Transactions of Materials and Heat Treatment

Title：Plastic deformation law for axial rolling-forging of thin-walled forked ring

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ClassificationCode：TG306

year,vol(issue):pagenumber：2024,49(1):147-153

Abstract：

The distributions and evolution laws of the deformation field quantities such as equivalent stress and equivalent strain as well as the forming load during the axial rolling-forging of thin-walled forked ring were studied. Then, a finite element simulation model of the axial rolling-forging for thin-walled forked ring was established based on software Deform-3D platform, and the deformation field quantities such as equivalent stress and equivalent strain and the forming load data during the forming process were extracted. The results show that during the axial rolling-forging process of thin-walled forked ring, with the increasing of deformation amount, the equivalent stress and equivalent strain values gradually increase, and the equivalent stress values of upper and side ribs are significantly larger than those of lower rib, with a higher degree of deformation. The conical die mainly bears the z-direction load, which gradually increases with the increasing of deformation amount, with a maximum value of 134 kN. Thus, by revealing the plastic deformation law during the axial rolling-forging process of thin-walled forked ring, a theoretical basis is provided for realizing the axial rolling-forging of thin-walled forked ring.

Funds：

国家自然科学基金青年科学基金资助项目（52005375）；中国博士后科学基金面上项目（2020M672429）

作者简介：曾凡飞（1998-），男，硕士研究生 E-mail：zffemail@whut.edu.cn 通信作者：庄武豪（1989-），男，博士，副研究员 E-mail：zhuangwuhao@whut.edu.cn

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