Mathematical Modeling and Finite Element Analysis of Residual Stress (RS) Field after Multipass Ultrasonic Surface Rolling

4区材料科学 Q2 Engineering

Advances in Materials Science and Engineering Pub Date : 2024-02-16 DOI:10.1155/2024/4083427

Jinggan Shao, Zhanshu He, Genshang Wu, Zhi Zhang, Chao Li

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引用次数: 0

Abstract

In order to achieve the change rule of the induced residual stress (RS) field after multipass ultrasonic surface rolling (USR), a mathematical model of the induced residual stress (RS) field after multipass ultrasonic surface rolling is first established. Then, the coupling mechanisms of the RS field after dual-pass USR and multipass USR are analyzed, respectively. Subsequently, a finite element (FE) model is established, and the influence of the interval between two adjacent rolling paths is investigated. Finally, both the mathematical model and the FE model are experimentally verified. The results show that both the mathematical model and the FE model can predict the RS field after multipass USR. Two adjacent RS fields will couple with each other in their overlapping regions. For a relatively small interval , the RS field after multipass USR can be fully coupled, so as to form a uniform compressive RS layer. In this study, when = 0.05 mm, the values of the surface compressive RS, the maximum compressive RS, the depth of the maximum compressive RS, and the depth of the compressive RS layer reach 426.71 MPa, 676.54 MPa, 0.05 mm, and 0.54 mm, respectively.

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多通道超声波表面滚压后残余应力 (RS) 场的数学建模和有限元分析

为了实现多通道超声表面轧制（USR）后诱导残余应力（RS）场的变化规律，首先建立了多通道超声表面轧制后诱导残余应力（RS）场的数学模型。然后，分别分析了双通道 USR 和多通道 USR 后 RS 场的耦合机制。随后，建立了有限元（FE）模型，并研究了相邻两条轧制路径之间间隔的影响。最后，对数学模型和 FE 模型进行了实验验证。结果表明，数学模型和 FE 模型都能预测多通道 USR 后的 RS 场。两个相邻的 RS 场将在其重叠区域内相互耦合。对于相对较小的间隔，多路 USR 后的 RS 场可以完全耦合，从而形成均匀的压缩 RS 层。在本研究中，当 = 0.05 mm 时，表面压缩 RS 值、最大压缩 RS 值、最大压缩 RS 深度和压缩 RS 层深度分别达到 426.71 MPa、676.54 MPa、0.05 mm 和 0.54 mm。

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来源期刊

Advances in Materials Science and Engineering Materials Science-General Materials Science

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Advances in Materials Science and Engineering is a broad scope journal that publishes articles in all areas of materials science and engineering including, but not limited to: -Chemistry and fundamental properties of matter -Material synthesis, fabrication, manufacture, and processing -Magnetic, electrical, thermal, and optical properties of materials -Strength, durability, and mechanical behaviour of materials -Consideration of materials in structural design, modelling, and engineering -Green and renewable materials, and consideration of materials’ life cycles -Materials in specialist applications (such as medicine, energy, aerospace, and nanotechnology)