Tensile behavior of fiber metal laminates with multiple holes at different temperature conditions

IF 2.3 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Journal of Reinforced Plastics and Composites Pub Date : 2024-07-23 DOI:10.1177/07316844241267339

Yuting Fang, Dongfa Sheng, Zhongzhao Lin, Peng Fei

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引用次数: 0

Abstract

In this paper, the tensile properties of fiber metal laminates (FMLs) at 25°C ∼ 180°C temperature conditions and different hole arrangements are researched mainly by means of experiments, theoretical model, and numerical simulation. The stress–strain curves of FMLs are obtained by extensive tensile tests and are analyzed and compared. The fracture morphology of the specimens under different temperature conditions is observed using scanning electron microscopy (SEM). Finally, a progressive damage model on the basis of the subroutine Abaqus-VUMAT is developed to analyze the damage evolution process and failure mode of FMLs. Combined with the numerical simulation results, the damage evolution process, equivalent plastic strain, and interlaminar damage of FMLs under different hole arrangements are investigated and found to be in good agreement. The phenomena such as tough nest fracture, matrix fragmentation, fiber debonding, and fiber pullout at different temperatures are observed and analyzed by SEM. The failure modes of FMLs with multiple holes at different temperatures are discussed in this paper, which provides a solution for the application of FMLs in practical engineering.

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多孔金属纤维层压板在不同温度条件下的拉伸行为

本文主要通过实验、理论模型和数值模拟等方法，研究了金属纤维层压板（FML）在 25°C ∼ 180°C 温度条件和不同孔排列方式下的拉伸性能。通过大量拉伸试验获得了 FML 的应力-应变曲线，并对其进行了分析和比较。使用扫描电子显微镜（SEM）观察了试样在不同温度条件下的断裂形态。最后，在子程序 Abaqus-VUMAT 的基础上建立了渐进损伤模型，以分析 FML 的损伤演变过程和失效模式。结合数值模拟结果，研究了不同孔位布置下 FML 的损伤演化过程、等效塑性应变和层间损伤，发现三者具有良好的一致性。通过扫描电子显微镜观察和分析了不同温度下的韧窝断裂、基体破碎、纤维脱粘和纤维拔出等现象。本文讨论了多孔 FML 在不同温度下的失效模式，为 FML 在实际工程中的应用提供了解决方案。

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 Reinforced Plastics and Composites 工程技术-材料科学：复合

CiteScore

5.40

自引率

6.50%

发文量

审稿时长

1.3 months

期刊介绍： The Journal of Reinforced Plastics and Composites is a fully peer-reviewed international journal that publishes original research and review articles on a broad range of today''s reinforced plastics and composites including areas in: Constituent materials: matrix materials, reinforcements and coatings. Properties and performance: The results of testing, predictive models, and in-service evaluation of a wide range of materials are published, providing the reader with extensive properties data for reference. Analysis and design: Frequency reports on these subjects inform the reader of analytical techniques, design processes and the many design options available in materials composition. Processing and fabrication: There is increased interest among materials engineers in cost-effective processing. Applications: Reports on new materials R&D are often related to the service requirements of specific application areas, such as automotive, marine, construction and aviation. Reports on special topics are regularly included such as recycling, environmental effects, novel materials, computer-aided design, predictive modelling, and "smart" composite materials. "The articles in the Journal of Reinforced Plastics and Products are must reading for engineers in industry and for researchers working on leading edge problems" Professor Emeritus Stephen W Tsai National Sun Yat-sen University, Taiwan This journal is a member of the Committee on Publication Ethics (COPE).