Tensile Properties of Friction Stir Welded AZ31B Mg Alloy

Abstract:

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The effect of prior T4 heat treatment and subsequent microstructural evolution on tensile behavior of friction stir welded (FSWed) AZ31B-H24 alloy was examined in this study. Selected AZ31B-H24 plates were prior T4 heat treated at 400 for 24 hours and subsequently friction stir welded. The tensile properties, optical micrographs and SEM fractographs for FSWed AZ31B-T4 specimens were compared with those for the H24 counterparts. Prior T4 heat treatment tended to decrease the tensile ductility reduction in FSWed AZ31B-H24 specimen. The tensile ductility reduction mechanism as associated with prior T4 heat treatment is discussed based on detailed micrographic and fractographic observations.

Info:

Periodical:

Solid State Phenomena (Volumes 124-126)

Edited by:

Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park

Pages:

1357-1360

DOI:

10.4028/www.scientific.net/SSP.124-126.1357

Citation:

S. M. Ha et al., "Tensile Properties of Friction Stir Welded AZ31B Mg Alloy", Solid State Phenomena, Vols. 124-126, pp. 1357-1360, 2007

Online since:

June 2007

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Price:

$35.00

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