Phase Transformation and Stress Distribution in Polished PCD Composites

Yi Qing Chen; Liang Chi Zhang

doi:10.4028/www.scientific.net/KEM.443.400

Paper Titles

Intelligent Monitoring and Estimation of Surface Roughness on CNC Turning
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Monitoring of Cutting Conditions with Dry Cutting on CNC Turning Machine
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Understanding the Temperature Field in Plunge Cylindrical Grinding for Grinding-Hardening
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Study on Grind-Hardening Temperature Field Based on Infrared Temperature Measurement and Numerical Simulation
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Phase Transformation and Stress Distribution in Polished PCD Composites
p.400

Influence of Magnetic Field Strength on Polishing Effect of the Tiny-Grinding Wheel Cluster Based on the Magnetorheological Effect
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Study on NC Compliant Bonnet Tool Abrasive Polishing Based on Magnetorheological Torque Servo
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Molecular Dynamics Simulation of Rubbing Phenomena in Ultra-Precision Abrasive Machining
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Modeling of Depth of Cut in Abrasive Waterjet Cutting of Thick Kevlar-Epoxy Composites
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 443Phase Transformation and Stress Distribution in...

Phase Transformation and Stress Distribution in Polished PCD Composites

Abstract:

With the aid of the Raman spectroscopy, this paper investigates the phase transformation and residual stress distribution in surfaces of polycrystalline diamond composites polished by dynamic friction technique. To clarify the contribution of phase transformations to residual stresses, the study focused on the surface which was incompletely polished such that the transformed phases remained. It was found that amorphous non-diamond carbon and amorphous graphite phase appeared in grain boundaries, but pristine diamond phase was predominant within gain areas. The residual stresses vary across the polished surfaces and the maximum stress locates at the grain boundaries.

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Periodical:

Key Engineering Materials (Volume 443)

Pages:

400-405

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.443.400

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Online since:

June 2010

Authors:

Yi Qing Chen, Liang Chi Zhang

Keywords:

Composite, Dynamic Friction, Phase Transformation, Polishing, Polycrystalline Diamond, Raman Spectrum, Residual Stress

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