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Rare Metals
Published in: Rare Metals 8/2017

29-07-2015

Microstructure and mechanical properties of Mg–6Zn–0.5Y magnesium alloy prepared with ultrasonic treatment

Authors: Di Li, Han-Song Xue, Gang Yang, Ding-Fei Zhang

Published in: Rare Metals | Issue 8/2017

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Abstract

Ultrasonic effect on microstructure evolution and mechanical properties of Mg–6Zn–0.5Y magnesium alloy was investigated. The results show that ultrasonic treatment can significantly modify the as-cast microstructure of Mg–6Zn–0.5Y alloy. With the application of ultrasonic treatment, the primary α-Mg phase transforms from coarse dendrites to nearly fine equiaxed grains, and the continuous I-phase at α-Mg boundaries is modified into discontinuous one. Interestingly, the area fraction of I-phase decreases after ultrasonic treatment. Besides, the tensile properties of Mg–6Zn–0.5Y alloy are apparently improved after ultrasonic treatment. Compared to those of the untreated alloy, the ultimate tensile strength and elongation of Mg–6Zn–0.5Y alloy are improved by 67 % and 56 %, respectively.
previous article Isothermal oxidation behavior of a new Re-free nickel-based single-crystal superalloy at 950 °C
next article Corrosion behavior of Al–3.0 wt%Mg alloy in NaCl solution under magnetic field

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Metadata
Title
Microstructure and mechanical properties of Mg–6Zn–0.5Y magnesium alloy prepared with ultrasonic treatment
Authors
Di Li
Han-Song Xue
Gang Yang
Ding-Fei Zhang
Publication date
29-07-2015
Publisher
Nonferrous Metals Society of China
Published in
Rare Metals / Issue 8/2017
Print ISSN: 1001-0521
Electronic ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-015-0553-y

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