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TECHNICAL NOTES

Fusion Zone Shapes in Electron-Beam Welding Dissimilar Metals

[+] Author and Article Information
P. S. Wei

Mechanical Engineering Department, National Sun Yat-Sen University, Kaohsiung, Taiwan, ROC e-mail: pswei@mail.nsysu.edu.tw

Y. K. Kuo

Mechanical Engineering Department, National Sun Yat-Sen University, Kaohsiung, Taiwan, ROC

J. S. Ku

Institute of Materials Science and Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan, ROC

J. Heat Transfer 122(3), 626-631 (Jan 14, 2000) (6 pages) doi:10.1115/1.1286681 History: Received July 07, 1998; Revised January 14, 2000
Copyright © 2000 by ASME
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References

Figures

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Photographs of fusion zones in Al-Fe welding with accelerating voltage 50 kV, welding speed 0.04 m/s, and welding currents of (a) 12 mA, and (b) 20 mA
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(a) Fusion zone, and concentration profiles at (b) upper, (c) intermediate, and (d) lower locations in Al-Fe welding with beam power 1000 W and welding speed 0.045 m/s
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Photographs of fusion zones in (a) Al-Al, and (b) Fe-Fe welding with accelerating voltage 50 kV, welding current 20 mA, and welding speed 0.04 m/s
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Photographs of fusion zones in Fe-Cu welding with accelerating voltage 50 kV, welding speed 0.025 m/s, and welding current of (a) 20 mA, and (b) 30 mA
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(a) Fusion zone, and concentration profiles at (b) upper and (c) lower locations in Fe-Cu welding with beam power 1000 W and welding speed 0.04 m/s
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Measured and predicted dimensionless beam power versus Peclet number for different beam powers in Fe-Cu welding
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Measured and predicted dimensionless beam power versus Peclet number for Al in Al-Fe welding with different beam powers
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Measured and predicted Peclet number versus square root of operating parameter for Fe in Al-Fe welding with different beam powers

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