Machining Simulation for Ceramics Based on Continuum Damage Mechanics

[+] Author and Article Information
Xianbing Liu, Bi Zhang

Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269

J. Manuf. Sci. Eng 124(3), 553-561 (Jul 11, 2002) (9 pages) doi:10.1115/1.1463034 History: Received July 01, 2000; Online July 11, 2002
Copyright © 2002 by ASME
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Mechanical representation of CDM model
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Mesh, element and boundary conditions of finite element analysis
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Stress-strain correlations for HP-Si3N4,HP-Al2O3 and PS-SiC
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Interaction diagram between the grit and the workpiece
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The relationship between the normal force and the depth of cut for the three ceramics
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Simulation of damage development with the movement of abrasive grit (Y=0)
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Contour plot of the damage left in the workpiece after machining
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Measurement of depth and semi-width of damage
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Correlation between the calculated and experimental results for depth and semi-width of damage versus depth of cut
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Contour plots of residual stress σ
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Contour plots of residual stress σ
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Depth profiles of residual stresses




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