Effect of Y on Properties of Mg-14Al-5Si Alloy

doi:10.11901/1005.3093.2021.112

Chinese Journal of Materials Research

2022, Vol. 36

Issue (3): 213-219 DOI: 10.11901/1005.3093.2021.112

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Effect of Y on Properties of Mg-14Al-5Si Alloy

FAN Jinping(

), JIANG Yifeng, PEI Biao, KANG Wenxu

College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Cite this article:

FAN Jinping, JIANG Yifeng, PEI Biao, KANG Wenxu. Effect of Y on Properties of Mg-14Al-5Si Alloy. Chinese Journal of Materials Research, 2022, 36(3): 213-219.

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Abstract

The effect of Y addition on the microstructure and mechanical properties of Mg-14Al-5Si alloy was investigated by means of scanning electron microscope (SEM), energy dispersive spectrometer (EDS), optical microscope (OM) and X-ray diffractometer (XRD), as well as Bloch hardness tester and electronic universal testing machine. The results show that the addition of 0.5%, 0.8%, 1.0% and 1.5% (mass fraction) Y can induce obvious changes of phases in the Mg-14Al-5Si alloy, namely, the silicide phase Mg₂Si changes from coarse dendrite to polygon and round shape, and the eutectic phase β-Mg₁₇Al₁₂changes from coarse continuous grid to fine grid and islets like. The alloying effect for the Y addition amount of 1.0% is the best i.e., the average size of Mg₂Si reduced from 42.21 μm to 8.15 μm, the mechanical properties of the alloy also reach the best with hardness of 135HB, tensile strength of 147 MPa, yield strength of 76 MPa and elongation of 5.04% respectively. White block Mg-Si-Y compound is found in the alloy with Y1.5%. The element Y can promote the nucleation of Mg₂Si and inhibit the anisotropic growth of Mg₂Si. At the same time, Y segregates in the front of the growth of β-Mg₁₇Al₁₂ phase, forming a supercooled structure and inhibiting its growth.

Key words: metallic materials Mg-14Al-5Si Y microstructure mechanical property

Received: 24 January 2021

ZTFLH:

TG430.4020

Fund: Technological Development Program of Taiyuan University of Technology(RH19200007)

About author: FAN Jinping, Tel: 13653603702, E-mail: fjp1974@sina.com

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	Jinping FAN
	Yifeng JIANG
	Biao PEI
	Wenxu KANG

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https://www.cjmr.org/EN/10.11901/1005.3093.2021.112 OR https://www.cjmr.org/EN/Y2022/V36/I3/213

Table 1 Chemical composition of alloys (mass fraction, %)

Fig.1 XRD pattern of Mg-14Al-5Si alloy

Fig.2 Optical micrograph of Mg-14Al-5Si alloy

Fig.3 XRD pattern of Mg-14Al-5Si alloy modified by 1.5% Y

Fig.4 Optical micrographs of Mg-14Al -5Si alloys modified by 0.5%Y (a)，0.8%Y (b)，1.0%Y (c)，1.5%Y (d)

Fig.5 Average size of Mg₂Si particles with different Y addition

Fig.6 SEM micrographs of alloy modified with 1.5% Y (a) and EDS analysis of white massive phase at A (b)

Fig.7 Hardness of Mg-14Al-5Si alloy with different Y addition

Fig.8 Tensile curves of Mg-14Al-5Si alloy with different Y addition

Table 2 Tensile strength (σ_b), yield strength (σ_0.2) and elongation (δ) of Mg-14Al-5Si alloy with different Y addition

Fig.9 SEM micrographs of tensile fracture of Mg-14Al-5Si alloy with different Y addition. (a) 0.0%Y, (b) 0.5%Y, (c) 0.8%Y, (d) 1.0%Y, (e) 1.5%Y, and EDS analysis results at B (f)

