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Metals 2016, 6(10), 251; doi:10.3390/met6100251

Effect of Mg17Al12 Fraction on Mechanical Properties of Mg-9%Al-1%Zn Cast Alloy

Department of Materials and Manufacturing, School of Engineering, Jönköping University, Casting, P.O. Box 1026, Jönköping SE-551 11, Sweden
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 4 September 2016 / Revised: 4 October 2016 / Accepted: 18 October 2016 / Published: 24 October 2016
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In the current study it was observed that the offset yield point of Mg-9%Al-1%Zn alloy was strongly influenced by the connectivity of Mg17Al12. It was suggested that an increase in the fraction of Mg17Al12 from 8% to 11% could lead to the formation of a Mg17Al12 network which resulted in a higher offset yield point. In addition, it was observed that elongation to failure of the Mg-9%Al-1%Zn alloy strongly depended on the fraction of Mg17Al12. Moreover, the apparent toughness showed a strong inverse relation to the secondary dendrite arm spacing. This approach might be extended to forecast the behavior in other magnesium alloys forming a network of the Mg-Al phase. View Full-Text
Keywords: casting; microstructure; tension test; magnesium alloys; mechanical properties casting; microstructure; tension test; magnesium alloys; mechanical properties

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dini, H.; Andersson, N.-E.; Jarfors, A.E. Effect of Mg17Al12 Fraction on Mechanical Properties of Mg-9%Al-1%Zn Cast Alloy. Metals 2016, 6, 251.

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