Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (10): 1195-1206.DOI: 10.1007/s40195-019-00892-5
Special Issue: 2019年镁合金专辑
Previous Articles Next Articles
Ming-Chun Zhao1, Ying-Chao Zhao1, Deng-Feng Yin1(), Shuo Wang1, Yong-Ming Shangguan2, Chao Liu1, Li-Li Tan2, Ci-Jun Shuai1, Ke Yang2, Andrej Atrens3
Received:
2018-09-20
Revised:
2019-03-04
Online:
2019-10-10
Published:
2019-09-17
About author:
1The authors equally contributed to this work.
Ming-Chun Zhao, Ying-Chao Zhao, Deng-Feng Yin, Shuo Wang, Yong-Ming Shangguan, Chao Liu, Li-Li Tan, Ci-Jun Shuai, Ke Yang, Andrej Atrens. Biodegradation Behavior of Coated As-Extruded Mg–Sr Alloy in Simulated Body Fluid[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(10): 1195-1206.
Add to citation manager EndNote|Ris|BibTeX
Coating | Mg | O | F | P | K | Ca | Sr | |
---|---|---|---|---|---|---|---|---|
MAO surface | wt% | 32 ± 2 | 31 ± 2 | 15 ± 1 | 16 ± 1 | 4.3 ± 0.2 | 2.5 ± 0.2 | |
at.% | 28 ± 2 | 41 ± 3 | 17 ± 1 | 11 ± 1 | 2.2 ± 0.1 | 1.6 ± 0.1 | ||
MAO cross section | wt% | 42 ± 2 | 29 ± 2 | 8.5 ± 0.3 | 18 ± 1 | 1.4 ± 0.1 | 1.2 ± 0.1 | |
at.% | 37 ± 2 | 40 ± 2 | 9.5 ± 0.2 | 13 ± 1 | 0.8 ± 0.1 | 0.6 ± 0.1 | ||
Sr-P-surface | wt% | 1.1 ± 0.1 | 30 ± 1 | 18 ± 1 | 51 ± 3 | |||
at.% | 1.5 ± 0.1 | 60 ± 3 | 20 ± 1 | 19 ± 1 | ||||
Sr-P-cross section | wt% | 1.2 ± 0.1 | 25 ± 2 | 21 ± 1 | 53 ± 3 | |||
at.% | 1.6 ± 0.1 | 54 ± 3 | 24 ± 1 | 21 ± 1 |
Table 1 Chemical composition of the surface and the cross section for the coatings
Coating | Mg | O | F | P | K | Ca | Sr | |
---|---|---|---|---|---|---|---|---|
MAO surface | wt% | 32 ± 2 | 31 ± 2 | 15 ± 1 | 16 ± 1 | 4.3 ± 0.2 | 2.5 ± 0.2 | |
at.% | 28 ± 2 | 41 ± 3 | 17 ± 1 | 11 ± 1 | 2.2 ± 0.1 | 1.6 ± 0.1 | ||
MAO cross section | wt% | 42 ± 2 | 29 ± 2 | 8.5 ± 0.3 | 18 ± 1 | 1.4 ± 0.1 | 1.2 ± 0.1 | |
at.% | 37 ± 2 | 40 ± 2 | 9.5 ± 0.2 | 13 ± 1 | 0.8 ± 0.1 | 0.6 ± 0.1 | ||
Sr-P-surface | wt% | 1.1 ± 0.1 | 30 ± 1 | 18 ± 1 | 51 ± 3 | |||
at.% | 1.5 ± 0.1 | 60 ± 3 | 20 ± 1 | 19 ± 1 | ||||
Sr-P-cross section | wt% | 1.2 ± 0.1 | 25 ± 2 | 21 ± 1 | 53 ± 3 | |||
at.% | 1.6 ± 0.1 | 54 ± 3 | 24 ± 1 | 21 ± 1 |
Fig. 5 Potentiodynamic polarization curves a, Nyquist plots b, pH variation c, corrosion rate calculated by mass loss d of different coatings and as-extruded Mg-1.5Sr substrate immersed in Hank’s solution
As-extruded condition | Icorr (μA/cm2) | Ecorr (V/SCE) | C (mm/y) |
---|---|---|---|
Mg-1.5Sr substrate | 4.1 | - 1.64 | 0.09 |
Sr-P coating | 1.5 | - 1.58 | 0.03 |
MAO coating | 0.5 | - 1.73 | 0.01 |
Table 2 Electrochemical parameters fitted from the polarization curves of as-extruded condition
As-extruded condition | Icorr (μA/cm2) | Ecorr (V/SCE) | C (mm/y) |
---|---|---|---|
Mg-1.5Sr substrate | 4.1 | - 1.64 | 0.09 |
Sr-P coating | 1.5 | - 1.58 | 0.03 |
MAO coating | 0.5 | - 1.73 | 0.01 |
Fig. 6 Potentiodynamic polarization curves a, corrosion rate calculated by mass loss b of different coatings and as-cast Mg-1.5Sr substrate immersed in Hank’s solution
As-cast condition | Icorr (μA/cm2) | Ecorr (V/SCE) | C (mm/y) |
---|---|---|---|
Mg-1.5Sr substrate | 5.6 | - 1.69 | 0.13 |
Sr-P coating | 1.7 | - 1.59 | 0.04 |
MAO coating | 0.8 | - 1.65 | 0.02 |
Table 3 Electrochemical parameters fitted from the polarization curves of as-cast condition
As-cast condition | Icorr (μA/cm2) | Ecorr (V/SCE) | C (mm/y) |
---|---|---|---|
Mg-1.5Sr substrate | 5.6 | - 1.69 | 0.13 |
