The Microstructure and Mechanical Properties of Die-Cast Mg-6Al-2Sm-xCu Alloys
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Microstructure of Die-Cast Mg-6Al-2Sm-xCu Alloys (x = 1, 3, 5)
3.2. The Mechanical Properties of Die-Cast Mg-6Al-2Sm-xCu Alloys (x = 1, 3, 5)
3.3. Fracture
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
- Aghion, E.; Bornfin, B. Magnesium alloys development towards the 21th century. Mater. Sci. Forum 2000, 350, 19–28. [Google Scholar] [CrossRef]
- Zhang, J.; Zhang, L.; Leng, Z.; Liu, S.; Wu, R.; Zhang, M. Experimental study on strengthening of Mg-Li alloy by introducing long-period stacking ordered structure. Scr. Mater. 2013, 68, 675–678. [Google Scholar] [CrossRef]
- Leng, Z.; Zhang, J.; Zhu, T.; Wu, R.; Zhang, M.; Liu, S.; Sun, J.; Zhang, L. Microstructure and mechanical properties of Mg-(6, 9) RY-4Zn alloys by extrusion and aging. Mater. Des. 2013, 52, 713–719. [Google Scholar] [CrossRef]
- Li, K.; Li, Q.; Jing, X.; Chen, J.; Zhang, X. Effects of Sb, Sm, and Sn additions on the microstructure and mechanical properties of Mg-6Al-1.2Y-0.9Nd alloy. Rare Met. 2009, 28, 516–522. [Google Scholar] [CrossRef]
- Zhang, J.; Xu, L.; Jiao, Y.; Xu, C.; Zhang, L.; Liu, S.; Meng, J.; Wu, R.; Zhang, M. Study of Mg-Ymm-Zn alloys with high-strength at elevated temperatures processed by water-cooled mold casting. Mater. Sci. Eng. A 2014, 610, 139–144. [Google Scholar] [CrossRef]
- Zhang, L.; Zhang, J.; Xu, C.; Liu, S.; Jiao, Y.; Xu, L.; Wang, Y.; Meng, J.; Wu, R.; Zhang, M. Investigation of high-strength and superplastic Mg-Y-Gd-Zn alloy. Mater. Des. 2014, 61, 168–176. [Google Scholar] [CrossRef]
- Liu, W.; Liu, Y.; Xiong, S. Influences of casting pressure conditions on the quality and properties of a magnesium cylinder head cover die casting. J. Mater. Sci. Technol. 2005, 21, 170–174. [Google Scholar]
- Mehta, D.S.; Masood, S.H.; Song, W.Q. Investigation of wear properties of magnesium and aluminum alloys for automotive applications. J. Mater. Process. Technol. 2004, 155, 1526–1531. [Google Scholar] [CrossRef]
- Zhang, L.; Zhang, J.; Xu, C.; Jing, Y.; Zhuang, J.; Wu, R.; Zhang, M. Formation of stacking faults for improving the performance of biodegradable Mg-Ho-Zn alloy. Mater. Lett. 2014, 133, 158–162. [Google Scholar] [CrossRef]
- Leng, Z.; Zhang, J.; Cui, C.; Sun, J.; Liu, S.; Wu, R.; Zhang, M. Compression properties at different loading directions of as-extruded Mg-9RY-4Zn(RY: Y-rich misch metal) alloy with long period stacking ordered phase. Mater. Des. 2013, 51, 561–566. [Google Scholar] [CrossRef]
- Chen, Y.; Jin, L.; Fang, D.; Song, Y.; Ye, R. Effects of calcium, samarium addition on microstructure and mechanical properties of AZ61 magnesium alloy. J. Rare Earth 2015, 33, 86–92. [Google Scholar] [CrossRef]
- Leng, Z.; Zhang, J.; Yin, T.; Zhang, L.; Liu, S.; Zhang, M.; Wu, R. Microstructure and mechanical properties of Mg-9RY-4Cu alloy with long period stacking ordered phase. Mater. Sci. Eng. A 2013, 580, 196–201. [Google Scholar] [CrossRef]
- Wang, J.; Wang, L.; Wu, Y.; Wang, L. Effects of samarium on microstructures and tensile properties of Mg-5Al-0.3Mn alloy. Mater. Sci. Eng. A 2011, 528, 4115–4119. [Google Scholar] [CrossRef]
- Zhang, J.; Liu, S.; Leng, Z.; Liu, X.; Niu, Z.; Zhang, M.; Wu, R. Structure stability and mechanical properties of high-pressure die-cast Mg-Al-La-Y-based alloy. Mater. Sci. Eng. A 2012, 531, 70–75. [Google Scholar] [CrossRef]
- Zhang, J.; Liu, S.; Leng, Z.; Zhang, M.; Meng, J.; Wu, R. Structure stability and mechanical properties of high-pressure die-cast Mg-Al-Ce-Y-based alloy. Trans. Nonferr. Met. Soc. 2012, 22, 262–267. [Google Scholar] [CrossRef]
- Wang, J.; Peng, Q.; Wu, Y.; Wang, L. Microstructure and mechanical properties of Mg-6Al-4RE-0.4Mn alloy. Trans. Nonferr. Met. Soc. 2006, 16, s1703–s1707. [Google Scholar]
