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Effect of Annealing on Hardness Penetration of Caliber Rolled Mg-3Al-1Zn (AZ31) Alloy

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Abstract:

– Mg-3Al-1Zn (AZ31) alloy was caliber rolled isothermally at the temperature of 300 °C to develop fine grains of 3.6 μm. Annealing was carried out at various times and temperatures. Along with microstructure, annealing affects the hardness and hardness penetration depth. The hardness penetration depth of caliber rolled bar during annealing at 300 to 450 °C was investigated for 5 to 60 minutes. The change in hardness penetration depth were analysed and the mechanisms involved were discussed.

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Periodical:

Materials Science Forum (Volumes 830-831)

Pages:

177-180

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.830-831.177

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Online since:

September 2015

Authors:

Rajendra Doiphode, S.V.S. Narayana Murty, Nityanand Prabhu, Bhagwati Prasad Kashyap

Keywords:

Annealing, AZ31 Mg-Alloy, Caliber Rolling, Hardness Penetration

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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