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首页> 外文会议>Proceedings of the American Society for Composites Twenty-Ninth technical conference, Proceedings of the 16th US-JAPAN conference on composite materials ASTM-D30 meeting >Effect of Humidity and Cyclic Heat on the Static and Dynamic Performance of Composite-Based Lightweight Materials
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Effect of Humidity and Cyclic Heat on the Static and Dynamic Performance of Composite-Based Lightweight Materials

机译：湿度和循环热对复合基轻质材料静态和动态性能的影响

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摘要

This study investigates the effect of the environmental factors on variousrncombinations of composite-based lightweight materials, joining methods on the staticrnand dynamic performance of single lap joints. Studied joining methods includernbonding-only, bolting-only, and hybrid bonding-and-bolting. Durability performancernis determined under a cyclic load that fluctuates between 67.5% and 75% of the staticrnload capacity at ambient environmental conditions. Adherends’ material combinationsrnin this study include Glass Fiber Reinforced Polymer (GFRP) composite, magnesiumrn(Mg), and aluminum (Al). A commercially available adhesive is used for bondedonlyrnand hybrid-bonded-and bolted test joints. The effect of cyclic heat at either highrnor low relative humidity (RH) is investigated. Temperature profile cycles betweenrn20° C and 80° C at a constant relative humidity level of either 20% RH or 85% RH.rnDiscussion of the results, observations, and conclusions are provided.
机译：本研究调查了环境因素对复合基轻质材料的各种组合，连接方法对单搭接接头静态和动态性能的影响。研究的连接方法包括“仅粘接”，“仅螺栓连接”和“混合粘接”。耐久性能是在环境环境条件下在静态载荷容量的67.5％至75％之间波动的循环载荷下确定的。这项研究中被粘物的材料组合包括玻璃纤维增​​强聚合物（GFRP）复合材料，镁（Mg）和铝（Al）。市场上可买到的粘合剂用于仅粘接和混合粘接和螺栓连接的测试接头。研究了在较高或较低的相对湿度（RH）下循环热的影响。在20％RH或85％RH的相对湿度恒定的情况下，温度曲线在rn20°C和80°C之间循环。rn提供了对结果，观察结果和结论的讨论。

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