Paper Title:
Laser Welding of Dissimilar Sheath Metals
  Abstract

This work was carried out to obtain sound welds and to select the most suitable binary metal joint among three different dissimilar metal combinations such as Zr-4/Ta, Mo/Ta and Ti/Ta (seal tube/sensor sheath) joints for an instrumented nuclear fuel irradiation test. To do this, the Taguchi experimental method was employed to optimize the experimental data. In addition, metallography, micro-focus x-ray radiography and a hardness test were conducted to examine the welds. From the weld bead appearance, penetration depth and bead width as well as the weld defects standpoint, the Zr-4/Ta joint is suggested for a circumferential joining between a seal tube and a sensor sheath. The optimized welding parameters based on the Zr-4/Ta joint are suggested as well.

  Info
Periodical
Materials Science Forum (Volumes 580-582)
Edited by
Changhee Lee, Jong-Bong Lee, Dong-Hwan Park and Suck-Joo Na
Pages
493-499
DOI
10.4028/www.scientific.net/MSF.580-582.493
Citation
S. S. Kim, G. I. Park, J. H. Koh, "Laser Welding of Dissimilar Sheath Metals", Materials Science Forum, Vols. 580-582, pp. 493-499, 2008
Online since
June 2008
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Price
$32.00
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