Paper Title:
The Influence of Aging Treatments on the Notched Tensile Strength of Ti-6Al-6V-2Sn Laser Welds
  Abstract

Notched tensile tests were performed to evaluate the presence of notch on the tensile strength of Ti-6Al-6V-2Sn laser welds, which were post-weld aged at different temperatures. Ti-6Al-6V-2Sn laser welds showed notch brittleness except for the welds aged at/above 704 oC. Fine acicular α uniformly distributed in β matrix in the fusion zone accounted for the high hardness (Hv 440) as compared with mill-annealed base metal. Overaging at/above 704 oC resulted in coarsening the microstructures and decreased notch brittleness. The fracture features of the weld were strongly affected by the orientation of the solidified structures with respect to the crack growth direction.

  Info
Periodical
Advanced Materials Research (Volumes 47-50)
Edited by
Alan K.T. Lau, J. Lu, Vijay K. Varadan, F.K. Chang, J.P. Tu and P.M. Lam
Pages
185-188
DOI
10.4028/www.scientific.net/AMR.47-50.185
Citation
L. W. Tsay, C.X. Lee, W.C. Chung, C. Chen, "The Influence of Aging Treatments on the Notched Tensile Strength of Ti-6Al-6V-2Sn Laser Welds", Advanced Materials Research, Vols. 47-50, pp. 185-188, 2008
Online since
June 2008
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Price
$35.00
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