Numerical investigation on orthogonal cutting and damage response of CFRP/Ti6Al4V stacks

IF 3.6 4区材料科学 Q2 MATERIALS SCIENCE, COMPOSITES

Journal of Thermoplastic Composite Materials Pub Date : 2024-02-19 DOI:10.1177/08927057241234877

Chao Zhang, Keyi Liu, Fernando Cepero-Mejias, Jose L Curiel-Sosa, Chunjian Mao

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引用次数: 0

Abstract

CFRP/Ti6Al4V stacks are widely employed in aerospace, automotive and marine applications owing to their superior properties. However, machining these stacked structures pose challenges due to the intrinsic difference in the mechanical properties of CFRP and Ti6Al4V. Such difference can induce distinct failure mechanisms and chip formation processes compared to those observed in individual materials. This paper presents an explicit finite element (FE) modeling to predict the cutting forces and analyze the induced damage during the orthogonal cutting process. The proposed FE model is validated using available experimental data for separate CFRP and Ti6Al4V conditions before being applied to simulate the cutting behavior of CFRP/Ti6Al4V stacks. The effects of fiber angles, cutting sequences and cutting parameters on the cutting performance and damage mechanism of CFRP/Ti6Al4V stacks are investigated in detail. This work provides insights into the cutting behavior of CFRP/Ti6Al4V stacks and facilitates the optimization of machining process for such composite system.

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CFRP/Ti6Al4V 叠层的正交切削和损伤响应数值研究

CFRP/Ti6Al4V 叠层结构因其卓越的性能而被广泛应用于航空航天、汽车和船舶领域。然而，由于 CFRP 和 Ti6Al4V 的机械性能存在固有差异，加工这些堆叠结构面临着挑战。与单种材料相比，这种差异会导致不同的失效机制和切屑形成过程。本文提出了一种明确的有限元 (FE) 模型，用于预测正交切削过程中的切削力并分析诱发的损伤。在应用于模拟 CFRP/Ti6Al4V 复合材料的切割行为之前，利用现有的实验数据对所提出的 FE 模型进行了验证。详细研究了纤维角度、切割顺序和切割参数对 CFRP/Ti6Al4V 叠层切割性能和损伤机理的影响。这项研究有助于深入了解 CFRP/Ti6Al4V 复合材料的切削行为，并有助于优化此类复合材料系统的加工工艺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Thermoplastic Composite Materials 工程技术-材料科学：复合

CiteScore

8.00

自引率

18.20%

发文量

104

审稿时长

5.9 months

期刊介绍： The Journal of Thermoplastic Composite Materials is a fully peer-reviewed international journal that publishes original research and review articles on polymers, nanocomposites, and particulate-, discontinuous-, and continuous-fiber-reinforced materials in the areas of processing, materials science, mechanics, durability, design, non destructive evaluation and manufacturing science. This journal is a member of the Committee on Publication Ethics (COPE).