1	Han B Q, Dunand D C. Microstructure and mechanical properties of magnesium containing high volume fractions of yttria dispersoids [J]. Mater. Sci. Eng., 2000, 277A: 297
2	Kondori B, Mahmudi R. Effect of Ca additions on the microstructure and creep properties of a cast Mg-Al-Mn magnesium alloy [J]. Mater. Sci. Eng., 2017, 700A: 438
3	Li D, Chen Y L, Hu S P, et al. Effect of Gd addition on microstructure and mechanical properties of wrought AZ31 magnesium alloys [J]. Chin. J. Mater. Res., 2014, 28: 579
	李栋, 陈雨来, 胡水平等. 添加Gd对变形镁合金AZ31组织与力学性能的影响 [J]. 材料研究学报, 2014, 28: 579
4	Fan J P, Xu B S, Wang S B, et al. Effects of Y on elevated temperature mechanical properties of Mg-8Al-2Sr alloy [J]. Chin. J. Mater. Res., 2012, 26: 132
	范晋平, 许并社, 王社斌等. Y对Mg-8Al-2Sr镁合金高温力学性能的影响 [J]. 材料研究学报, 2012, 26: 132
5	Chen Z H. Heat Resistant Magnesium Alloy [M]. Beijing: Chemical Industry Press, 2007
	陈振华. 耐热镁合金 [M]. 北京: 化学工业出版社, 2007
6	Chen K, Li Z Q. Effect of co-modification by Ba and Sb on the microstructure of Mg2Si/Mg-Zn-Si composite and mechanism [J]. J. Alloys Compd., 2014, 592: 196
7	Lü Y Z, Wang Q D, Zeng X Q, et al. Effects of silicon on microstructure, fluidity, mechanical properties, and fracture behaviour of Mg-6Al alloy [J]. Mater. Sci. Technol., 2001, 17: 207
8	Zhang E L, Wei X S, Yang L, et al. Effect of Zn on the microstructure and mechanical properties of Mg-Si alloy [J]. Mater. Sci. Eng., 2010, 527A: 3195
9	Li C, Wu Y Y, Li H, et al. Morphological evolution and growth mechanism of primary Mg₂Si phase in Al-Mg₂Si alloys [J]. Acta Mater., 2011, 59: 1058
10	Ye L Y, Hu J L, Tang C P, et al. Modification of Mg₂Si in Mg-Si alloys with gadolinium [J]. Mater. Charact., 2013, 79: 1
11	Zhang J, Fan Z, Wang Y Q, et al. Microstructural development of Al-15wt.%Mg₂Si in situ composite with mischmetal addition [J]. Mater. Sci. Eng., 2000, 281A: 104
12	Ye H Z, Liu X Y. Review of recent studies in magnesium matrix composites [J]. J. Mater. Sci., 2004, 39: 6153
13	Ghandvar H, Idris M H, Ahmad N. Effect of hot extrusion on microstructural evolution and tensile properties of Al-15%Mg₂Si-xGd in-situ composites [J]. J. Alloys Compd., 2018, 751: 370
14	Lotfpour M, Emamy M, Allameh S H, et al. Effect of hot extrusion on microstructure and tensile properties of Ca modified Mg-Mg₂Si composite [J]. Proced. Mater. Sci., 2015, 11: 38
15	Qin Q D, Zhao Y G. Nonfaceted growth of intermetallic Mg₂Si in Al melt during rapid solidification [J]. J. Alloys Compd., 2008, 462: L28
16	Kaygısız Y, Maraşlı N. Hardness and electrical resistivity of Al-13wt% Mg₂Si pseudoeutectic alloy [J]. Russ. J. Non-Ferrous Met., 2017, 58: 15
17	Mirshahi F, Meratian M, Panjepour M. Microstructural and mechanical behavior of Mg/Mg₂Si composite fabricated by a directional solidification system [J]. Mater. Sci. Eng., 2011, 528A: 8319
18	Wu G L, Fan J P, Jiang Y F, et al. Effect of melt superheating treatment on microstructure and properties of Mg-5Si alloy [J]. Nonferrous Met. Eng., 2020, 10(10): 40
	武改林, 范晋平, 蒋一锋等. 熔体过热处理对Mg-5Si合金组织与性能的影响 [J]. 有色金属工程, 2020, 10(10): 40
19	Lu L, Thong K K, Gupta M. Mg-based composite reinforced by Mg₂Si [J]. Compos. Sci. Technol., 2003, 63: 627
20	Ma B X, Wang L P, Guo E J. Modification effect of lanthanum on primary phase Mg₂Si in Mg-Si alloys [J]. J. Chin. Rare Earth Soc., 2008, 26: 87
	马宝霞, 王丽萍, 郭二军. 镧对Mg-Si合金中Mg₂Si相变质的影响 [J]. 中国稀土学报, 2008, 26: 87
21	Fan J P, Wang H, Wu G L, et al. Modifying effect of Ce addition on primary Mg₂Si phase in Mg-5Si alloy [J]. Chin. J. Mater. Res., 2019, 33: 683
	范晋平, 王浩, 武改林等. Ce对Mg-5Si合金中初生Mg₂Si相变质的影响 [J]. 材料研究学报, 2019, 33: 683
22	Zhang J, Fan Z, Wang Y Q, et al. Microstructural development of Al-15wt.%Mg₂Si in situ composite with mischmetal addition [J]. Mater. Sci. Eng., 2000, 281A: 104
23	Zhang J, Fan Z, Wang Y, et al. Microstructural refinement in Al-Mg₂Si in situ composites [J]. J. Mater. Sci. Lett., 1999, 18: 783
24	Liao H C, Sun Y, Sun G X. Restraining effect of strontium on the crystallization of Mg₂Si phase during solidification in Al-Si-Mg casting alloys and mechanisms [J]. Mater. Sci. Eng., 2003, 358A: 164
25	Tong W H, Liu Y L, Liu Y K, et al. Effects of Ca-Y compound modification on microstructure and properties of Mg-Si-Zn alloy with high Si content [J]. Chin. J. Nonferrous Met., 2019, 29: 27
	童文辉, 刘雨林, 刘玉坤等. Ca-Y复合变质对高硅Mg-Si-Zn合金组织与性能的影响 [J]. 中国有色金属学报, 2019, 29: 27
26	Zhang Q, Wang Y, Li P. Mechanical properties and strengthening mechanism of as-cast Mg-Y alloys [J]. Trans. Mater. Heat Treat., 2018, 39(12): 8
	张清, 王莹, 李萍. 铸态Mg-Y合金的力学性能和强化机制 [J]. 材料热处理学报, 2018, 39(12): 8
27	Zhang Z M, Xu C J, Jia S Z, et al. Microstructure and mechanical properties of Mg-Al-Si alloy with high content of silicon [J]. Trans. Mater. Heat Treat., 2009, 30(5): 140
	张忠明, 徐春杰, 贾树卓等. 高硅含量镁铝硅合金的组织与力学性能 [J]. 材料热处理学报, 2009, 30(5): 140
28	Jiang Q C, Wang H Y, Wang Y, et al. Modification of Mg₂Si in Mg–Si alloys with yttrium [J]. Mater. Sci. Eng., 2005, 392A: 130
29	Cui Z Q, Tan Y C. Metallurgy and Heat Treatment [M]. 2nd ed. Beijing: China Machine Press, 2011
	崔忠圻, 覃耀春. 金属学与热处理2版 [M]. 北京: 机械工业出版社, 2011
30	Zhang E L, Wei X S, Yang L, et al. Effect of Zn on the microstructure and mechanical properties of Mg-Si alloy [J]. Mater. Sci. Eng., 2010, 527A: 3195

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