Effect of Precipitated Phases on Corrosion of Mg95.8Gd3Zn1Zr0.2 Alloy with Long-Period Stacking Ordered Structure

doi:10.1007/s40195-015-0359-9

Abstract

Abstract:

The microstructure of the precipitated phases of Mg_95.8Gd₃Zn₁Zr_0.2 alloys with long-period stacking ordered structure before and after heat treatment is discussed. The corrosion properties of the as-cast (F), solid-solution (T4) and aging-treated (T6) alloys in 1% NaCl solution are studied. The hydrogen evolution and electrochemical measurements display that the as-cast Mg_95.8Gd₃Zn₁Zr_0.2 alloy with the continuous network eutectic phase exhibits the greatest corrosion resistance, while T6 sample with some needle-like phases and the particle phases is the worst among the three alloys. It is proposed to be mainly related to the amount, composition, microstructure and distribution of the precipitated phases.

Key words: Mg-Gd-Zn, Corrosion properties, Long-period stacking ordered (LPSO), Microstructure

Xi-Mei Zong, Dan Wang, Wei Liu, Kai-Bo Nie, Chun-Xiang Xu, Jin-Shan Zhang. Effect of Precipitated Phases on Corrosion of Mg_95.8Gd₃Zn₁Zr_0.2 Alloy with Long-Period Stacking Ordered Structure[J]. Acta Metallurgica Sinica (English Letters), 2016, 29(1): 32-38.

Figures/Tables 9

Fig. 1 SEM microstructure of Mg95.8Gd3Zn1Zr0.2 alloys: a F alloy, b T4 alloy, c T6 alloy

Fig. 2 XRD patterns of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys

Fig. 3 EDS spectra for a needle-like phases, b particle phases

Fig. 4 Corrosion depths of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys as a function of immersion time

Fig. 5 Corrosion rates of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys as a function of immersion time

Fig. 6 Corrosion rates of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys in 1% NaCl solution

Fig. 7 Polarization curves of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys in 1% NaCl solution

Table 1 Fitting results of the polarization curves of F, T4 and T6 Mg95.8Gd3Zn1Zr0.2 alloys

Alloy	E_corr (V)	i_corr (A/m²)	β_a (V/dec)	β_c (V/dec)	R_p (Ω m²)
F alloy	-1.6656	0.427	0.19173	0.22081	0.1045
T4 alloy	-1.6802	0.569	0.13882	0.20799	0.0636
T6 alloy	-1.6853	0.763	0.14017	0.20492	0.0474

Fig. 8 SEM images of Mg95.8Gd3Zn1Zr0.2 alloys immersed in 1% NaCl solution for 24 h: a F alloy, b T4 alloy, c T6 alloy, d-f corresponding high magnification images of a-c, respectively

