MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Determination of Grain Size in Deep Drawing Steel Sheet by Laser Ultrasonics
Anmin YinQuan YangFei HeHuifang Xiao
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2014 Volume 55 Issue 7 Pages 994-997

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Abstract

The laser ultrasonic technique has been used to determine grain sizes in Interstitial Free (IF) steels. With an analysis method that employs scattering theory, absolute values of the average grain size have been calculated directly from the ultrasonic traces. These results indicate that the laser ultrasonic technique may be incorporated on-line for direct measurements of grain size during steel production.

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© 2014 The Japanese Society for Non-Destructive Inspection
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