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TECHNICAL PAPERS

Grinding Damage Prediction for Ceramics via CDM Model

[+] Author and Article Information
Bi Zhang

Precision Manufacturing Institute, Department of Mechanical Engineering, University of Connecticut, Storrs, CN 06269 e-mail: zhang@eng2.uconn.edu

Xianghe Peng

Department of Engineering Mechanics, Chongqing University, Chongqing, China

J. Manuf. Sci. Eng 122(1), 51-58 (Jan 01, 1999) (8 pages) doi:10.1115/1.538887 History: Received December 01, 1997; Revised January 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Stress-strain correlation for HP-Si3N4 subjected to simple tension and compression
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Distribution of grinding load within grinding zone of a single grit: (a) interaction between abrasive grit and workpiece in grinding zone, (b) distribution of maximum grinding pressure qn,max within grinding zone, (c) fractional variation of grinding pressure on workpiece in a sine curve at the contact point of a finite element
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Characteristic cube and finite element for the numerical analysis of grinding damage
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Contour plots of volumetric stress σkk at the 60th increment of loading: (a) Y=0 cross section, (b) X=15 μm cross section, (c) Z=45 μm plane (top surface)
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Relationship between maximum damage and maximum grinding pressure
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Relationship between relative depth of damage zone and relative depth of cut
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Depth and semi-width of damage zone for HP-Si3N4 ground by conical grit. (a) Depth of damage zone versus grit depth of cut. (b) Semi-width of damage zone versus grit depth of cut.
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Contour plots of grinding damage (percent) in HP-Si3N4 ceramics: (a) Y=0 cross section, (b) X=18 μm cross section, (c) Z=45 μm plane (top surface)
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Contour plots of von Mises equivalent stress at the 60th increment of loading: (a) Y=0 cross section, (b) X=15 μm cross section, (c) Z=45 μm plane (top surface)
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A simplistic mechanical representation for the proposed CDM model

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