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Preparation of Al-Ti-N Master Alloy Grain Refiner for Al

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Abstract:

An Al-Ti-N master alloy was prepared through the addition of AlN and Ti powders into pure Al melt heated in an induction furnace. This master alloy shows a higher grain refinement effect for pure Al than Al-Ti due to the formation of TiN and/or AlxTiyNz particles in the Al matrix. DTA, SEM and XRD results suggest that TiN and/or AlxTiyNz particles start to form at about 970°C during heating the Al-Ti-AlN powder mixture.

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Periodical:

Advanced Materials Research (Volumes 452-453)

Pages:

721-725

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.452-453.721

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Online since:

January 2012

Authors:

Z.Q. Wang, C.J. Chen

Keywords:

Al-Ti-N Master Alloy, Aluminum (Al), Aluminum Nitride (AlN), Grain Refinement, TiN

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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