Paper Title:
YAG Laser Welding of Shape Memory Alloy
  Abstract

With high energy YAG Laser beam method, the weld ability of the TiNi shape memory alloy sheet was studied.The mechanical properties of both reference and laser welded samples were tested by stress–strain measurements. A systematic comparison of the results was carried out. Moreover, differential scanning calorimeter (DSC) investigations on samples taken from the heat affected zone and hardness measurements allowed further clarification that the modification was induced by the welding procedure. The crystal grain in welded joint is large , and new phases such as Ni3Ti separate out.The results obtained on laser welded samples indicate the recovery mechanisms are little weakly modified by the presence of the welding zone.

  Info
Periodical
Edited by
Honghua Tan
Pages
798-801
DOI
10.4028/www.scientific.net/AMM.66-68.798
Citation
H. S. Zhou, H. G. Li, W. Wang, "YAG Laser Welding of Shape Memory Alloy", Applied Mechanics and Materials, Vols. 66-68, pp. 798-801, 2011
Online since
July 2011
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Price
$32.00
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