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- Title
Superplastic deformation of laser welded Ti-6Al-<sub>4</sub>V sheet.
- Authors
Cheng, D. H.; Huang, J. H.; Zhang, H.; Zhao, X. K.
- Abstract
Uniaxial hot tensile tests were carried out in order to investigate the superplastic deformation of laser welded Ti-6Al-4V sheet. The results revealed that the welded specimens had good superplasticity at temperature of 870-920°C and strain rate of 10-3-10-2 s-1, and the elongation was 233-397%. Dynamic globularisation was observed in the weld bead, and the acicular structure of weld bead was transforming into equiaxed grains while straining. The increasing temperature and decreasing strain rate enhanced the globularisation process.
- Subjects
SUPERPLASTICITY; TENSILE tests; STRAIN rate; DIFFUSION bonding (Metals); LASER welding
- Publication
Materials Science & Technology, 2010, Vol 26, Issue 4, p457
- ISSN
0267-0836
- Publication type
Article
- DOI
10.1179/026708309X12468927349217