Scale dependent effects on the fatigue response of woven textile composites

IF 12.7 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2025-03-04 DOI:10.1016/j.compositesb.2025.112341

Eugene Kheng , Royan D’Mello , Anthony Waas

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引用次数: 0

Abstract

The tensile fatigue response of notched twill textile composites is studied in this investigation. The goal is to evaluate the effect of a notch of fixed size and its placement (with respect to the textile’s mesostructure), on the tensile fatigue response, thereby showing that scale effects are important in understanding and explaining the obtained experimental results. Load-controlled fatigue experiments, supplemented with the Digital Image Correlation (DIC) technique to monitor strains, are conducted. A finite element based fatigue damage model is presented to model matrix degradation and the fatigue response of the twill textile composite. Based on the experimental results, we can distinguish between two types of fatigue response — fatigue resistant (FR) and fatigue susceptible (FS). Because the size of the notch is comparable to the characteristic geometric length scales of the mesostructure, its placement with respect to the mesostructure affects the overall damage evolution and fatigue life across these two families of specimens. The finite element model is shown to reproduce the key features observed in the experiments.

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来源期刊

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.