The coupled FEM analysis of super-high angular speed polishing of diamond films
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S. T. Huang
, L. Zhou , L. F. Xu and K. R. Jiao
Abstract
Super-high angular speed polishing of diamond films is a new polishing method. During the polishing process, the rotational velocity of the cast iron polishing plate is higher than that of conventional polishing methods, and friction between the polishing plate and the diamond film during rotary motion generates heat that creates a diffusion condition for carbon atoms. The temperature and strain energy density distributions of the polished surface directly affect the polishing quality of diamond films. In this paper, a three-dimensional thermo-mechanical coupled finite element analysis was employed to analyze the temperature and strain energy due to the friction between the polishing plate and the thick diamond film while the polishing plate rotates at super-high angular speed. The results indicate that when the diamond film and polishing plate rotate in the same direction, the differences of temperature and strain energy evidently decrease, and the temperature and strain energy in the diamond film become more uniform. The removal rate by super-high speed polishing has been quantitatively described by the diffusion mechanism, and it agrees well with the experiment data. This work will provide theoretical guidance to the design and operation of the super-high speed polishing of diamond films.
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Articles in the same Issue
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- Micromagnetism of advanced hard magnetic materials
- Magnetism of nanostructured materials for advanced magnetic recording
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- The coupled FEM analysis of super-high angular speed polishing of diamond films
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- Sintering Behavior of ZnO: Mn Ceramics Fabricated from Sol-Gel Derived Nanocrystalline powders
- Suitability of Maraging Steel Weld Cladding for Repair of Die-Casting Tooling
- Enhanced properties of functionally graded Cu–Cr powder compacts
- Influence of Cr on the microstructure and mechanical properties of Ti–Si Eutectic Alloys
- Notifications
- DGM News
Articles in the same Issue
- Contents
- Contents
- Feature
- Nd–Fe–B permanent magnets a quarter century later: implications for patentability
- Micromagnetism of advanced hard magnetic materials
- Magnetism of nanostructured materials for advanced magnetic recording
- Basic
- A Study of the Al–Mg–B Ternary Phase Diagram
- Effects of Lanthanum on Magnetic Behavior and Hardness of Electroless Ni–Fe–P Deposits
- Interfacial Reactions between Lead-Free Solders and the Multilayer Au/Ni/SUS304 Substrate
- Melting Behavior of Sn–Bi Alloy Powder Compacts Observed Using Optical Dilatometry
- High-Strength Mg-Based Bulk Metallic Glass Composites with Remarkable Plasticity
- Determination of Liquidus Temperature in Sn–Ti–Zr Alloys by Viscosity, Electrical Conductivity and XRD Measurements
- The coupled FEM analysis of super-high angular speed polishing of diamond films
- Applied
- Comparison of Depth-Sensing Indentation at Ultramicroscopic Contacts by Single- and Multiple-Partial-Unload Cycles
- Sintering Behavior of ZnO: Mn Ceramics Fabricated from Sol-Gel Derived Nanocrystalline powders
- Suitability of Maraging Steel Weld Cladding for Repair of Die-Casting Tooling
- Enhanced properties of functionally graded Cu–Cr powder compacts
- Influence of Cr on the microstructure and mechanical properties of Ti–Si Eutectic Alloys
- Notifications
- DGM News