- Tong, G.; Liu, H.; Liu, Y. Effect of rare earth additions on microstructure and mechanical properties of AZ91 magnesium alloys. Trans. Nonferr. Met. Soc. 2010, 20, s336–s340. [Google Scholar] [CrossRef]
- Zhang, J.; Yu, P.; Liu, K.; Fang, D.; Tang, D.; Meng, J. Effect of substituting cerium-rich mischmetal with lanthanum on microstructure and mechanical properties of die-cast Mg-Al-RE alloys. Mater. Des. 2009, 30, 2372–2378. [Google Scholar] [CrossRef]
- Luo, A.A. Recent magnesium alloy development for elevated temperature applications. Int. Mater. Rev. 2004, 49, 13–30. [Google Scholar] [CrossRef]
- Pekguleryuz, M.O.; Kaya, A.A. Creep resistant magnesium alloys for powertrain applications. Adv. Eng. Mater. 2003, 5, 866–878. [Google Scholar] [CrossRef]
- Zhang, L.; Zhang, J.; Leng, Z.; Liu, S.; Yang, Q.; Wu, R.; Zhang, M. Microstructure and mechanical properties of high-performance Mg-Y-Er-Zn extruded alloy. Mater. Des. 2014, 54, 256–263. [Google Scholar] [CrossRef]
- Son, H.T.; Lee, J.S.; Kim, D.G.; Yoshimi, K.; Maruyama, K. Effects of samarium (Sm) additions on the microstructure and mechanical properties of as-cast and hot-extruded Mg-5 wt. % Al-3 wt. % Ca-based alloys. J. Alloys Compd. 2009, 473, 446–452. [Google Scholar] [CrossRef]
- Xia, X.; Zhang, K.; Li, X.; Ma, M.; Li, Y. Microstructure and texture of coarse-grained Mg-Gd-Y-Nd-Zr alloy after hot compression. Mater. Des. 2013, 44, 521–527. [Google Scholar] [CrossRef]
- Zheng, J.; Wang, Q.; Jin, Z.; Peng, T. Effect of Sm on the microstructure, mechanical properties and creep behavior of Mg-0.5Zn-0.4Zr based alloys. Mater. Sci. Eng. A 2010, 527, 1677–1685. [Google Scholar] [CrossRef]
- Huang, Z.; Qi, W.; Xu, J.; Cai, C. Microstructures and mechanical properties of Mg–Al-Sm series heat-resistant magnesium alloys. Trans. Nonferr. Met. Soc. 2015, 25, 22–29. [Google Scholar] [CrossRef]
- Prabhu, T.R. Effect of synthetic graphite and activated charcoal addition on the mechanical, microstructure and wear properties of AZ81 Mg alloys. J. Mater. Res. Technol. 2016, 5, 259–267. [Google Scholar] [CrossRef]
- Pranke, K.; Eigenfeld, K. About ultrasonic melt treatment during solidification and its influence on grain size and mechanical properties of magnesium alloy AZ 91. Mater. Sci. Forum 2010, 649, 295–300. [Google Scholar] [CrossRef]
- Wang, Y.N.; Lee, C.J.; Huang, C.C.; Lin, H.K.; Huang, J.C. Influence from extrusion parameters on high strain rate and low temperature superplasticity of AZ series Mg-based alloys. Mater. Sci. Forum 2003, 426, 2655–2660. [Google Scholar] [CrossRef]
- Jiao, Y.; Zhang, J.; He, L.; Zhang, M.; Jiang, F.; Wang, W.; Han, L.; Xu, L.; Wu, R. Al-RE Intermetallic Phase Stability and Effects on Corrosion Behavior in Cold-Chamber HPDC AE44 Alloy. Adv. Eng. Mater. 2016, 18, 148–155. [Google Scholar] [CrossRef]
Experimental Alloy | Ultimate Tensile Strength (MPa) | Yield Strength (MPa) | Elongation Rate (%) |
---|---|---|---|
Mg-6Al-2Sm-1Cu | 200 | 172 | 7.5 |
Mg-6Al-2Sm-3Cu | 250 | 186 | 14.4 |
Mg-6Al-2Sm-5Cu | 214 | 182 | 5.7 |
Experimental Alloy | Ultimate Tensile Strength (MPa) | Yield Strength (MPa) | Elongation Rate (%) |
---|---|---|---|
Mg-6Al-2Sm-1Cu | 147 | 126 | 11.3 |
Mg-6Al-2Sm-3Cu | 178 | 140 | 18.2 |
Mg-6Al-2Sm-5Cu | 159 | 133 | 8.6 |
© 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Liu, J.; Yang, C.; Yang, M. The Microstructure and Mechanical Properties of Die-Cast Mg-6Al-2Sm-xCu Alloys. Metals 2017, 7, 164. https://doi.org/10.3390/met7050164
Liu J, Yang C, Yang M. The Microstructure and Mechanical Properties of Die-Cast Mg-6Al-2Sm-xCu Alloys. Metals. 2017; 7(5):164. https://doi.org/10.3390/met7050164
Chicago/Turabian StyleLiu, Jiaan, Chunxue Yang, and Mengli Yang. 2017. "The Microstructure and Mechanical Properties of Die-Cast Mg-6Al-2Sm-xCu Alloys" Metals 7, no. 5: 164. https://doi.org/10.3390/met7050164