References 27

[1]	K. Hagihara, A. Kinoshita, Y. Sugino, M. Yamasaki, Y. Kawamura, H.Y. Yasuda, Y. Umakoshi, Acta Mater. 58, 6282(2010)
[2]	T. Cain, L.G. Bland, N. Birbilis, J.R. Scully, Corrosion 70, 1043 (2014)
[3]	J.S. Zhang, W.B. Zhang, X.Q. Ruan, L.P. Bian, W.L. Cheng, H.X. Wang, C.X. Xu, Mater. Sci. Eng. A 560, 847 (2013)
[4]	Y. Xu, D. Xu, X. Shao, E.H. Han, Acta Metall. Sin. (Engl. Lett.) 26, 217(2013)
[5]	D. Wang, W. Zhang, X. Zong, K. Nie, C. Xu, J. Zhang, Mater. Sci. Eng. A 618, 355 (2014)
[6]	Y.W. Song, E.H. Han, D.Y. Shan, C.D. Yim, B.S. You, Corros. Sci. 60, 238(2012)
[7]	G. Bi, Y. Li, S. Zang, J. Zhang, Y. Ma, Y. Hao, J. Magn. Alloys 2, 64 (2014)
[8]	Z. Zhang, X. Liu, W. Hu, J. Li, Q. Le, L. Bao, Z. Zhu, J. Cui, J. Alloys Compd. 624, 116(2015)
[9]	A.E. Coy, F. Viejo, P. Skeldon, G.E. Thompson, Corros. Sci. 52, 3896(2010)
[10]	L.N. Zhang, R. Jia, D. Li, W. Zhang, F. Guo, J. Mater. Sci. Technol. 31, 504(2015)
[11]	J. Zhang, J. Xu, W. Cheng, C. Chen, J. Kang, J. Mater. Sci. Technol. 28, 1157(2012)
[12]	Z.H. Huang, X.F. Guo, Z.M. Zhang, C.J. Xu, Acta Metall. Sin. (Engl. Lett.) 18, 129(2005)
[13]	R. González-Martínez, J. Göken, D. Letzig, J. Timmerberg, K. Steinhoff, K.U. Kainer, Acta Metall. Sin. (Engl. Lett.) 20, 235(2007)
[14]	S.D. Wang, D.K. Xu, X.B. Chen, E.H. Han, C. Dong, Corros. Sci. 92, 228(2015)
[15]	S.Q. Liang, D.K. Guan, X.P. Tan, Mater. Des. 32, 1194(2011)
[16]	J. Liao, M. Hotta, Y. Mori, Mater. Sci. Eng. A 544, 10 (2012)
[17]	D. Wang, J.S. Zhang, J.D. Xu, Z.L. Zhao, W.L. Cheng, C.X. Xu, J. Magn. Alloys 2, 78 (2014)
[18]	M. Yamasaki, S. Izumi, Y. Kawamura, H. Habazaki, Appl. Surf. Sci. 257, 8258(2011)
[19]	S. Izumi, M. Yamasaki, Y. Kawamura, Corros. Sci. 51, 395(2009)
[20]	J.S. Zhang, W.B. Zhang, L.P. Bian, W.L. Cheng, X.F. Niu, C.X. Xu, S.J. Wu, Mater. Sci. Eng. A 585, 268 (2013)
[21]	Y. Kawamura, M. Yamasaki, Mater. Trans. 48, 2986(2007)
[22]	G.R. Argade, K. Kandasamy, S.K. Panigrahi, R.S. Mishra, Corros. Sci. 58, 321(2012)
[23]	X. Zhang, Z. Ba, Q. Wang, Y. Wu, Z. Wang, Q. Wang, Corros. Sci. 88, 1(2014)
[24]	Q. Peng, J. Guo, H. Fu, X. Cai, Y. Wang, B. Liu, Z. Xu, Sci. Rep. UK 4, 3620 (2014). doi:10.1038/srep03620
[25]	A. Srinivasan, Y. Huang, C.L. Mendis, C. Blawert, K.U. Kainer, N. Hort, Mater. Sci. Eng. A 595, 224 (2014)
[26]	G. Song, A. Atrens, Adv. Eng. Mater. 5, 1769(1998)
[27]	N.D. Nam, J.G. Kim, K.S. Shin, H.C. Jung, Scr. Mater. 63, 625(2010)

Effect of Precipitated Phases on Corrosion of Mg_95.8Gd₃Zn₁Zr_0.2 Alloy with Long-Period Stacking Ordered Structure

