heat Treatment

Title：Bulging performance for aluminum alloy tailor-welded cladding sheet based on different interface friction

Authors： Wang Zhang1 Gao Tiejun1 Wang Kaifeng1 Zhang Jiabin2

Unit： (1.College of Aerospace Engineering Shenyang Aerospace University Shenyang 110136 China 2.Shenyang Aerospace Xinguang Group Co. Ltd. Shenyang 110043 China)

KeyWords： tailor-welded sheet cladding sheet bulging interface friction aluminum alloy

ClassificationCode：TG302

year,vol(issue):pagenumber：2023,48(6):29-34

Abstract：

For the problems of poor forming quality and forming limit for tailor-welded cladding sheet, with the help of the normal pressure of the cladding sheet on the tailor-welded sheet, combining with the mechanical properties of the tailor-welded sheet, a method of changing the interface friction between each area of the tailor-welded sheet and the cladding sheet was proposed to affect the deformation law of each area of the tailor-welded sheet. Then, for the bulging process of tailor-welded cladding sheet, the influence laws of different interface friction on the bulging performance of aluminum alloy tailor-welded cladding sheet were investigated by the combination method of theoretical analysis, finite element simulation and experimental verification. The results indicate that increasing the interface friction coefficient between tailor-welded sheet and cladding sheet on the side of tailor-welded sheet with higher strength and decreasing the interface friction coefficient between tailor-welded sheet and cladding sheet on the side of tailor-welded sheet with lower strength can effectively improve the deformation uniformity, forming quality and forming limit of tailor-welded sheet, which provides a basis for optimizing the forming process parameters of the tailor-welded cladding sheet.

Funds：

国家自然科学基金资助项目（52075347）；辽宁省教育厅高等学校基本科研重点项目（LJKZ0192）；辽宁省自然科学基金面上项目（2022-MS-295）

王璋（1998-），男，硕士研究生

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