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由皮秒激光纹理诱导的表面形态变化驱动的湿行为.

Carmelo Corsaro1, Gabriele Orlando1, Gabriele Costa1

  • 1Department of Mathematical and Computational Sciences, Physics Science and Earth Science, University of Messina, Viale F. Stagno d'Alcontres 31, I-98166 Messina, Italy.

Materials (Basel, Switzerland)
|April 27, 2024
PubMed
概括

激光表面纹理 (LST) 通过调整参数来创建可调节的疏水性金属表面. 这项研究优化了LST的可控湿,并探讨了环境尘埃对纹理表面的影响.

关键词:
空气的湿度 空气的湿度激光诱导的周期性表面结构.金属表面的金属表面.表面纹理 表面纹理表面的湿透性 表面的湿透性

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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?
  • 纳米技术纳米技术

背景情况:

  • 激光表面纹理 (LST) 增强了附着性,并创造了疏水的表面.
  • 表面极性和湿性质由LST参数控制.
  • 开发受控的疏水表面对于各种应用至关重要.

研究的目的:

  • 系统地选择激光和扫描头参数,以获得高质量的金属表面拓.
  • 为技术应用,将纹理参数与湿性相关联.
  • 研究皮秒激光纹理表面对环境尘埃的影响.

主要方法:

  • 使用扫描电子显微镜和形状测量进行表面分析.
  • 在金属基材料 (,) 上使用激光表面纹理 (LST).
  • 监控环境条件和环境尘埃对表面性能的影响.

主要成果:

  • 通过激光诱导的周期性表面结构 (LIPSS) 实现周期性微通道.
  • 根据材料观察到广泛的水接触角度 (20°100°).
  • 确定了湿度过渡时间和环境影响的挑战.

结论:

  • LST可以精确控制金属的表面地形和湿特性.
  • 优化的LST参数是纹理表面上符合层增长的关键.
  • 环境灰尘会影响激光纹理表面的长期稳定性和性能.