Influence of water immersion and ultraviolet weathering on mechanical and viscoelastic properties of polyphenylene sulfide-carbon fiber composites
Influence of water immersion and ultraviolet weathering on mechanical and viscoelastic properties of polyphenylene sulfide-carbon fiber composites
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DOI：
10.1177/0892705713484747
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发表时间：
2015-03-01
影响因子：
3.3
通讯作者：
Botelho, Edson Cocchieri
中科院分区：
文献类型：
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作者：
Batista, Natassia Lona;Magalhaes de Faria, Maria Candida;Botelho, Edson Cocchieri
为了研究温度、湿度和紫外线（UV）辐射的联合作用，采用两种不同的技术：水浸和UV气候箱，对聚苯硫醚（PPS）-碳纤维复合材料试样进行环境降解试验。将复合材料的增湿曲线与纯基体的增湿曲线进行比较，以确定界面对吸湿的影响。紫外光风化样品的傅立叶变换红外光谱呈现氧化形成。压缩试验和动态力学热分析（DMA）表明，风化材料的刚度增加，但强度小劣化后，发现长时间的紫外线辐射暴露。
In order to investigate the combined action of temperature, humidity, and ultraviolet (UV) radiation, polyphenylene sulfide (PPS)-carbon fiber composite specimens were exposed to environmental degradation through two different techniques: water immersion and UV climatic chamber. The moisture weight gain curves of the composites were compared with those of the neat matrix in order to determine the interface effect on moisture absorption. Fourier-transform infrared spectroscopy of UV-weathered samples presented oxidation formation. Compressive tests and dynamic mechanical thermal analysis (DMA) revealed that the weathered materials gained in stiffness, nevertheless a small deterioration in strength was found after long periods of UV radiation exposure.