Study on Two Kinds of Grinding Wheels for Dynamic Friction Polishing of CVD Diamond Film

Abstract:

This paper investigates two kinds of grinding wheels prepared by the combination of mechanical alloy and hot-press sintering (MA-HPS). Scanning electro microscopy, Optical microscope, Talysurf surface profiler, X-Ray diffraction and Raman spectroscopy were used to characterize two kinds of grinding wheels and identify the removal mechanism. It was found that FeNiCr matrix-TiC (FMT) grinding wheel yielded higher removal rate than TiAl abrasiveless carbophile (TAC) grinding wheel, which conversely owned good polishing quality; diamond was removed by transformation diamond to non-diamond carbons and then removed by mechanically or diffusion to grinding wheel during polishing process with FMT grinding wheel. While TAC grinding wheel polishing CVD diamond film mainly depended on the reaction between diamond carbon and titanium.

• Periodical: Key Engineering Materials (Volumes 389-390)
• Pages: 217-222
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.389-390.217
• Online since: September 2008
• Authors: Zhu Ji Jin, Ze Wei Yuan, Ren Ke Kang, B.X. Dong
• Keywords: CVD Diamond, Dynamic Friction Polishing, Grinding Wheel

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