In-situ, laser-ultrasonic monitoring of the annealing of an Al-Mg alloy

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ConferenceReview of Progress in Quantitative NDE, July 14-19 2002, Bellingham, WA
AbstractLaser-ultrasonics is a non-destructive and non-contact technique that can characterize many microstructural and elastic parameters of materials and is suitable for on-line applications. In this paper, cold-rolled samples of an Al-Mg alloy (AA5754) are annealed in a Gleeble thermomechanical simulator at various temperatures (275°C, 300°C, 325°C and 350°C). The recrystallization kinetics is monitored in-situ and in real time by laser-ultrasound. It is found that longitudinal velocity variations correlate well with the recrystallized fraction, as evaluated by metallography and mechanical testing on samples submitted to similar thermal cycles.
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AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedNo
NPARC number21273450
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Record identifierfafdb897-fcce-453f-a223-ade9c6676d9c
Record created2015-01-09
Record modified2016-05-09
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