Effect of Solidification Cooling Rate on Microstructure and Mechanical Properties of an Extruded Mg-Zn-Y Alloy
Abstract
:1. Introduction
2. Experimental Procedure
3. Results
4. Discussion
5. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Point | Concentration (at%) | |||
Mg | Zn | Y | Phase | |
1 | 79.53 | 19.14 | 1.33 | Mg-Zn |
2 | 62.37 | 33.14 | 4.5 | iQC |
3 | 51.64 | 38.23 | 19.13 | iQC |
4 | 97.09 | 2.73 | 0.18 | SS matrix |
5 | 97.93 | 1.84 | 0.23 | matrix |
6 | 97.70 | 2.04 | 0.26 | SS matrix |
7 | 97.99 | 1.81 | 0.2 | matrix |
8 | 92.83 | 7.01 | 0.16 | Mg-Zn |
9 | 97.24 | 2.54 | 0.21 | SS matrix |
10 | 96.97 | 2.83 | 0.2 | SS matrix |
11 | 97.89 | 1.92 | 0.18 | matrix |
Mold Type | Dimensions (mm) | ||||
---|---|---|---|---|---|
Inside | Outer | ||||
Diameter | Height | Length | Breadth | Height | |
Chill cast | 46 | 200 | 210 | 210 | 250 |
Conventional | 46 | 235 | 100 | 120 | 270 |
Water cooled | 50–55 | 200 | - | - | - |
Casting Method | Extrusion Temperature (C) | Grain Size m | Yield Strength (MPa) | Elongation | Yield Asymmetry Ratio | ||
---|---|---|---|---|---|---|---|
Tensile (UTS) | Compression | Tensile | Compression | ||||
Chill cast | 235 | 1.00 ± 0.18 | 404 ± 1 | 327 ± 3 | 12.3 ± 0.7 | 13.1 ± 0.3 | 0.81 |
(418 ± 0) | |||||||
Conventional | 240 | 0.91 ± 0.20 | 397 ± 8 | 324 ± 1 | 13.0 ± 0.1 | 12.5 ± 0.2 | 0.82 |
(415 ± 2) | |||||||
Water cooled | 266 | 1.32 ± 0.22 | 376 ± 3 | 303 ± 2 | 16.7 ± 1.2 | 13.7 ± 0.2 | 0.82 |
(391 ± 1) |
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Singh, A.; Osawa, Y.; Somekawa, H.; Mukai, T. Effect of Solidification Cooling Rate on Microstructure and Mechanical Properties of an Extruded Mg-Zn-Y Alloy. Metals 2018, 8, 337. https://doi.org/10.3390/met8050337
Singh A, Osawa Y, Somekawa H, Mukai T. Effect of Solidification Cooling Rate on Microstructure and Mechanical Properties of an Extruded Mg-Zn-Y Alloy. Metals. 2018; 8(5):337. https://doi.org/10.3390/met8050337
Chicago/Turabian StyleSingh, Alok, Yoshiaki Osawa, Hidetoshi Somekawa, and Toshiji Mukai. 2018. "Effect of Solidification Cooling Rate on Microstructure and Mechanical Properties of an Extruded Mg-Zn-Y Alloy" Metals 8, no. 5: 337. https://doi.org/10.3390/met8050337