Transverse Superplastic Deformation of Laser Welded Ti-6Al-4V Sheet

Abstract:

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Uni-axial hot tensile tests were used to investigate the transverse superplastic deformation of laser welded Ti-6Al-4V sheet. Microstructures of the weld bead before and after superplastic deformation were observed by optical microscope. The maximal deformation of 46% was obtained on weld joint at strain rate of 10−2s−1 and temperature of 1173K. A coefficient K was introduced to evaluate the non-uniform deformation of weld joint. After superplastic deformation the microstructure of weld bead transformed into lamellas from original acicular structure.

Info:

Periodical:

Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu

Pages:

1440-1443

DOI:

10.4028/www.scientific.net/AMR.291-294.1440

Citation:

D. H. Cheng et al., "Transverse Superplastic Deformation of Laser Welded Ti-6Al-4V Sheet", Advanced Materials Research, Vols. 291-294, pp. 1440-1443, 2011

Online since:

July 2011

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Price:

$35.00

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