随机振动下玻璃纤维板的疲劳机理和寿命预测实验研究

IF 1.5 4区 材料科学 Q4 MATERIALS SCIENCE, COMPOSITES Mechanics of Composite Materials Pub Date : 2024-04-29 DOI:10.1007/s11029-024-10193-3
T. Wu, X. Xie, W. Yao
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引用次数: 0

摘要

通过实验分析研究了二维玻璃纤维编织板在随机振动载荷下的破坏机理,并与恒定振幅载荷下的破坏机理进行了比较。根据实验观察发现,振动载荷下的失效模式是分层,而使用传统的 S - N 曲线预测振动疲劳寿命会产生很大误差。因此,我们提出了一种预测方法,通过修改传统的 S - N 曲线来准确估算二维玻璃纤维编织板的振动疲劳寿命。实验验证表明,该方法具有很高的预测精度。
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An Experimental Study on the Fatigue Mechanism and Life Prediction of Glass Fiber Plates Under Random Vibrations

The damage mechanism of 2D woven fiberglass panels under random vibration loadings was investigated by means of an experimental analysis and compared with the damage mechanism under constant-amplitude loadings. Based on experimental observations, it was found that the failure mode under vibration loadings was delamination, and predicting the vibration fatigue life using the traditional SN curve would result in significant errors. Therefore, a prediction method was proposed to accurately estimate the vibration fatigue life of a 2D woven fiberglass panel by modifying the conventional SN curve. An experimental verification showed that this method has a high level of prediction accuracy.

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来源期刊
Mechanics of Composite Materials
Mechanics of Composite Materials 工程技术-材料科学:复合
CiteScore
2.90
自引率
17.60%
发文量
73
审稿时长
12 months
期刊介绍: Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to: damage, failure, fatigue, and long-term strength; methods of optimum design of materials and structures; prediction of long-term properties and aging problems; nondestructive testing; mechanical aspects of technology; mechanics of nanocomposites; mechanics of biocomposites; composites in aerospace and wind-power engineering; composites in civil engineering and infrastructure and other composites applications.
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