表面纹理的最大高度的表征
Pawel Pawlus1, Rafal Reizer2, Wieslaw Żelasko3
1Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, Powstancow Warszawy 8 Street, 35-959 Rzeszow, Poland.
Materials (Basel, Switzerland)
|November 25, 2023
概括
这项研究引入了一个稳定的面积表面纹理参数,S±3σ,从更正的最大表面高度获得. 这种方法为各种纹理提供了比传统的轮测量更可靠的表面表征.
科学领域:
- 表面计量学 表面计量学
- 材料科学是一种材料科学.
- 机械工程 机械工程 机械工程
背景情况:
- 表面地形学参数,如平均高度和最大幅度,对于表面功能至关重要.
- 轮测量是常见的,但在最大高度上表现出很高的变化.
- 区域表面拓通过平行配置文件的平均值提供了更稳定的替代方案.
研究的目的:
- 通过纠正最大表面高度来建立一个稳定的面积表面纹理参数.
- 为了在广泛的材料比率 (0.13-99.87%) 中验证此参数.
- 将新参数的稳定性与传统参数 (如曲化和斜度) 的稳定性进行比较.
主要方法:
- 利用了用笔造型测量和白光干扰测量的面积地形测量.
- 根据材料比率,对最大表面高度应用了校正方法.
- 在100个不同的表面地形上测试了该方法,包括确定性和随机表面.
主要成果:
- 校正的最大高度S±3σ提供了一个比St.最大表面高度更稳定的面积表面纹理特征.
- 描述轮排列分布形状的参数Pq/Pa和Pp/Pt比曲率 (Pku) 和斜率 (Psk) 更稳定.
- 该方法对确定性和随机面具有效果,其轮坐标之间的相关性较低.
结论:
- 建议的修正最大高度S±3σ是面积表面纹理分析的可靠参数.
- 基于面积的参数,如Pq/Pa和Pp/Pt,比基于配置的分布形状参数提供了更好的稳定性.
- 该方法的适用性可能需要对邻近的轮坐标之间有很高相关性的表面进行修改.
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