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3D Fractal Analysis of Ultra Precision Grinding Influencing on the Surface Topography of Brittle Material

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Abstract:

3Dfractal dimension and 2D profile fractal dimension distribution of the surfaces made by brittle or ductile grinding are calculated. From the calculated results of 3D fractal dimension, it can be found that the microtopograhpy of ductile ground surface is more exquisite than brittle ground surface and 3D fractal dimension Ds has inverse relation with the roughness parameter Rq. Through the analysis of 2D profile fractal dimension distribution in different ground surfaces, it is revealed that the topography of ground surface is changed with grinding parameters such as ground surfaces may have weakly or strongly anisotropic even isotropic features when different grinding parameters are adopted. Using fractal method to analyze the topography of ground surface is helpful to understand the generating mechanism of surface topography.

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Periodical:

Key Engineering Materials (Volumes 359-360)

Pages:

523-527

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.359-360.523

Citation:

Cite this paper

Online since:

November 2007

Authors:

Ming Jun Chen, Qi Long Pang, Jing He Wang, Kai Cheng

Keywords:

3D Fractal, Anisotropy, Surface Topography, Ultra-Precision Grinding

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