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TECHNICAL PAPERS: Heat Transfer in Manufacturing

Three-Dimensional Sintering of Two-Component Metal Powders With Stationary and Moving Laser Beams

[+] Author and Article Information
Yuwen Zhang, A. Faghri, C. W. Buckley, T. L. Bergman

Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269-3139

J. Heat Transfer 122(1), 150-158 (Jul 16, 1999) (9 pages) doi:10.1115/1.521445 History: Received January 22, 1999; Revised July 16, 1999
Copyright © 2000 by ASME
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References

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Figures

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Physical model of the three-dimensional sintering of two-component metal powder
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Experimental apparatus for sintering of metal powder
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Three-dimensional shape of the HAZ with a stationary ellipsoid laser beam (A=3.95,Ni=0.0223,Ub=0)
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Comparison of the cross-section area obtained by numerical simulation and experiment (stationary laser beam)
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Comparison of temperature histories obtained by numerical simulation and experiment (stationary laser beam)
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Comparison of the cross-section area obtained by numerical simulation and experiment (moving laser beam: A=1.0,Ni=0.0749,Ub=0.124)
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Comparison of the cross-section area obtained by numerical simulation and experiment (moving laser beam: A=1.0,Ni=0.0749,Ub=0.248)
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Effect of the scanning velocity on the cross sections at y=0 (moving laser beam: A=1.0,Ni=0.0749)
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Comparison of temperature histories obtained by numerical simulation and experiment (moving laser beam: A=1.0,Ni=0.0749)
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Cross-section area of the HAZ at different laser intensities and scanning velocities

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