探索波透明增强复合材料的气候变化和加速的环境衰老
Imran Haider1, Muhammad Ali Khan2,3, Shahid Aziz4,5
1Thermal Transport Laboratory, Department of Materials Engineering, School of Chemical & Materials Engineering (SCME), National University of Sciences & Technology (NUST), Islamabad 44000, Pakistan.
Polymers
|February 13, 2025
概括
纤维波透明复合材料 (SFWCs) 随着时间的推移而降解,加快老化显示过电损失和吸收水分的显著增加. 尽管财产减少,但SFWC的性能对于微电子应用仍然合理.
科学领域:
- 材料科学 材料科学 材料科学
- 复合材料 复合材料 复合材料
- 介电材料 介电材料
背景情况:
- 由于其介电性质,玻璃纤维复合材料对于波透明度应用至关重要.
- 在使用寿命期间暴露于环境会导致复合材料性能下降.
- 了解降解是预测这些材料的有用使用寿命的关键.
研究的目的:
- 为了评估二氧化纤维波透明复合材料 (SFWC) 性能的逐渐退化.
- 评估实时气候变化和加速衰老对SFWC性能的影响.
- 为了确定降解对微电子应用的材料性能的影响.
主要方法:
- 使用多层压缩和固化制造纤维/环氧波透明复合材料 (SFWCs).
- 在一年的实时气候变化后,对SFWC的调查.
- 使用霍尔伯格-佩克模型,对经过20年加速老化后的SFWC进行评估.
主要成果:
- 一年年龄的SFWC表现出比20年年龄的复合材料更好的形态,后者观察到的界面粘合力减弱.
- 与原始值相比,加速老化显著增加介电常数 (30.63%) 和介电损耗 (22.8%).
- 拉力和压力强度下降,最大吸收的水分达到3.1%的20年加速老化后.
结论:
- 随着年龄的增长,SFWC的特性和功能性能会下降,但对于它们的预期应用仍然合理.
- 微尺度表征揭示了降解影响,有助于确定有用的使用寿命.
- 这些发现对于预测微电子波透明系统中SFWC的寿命和可靠性至关重要.
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