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| Effect of Ultrasonic Treatment on Microstructure and Mechanical Properties of AZ80 Magnesium Alloy |
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Received:July 14, 2011
Published Online:February 24, 2012
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| DOI：doi：10.3969/j.issn.1007-7545.2012.03.012 |
| KeyWord:AZ80 magnesium alloy; ultrasonic; cavitation; microstructure and mechanical property |
| Author | Institution |
| ZHANG Kang1, MA Ming-long2, ZHANG Kui2, LI Xing-gang2, HOU Yu-bai1, BAO Jun-feng1 |
1. 北京矿冶研究总院，北京 ;2. 北京有色金属研究总院 有色金属材料制备加工国家重点试验室，北京 |
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| Abstract: |
| The effects of the ultrasonic treatment on microstructures, density and mechanical properties of AZ80 magnesium alloys were investigated with OM, SEM and Archimedes principle. The results show that after the ultrasonic treatment at 610 ℃, the grain size and numbers of dendrites are reduced, the density of alloy increases from 1.770 g/cm3 to 1.805 g/cm3, the tensile strength increases from 138 MPa to 170.5 MPa and the elongation increases from 2.5% to 4.0%. |
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