Progressive fatigue damage modeling of laminated composites using a novel combined fatigue life model

IF 2.3 3区 材料科学 Q3 MATERIALS SCIENCE, COMPOSITES Journal of Composite Materials Pub Date : 2024-02-27 DOI:10.1177/00219983241236943
M.R Khatami-Ghazvini, M Haghighi-Yazdi, M.M Shokrieh
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Abstract

The progressive fatigue damage (PFD) model is a comprehensive method to simulate the fatigue damage behavior of laminated composites under multiaxial cyclic stress. The generalized material property degradation (GMD) technique is a component of the PFD model. Also, the fatigue life modeling of a UD ply under a uniaxial state of stress is a subcomponent of the GMD technique. The present article compares and evaluates the results achieved by using different fatigue life models within the GMD technique. For this purpose, three commonly used fatigue life models (the normalized fatigue life model, the Luders fatigue life model, and the unified fatigue life model) were considered. Based on the capabilities of these models in predicting the fatigue life of unidirectional plies, a combined fatigue life model is developed and integrated into the progressive fatigue damage model. The results demonstrate that using the combined fatigue life model improves the prediction accuracy of the PFD model.
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使用新型组合疲劳寿命模型建立层状复合材料的渐进疲劳损伤模型
渐进疲劳损伤(PFD)模型是模拟多轴循环应力下层状复合材料疲劳损伤行为的综合方法。广义材料属性退化(GMD)技术是 PFD 模型的组成部分。此外,单轴应力状态下 UD 层的疲劳寿命建模也是 GMD 技术的一个子部分。本文比较并评估了在 GMD 技术中使用不同疲劳寿命模型所取得的结果。为此,考虑了三种常用的疲劳寿命模型(归一化疲劳寿命模型、Luders 疲劳寿命模型和统一疲劳寿命模型)。根据这些模型在预测单向层疲劳寿命方面的能力,我们开发了一种组合疲劳寿命模型,并将其集成到渐进疲劳损伤模型中。结果表明,使用综合疲劳寿命模型提高了渐进疲劳破坏模型的预测精度。
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来源期刊
Journal of Composite Materials
Journal of Composite Materials 工程技术-材料科学:复合
CiteScore
5.40
自引率
6.90%
发文量
274
审稿时长
6.8 months
期刊介绍: Consistently ranked in the top 10 of the Thomson Scientific JCR, the Journal of Composite Materials publishes peer reviewed, original research papers from internationally renowned composite materials specialists from industry, universities and research organizations, featuring new advances in materials, processing, design, analysis, testing, performance and applications. This journal is a member of the Committee on Publication Ethics (COPE).
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