RichHTML

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 9

References 27

Related Articles 15

Recommended Articles

Metrics

Comments

[1]	L. B. Tong, J. H. Chu, D. N. Zou, Q. Sun, S. Kamado, H. G. Brokmeier, M. Y. Zheng. Simultaneously Enhanced Mechanical Properties and Damping Capacities of ZK60 Mg Alloys Processed by Multi-Directional Forging [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 265-277.
[2]	Chun-Hua Ma, Fu-Sheng Pan, Ding-Fei Zhang, Ai-Tao Tang, Zhi-Wen Lu. Effects of Sb Addition on Microstructural Evolution and Mechanical Properties of Mg-9Al-5Sn Alloy [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 278-288.
[3]	Meichen Liang, Hao Zhang, Lifeng Zhang, Peng Xue, Dingrui Ni, Weizhen Wang, Zongyi Ma, Hengqiang Ye, Zhiqing Yang. Evolution of Quasicrystals and Long-Period Stacking Ordered Structures During Severe Plastic Deformation and Mixing of Dissimilar Mg Alloys Upon Friction Stir Welding [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 12-24.
[4]	Jinglin Liu, Qi Song, Lihui Song, Shude Ji, Mingshen Li, Zhen Jia, Kang Yang. A Novel Friction Stir Spot Riveting of Al/Cu Dissimilar Materials [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 135-144.
[5]	Chao-Yue Zhao, Xian-Hua Chen, Peng Peng, Teng Tu, Andrej Atrens, Fu-Sheng Pan. Microstructures and Mechanical Properties of Mg-xAl-1Sn-0.3Mn (x = 1, 3, 5) Alloy Sheets [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1217-1225.
[6]	Dan-Yang Liu, Jin-Feng Li, Yong-Cheng Lin, Peng-Cheng Ma, Yong-Lai Chen, Xu-Hu Zhang, Rui-Feng Zhang. Cu/Li Ratio on the Microstructure Evolution and Corrosion Behaviors of Al-xCu-yLi-Mg Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1201-1216.
[7]	Xudong Du, Feng Wang, Zhi Wang, Xingxing Li, Zheng Liu, Pingli Mao. Hot Tearing Susceptibility of AXJ530 Alloy Under Low-Frequency Alternating Magnetic Field [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1259-1270.
[8]	Yuan Yu, Peiying Shi, Kai Feng, Jiongjie Liu, Jun Cheng, Zhuhui Qiao, Jun Yang, Jinshan Li, Weimin Liu. Effects of Ti and Cu on the Microstructure Evolution of AlCoCrFeNi High-Entropy Alloy During Heat Treatment [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1077-1090.
[9]	Hui Jiang, Tian-Dang Huang, Chao Su, Hong-Bin Zhang, Kai-Ming Han, Sheng-Xue Qin. Microstructure and Mechanical Behavior of CrFeNi₂V_0.5W_x (x = 0, 0.25) High-Entropy Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1117-1123.
[10]	Ibrahim Ondicho, Bernard Alunda, Dicken Owino, Luke Otieno, Melody Chepkoech. Revealing a Transformation-Induced Plasticity (TRIP) Phenomenon in a Medium-Entropy Alloy [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1159-1165.
[11]	Qiuxin Nie, Hui Liang, Dongxu Qiao, Zhaoxin Qi, Zhiqiang Cao. Microstructures and Mechanical Properties of Multi-component Al_xCrFe₂Ni₂Mo_0.2 High-Entropy Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1135-1144.
[12]	Ren Li, Jing Ren, Guo-Jia Zhang, Jun-Yang He, Yi-Ping Lu, Tong-Min Wang, Ting-Ju Li. Novel (CoFe₂NiV_0.5Mo_0.2)_100-_xNb_x Eutectic High-Entropy Alloys with Excellent Combination of Mechanical and Corrosion Properties [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1046-1056.
[13]	Chengbo Yang, Jing Zhang, Meng Li, Xuejian Liu. Soft-Magnetic High-Entropy AlCoFeMnNi Alloys with Dual-Phase Microstructures Induced by Annealing [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1124-1134.
[14]	Ning Li, Cun-Lei Jia, Zhi-Wei Wang, Li-Hui Wu, Ding-Rui Ni, Zheng-Kun Li, Hua-Meng Fu, Peng Xue, Bo-Lv Xiao, Zong-Yi Ma, Yi Shao, Yun-Long Chang. Achieving a High-Strength CoCrFeNiCu High-Entropy Alloy with an Ultrafine-Grained Structure via Friction Stir Processing [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(7): 947-956.
[15]	Zhigang Zhang, Xiaotong Lu, Jianrong Xu, Hongjie Luo. Characterization and Tribological Properties of Graphene/Copper Composites Fabricated by Electroless Plating and Powder Metallurgy [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(7): 903-912.