用碳纤维带加强的聚乙烯硫化物基层材的结构和变形行为,由冷大气等离子体激活
Pavel V Kosmachev1, Sergey V Panin2, Iliya L Panov1
1Microelectronics of Multispectral Quantum Introscopy Laboratory of the R&D Center "Advanced Electronic Technologies", National Research Tomsk State University, 634050 Tomsk, Russia.
Polymers
|January 11, 2024
概括
大气释放与失控电子 (DRE) 等离子处理有效地激活碳纤维 (CF),显著提高层间剪切强度 (ILSS). 15分钟的处理改善了CF表面的特性,导致更强的聚合物复合材料.
科学领域:
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
- 聚合物复合材料 聚合物复合材料
背景情况:
- 碳纤维 (CF) 是高性能复合材料中至关重要的增强剂.
- 改善CF和聚合物矩阵之间的界面粘附是提高复合材料性能的关键.
- 现有的表面改造技术往往面临效率和环境影响的局限性.
研究的目的:
- 调查低温大气放电与失控电子 (DRE) 等离子处理用于激活碳纤维表面的有效性.
- 量化DRE等离子处理对聚二氧化 (PPS) /CF复合材料层间剪切强度 (ILSS) 的影响.
- 阐明增强界面粘附和机械性能背后的机制.
主要方法:
- 碳纤维使用大气DRE等离子体进行了不同时间的处理.
- 使用X射线光电子谱 (XPS) 和扫描电子显微镜 (SEM) 进行表面表征.
- 对PPS/CF层材的ILSS和屈曲强度的评估.
- 对界面粘附和机械反应的计算模拟.
主要成果:
- 15分钟的DRE血治疗显著增加了CF表面粗度和功能组移植.
- XPS分析显示了表面化学的变化,包括含氧组的形成.
- 在SEM中,PPS对CF的浸湿性有所改善,处理样品的矩阵内凝聚力失败.
- 模拟表明,增强的粘合强度增强了ILSS,但可以降低横向裂纹阻力.
结论:
- DRE等离子处理是一种有效的方法,可以提高碳纤维的表面性能.
- 通过DRE等离子治疗改善的界面粘附性导致PPS/CF复合材料的优异机械性能.
- 该研究提供了关于优化复合材料设计以提高强度和耐久性的见解.
关键词:
对于女性来说,FEM就是女性.这就是PPSPS的意义.粘附性 粘附性 粘附性 粘附性碳纤维是一种碳纤维.带有失控电子的放电.层状板材 层状板材 层状板材低温大气等离子体的低温大气等离子体.反应性组是反应性组的组.压力张力状态状态.更多相关视频
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