吸水率对黄麻增强聚酯复合材料疲劳试验威布尔分布的影响

IF 1.7 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Advanced Composites Letters Pub Date : 2019-05-24 DOI:10.1177/0963693519853833

D. Djeghader, B. Redjel

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引用次数: 14

摘要

在聚酯基体中使用双向黄麻纱线制造了复合材料。所制造的复合材料已经经历了各种浸泡时间（90、180和270天）的水老化。在水老化过程中已经观察到疲劳强度的显著降低。使用双参数威布尔分布函数将老化和非老化试样的失效循环次数关联起来，以确定失效概率，并绘制不同可靠性水平下的S–N曲线。结果表明，双参数威布尔分布描述了黄麻增强聚酯复合材料的疲劳寿命概率分布，具有高度显著的统计相关系数。

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Effect of water absorption on the Weibull distribution of fatigue test in jute-reinforced polyester composite materials

Composite materials have been manufactured using bidirectional jute yarn in a polyester matrix. The manufactured composite has been subjected to water aging for various times of immersion (90, 180, and 270 days). A significant decrease of fatigue strength has been observed during water aging. The number of cycles to failure of the aged and nonaged specimens were correlated using the two-parameter Weibull distribution function to determine the probability of failure and plot the S–N curves at different reliability levels. The results have shown that the two-parameter Weibull distribution describes the fatigue life probability distributions of jute-reinforced polyester composite material with highly significant statistical correlation coefficients.

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来源期刊

Advanced Composites Letters 工程技术-材料科学：复合

自引率

0.00%

发文量

审稿时长

4.2 months

期刊介绍： Advanced Composites Letters is a peer reviewed, open access journal publishing research which focuses on the field of science and engineering of advanced composite materials or structures.