由于加快老化,合成层复合材料表面的退化
Cezary Strąk1, Ewelina Kozikowska1, Marcin Małek2
1Building Research Institute, 1 Filtrowa St., 00-611 Warsaw, Poland.
Materials (Basel, Switzerland)
|July 30, 2025
概括
加快的老化会降低合成运动表面的质量,影响抗滑性能. 需要新的实验室方法来准确模拟现实世界的磨损,以获得更安全,更耐用的运动表面.
科学领域:
- 材料科学 材料科学 材料科学
- 运动工程 运动工程
- 表面化学 表面化学
背景情况:
- 合成体育表面需要严格的测试,以确保运动员的安全和材料的寿命.
- 现有的加速衰老方法可能无法准确地复制现实世界的退化模式.
- 了解压力下的物质变化对于性能预测至关重要.
研究的目的:
- 评估一种新型加速老化方法 (紫外线辐射和喷水) 对合成运动表面的影响.
- 在老化后分析微观结构,表面特性和性能指标 (抗滑和抗磨损) 的变化.
- 为合成运动表面开发一种更具代表性的实验室模拟.
主要方法:
- 三种基于聚氨的合成运动面经过了加快老化,使用了UV辐射和水喷雾的联合方法.
- 使用扫描电子显微镜 (SEM) 分析了表面形态.
- 在老化前后测量了耐滑性 (PTV),耐磨性,表面粗性和拉伸性能.
主要成果:
- 加速老化导致所有测试材料的表面退化,在UV +喷雾老化周期下观察到的损伤更为显著.
- 在老化后,所有表面的抗滑性能在干燥条件下下降,在潮湿条件下得到改善.
- 虽然老旧的表面在干燥和湿滑性能之间差异较小,但它们未能达到干燥条件标准.
结论:
- 联合紫外线和喷水老化方法有效模拟合成体育材料的表面退化.
- 当前的合成运动表面在模拟老化后可能不符合性能标准,这凸显了提高材料耐用性的必要性.
- 结果可以为性能测试标准的修订和更有弹性的合成运动表面的开发提供信息.
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