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Influence of Al-10RE Modification on Microstructure and Mechanical Properties of ZL203 Aluminum Alloy

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Abstract:

The influence of Al-10RE addition, holding time and holding temperature on the microstructures and mechanical properties of ZL203 aluminum alloy has been studied respectively through using the optical microscope and the universal mechanical testing machine. The experimental results lead to the following conclusions. When Al-10RE addition is 1.0%-1.5%, the holding time is 15 minutes and the holding temperature is 730°C-750°C, the microstructure of Zl203 is perfect. With the increase of Al-10RE addition, the mechanical properties including tensile strength, elongation rate and hardness gradually increase. When the Al-10RE addition is 1.0%-1.5%, the mechanical properties reaches maximum. When the Al-10RE addition is above 1.5%, the mechanical properties decrease with the increase of Al-10RE addition.

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Periodical:

Advanced Materials Research (Volume 365)

Pages:

98-103

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.365.98

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Online since:

October 2011

Authors:

De Quan Shi, Gui Li Gao, Zhi Wei Gao, Yan Liu Wang, Xu Dong Wang

Keywords:

Al-10RE, Microstructure, Modification, ZL203 Aluminum Alloy

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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