Sr-P coating | 1.7 | - 1.59 | 0.04 |
MAO coating | 0.8 | - 1.65 | 0.02 |
Fig. 8 EDS spectra after immersion for MAO coating in a cross section for 7 d; b cross section for 14 d; c cross section close to substrate for 14 d and Sr-P coating in d cross section for 7 d; e cross section close to substrate for 7 d; f cross section for 14 d
Coating | Mg | O | F | P | K | Ca | Sr | |
---|---|---|---|---|---|---|---|---|
MAO: cross section-7 d | wt% | 36 ± 3 | 27 ± 2 | 13 ± 1 | 20 ± 2 | 1.2 ± 0.1 | 2.2 ± 0.1 | |
at.% | 32 ± 3 | 37 ± 4 | 14 ± 1 | 14 ± 1 | 0.7 ± 0.1 | 1.7 ± 0.1 | ||
MAO: cross section-14 d | wt% | 40 ± 4 | 28 ± 3 | 7.3 ± 0.4 | 23 ± 3 | 2.9 ± 0.1 | ||
at.% | 36 ± 4 | 38 ± 3 | 8.4 ± 0.4 | 16 ± 1 | 1.6 ± 0.1 | |||
MAO: cross section-14 d Close to the substrate | wt% | 51 ± 4 | 42 ± 4 | 7.2 ± 0.3 | ||||
at.% | 42 ± 3 | 53 ± 4 | 4.7 ± 0.3 | |||||
Sr-P: cross section-7 d | wt% | 2.2 ± 0.1 | 21 ± 2 | 20 ± 2 | 57 ± 4 | |||
at.% | 3.3 ± 0.1 | 49 ± 3 | 24 ± 3 | 24 ± 2 | ||||
Sr-P: cross section-7 d Close to the substrate | wt% | 56 ± 4 | 44 ± 4 | |||||
at.% | 46 ± 3 | 54 ± 4 | ||||||
Sr-P: cross section-14 d | wt% | 2.6 ± 0.1 | 23 ± 2 | 22 ± 1 | 53 ± 4 | |||
at.% | 3.7 ± 0.1 | 50 ± 4 | 25 ± 2 | 21 ± 2 |
Table 4 Chemical compositions of the coatings after immersion of 7 and 14 days
Coating | Mg | O | F | P | K | Ca | Sr | |
---|---|---|---|---|---|---|---|---|
MAO: cross section-7 d | wt% | 36 ± 3 | 27 ± 2 | 13 ± 1 | 20 ± 2 | 1.2 ± 0.1 | 2.2 ± 0.1 | |
at.% | 32 ± 3 | 37 ± 4 | 14 ± 1 | 14 ± 1 | 0.7 ± 0.1 | 1.7 ± 0.1 | ||
MAO: cross section-14 d | wt% | 40 ± 4 | 28 ± 3 | 7.3 ± 0.4 | 23 ± 3 | 2.9 ± 0.1 | ||
at.% | 36 ± 4 | 38 ± 3 | 8.4 ± 0.4 | 16 ± 1 | 1.6 ± 0.1 | |||
MAO: cross section-14 d Close to the substrate | wt% | 51 ± 4 | 42 ± 4 | 7.2 ± 0.3 | ||||
at.% | 42 ± 3 | 53 ± 4 | 4.7 ± 0.3 | |||||
Sr-P: cross section-7 d | wt% | 2.2 ± 0.1 | 21 ± 2 | 20 ± 2 | 57 ± 4 | |||
at.% | 3.3 ± 0.1 | 49 ± 3 | 24 ± 3 | 24 ± 2 | ||||
Sr-P: cross section-7 d Close to the substrate | wt% | 56 ± 4 | 44 ± 4 | |||||
at.% | 46 ± 3 | 54 ± 4 | ||||||
Sr-P: cross section-14 d | wt% | 2.6 ± 0.1 | 23 ± 2 | 22 ± 1 | 53 ± 4 | |||
at.% | 3.7 ± 0.1 | 50 ± 4 | 25 ± 2 | 21 ± 2 |
|
[1] | Jun-Xiu Chen, Xiang-Ying Zhu, Li-Li Tan, Ke Yang, Xu-Ping Su. Effects of ECAP Extrusion on the Microstructure, Mechanical Properties and Biodegradability of Mg-2Zn-xGd-0.5Zr Alloys [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 205-216. |
[2] | 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. |
[3] | Zheng-Zheng Yin, Zhao-Qi Zhang, Xiu-Juan Tian, Zhen-Lin Wang, Rong-Chang Zeng. Corrosion Resistance and Durability of Superhydrophobic Coating on AZ31 Mg Alloy via One-Step Electrodeposition [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 25-38. |
[4] | Xi Zhao, Fa-Fa Yan, Zhi-Min Zhang, Peng-Cheng Gao, Shu-Chang Li. Influence of Heat Treatment on Precipitation Behavior and Mechanical Properties of Extruded AZ80 Magnesium Alloy [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 54-64. |
[5] | Dong-Dong Gu, Jian Peng, Jia-Wen Wang, Zheng-Tao Liu, Fu-Sheng Pan. Effect of Mn Modification on the Corrosion Susceptibility of Mg-Mn Alloys by Magnesium Scrap [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 1-11. |
[6] | 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. |
[7] | Yuanyuan Liu, Zhongmin Lang, Jinlong Cui, Shengli An. Performance of Nb0.8Zr0.2 Layer-Modified AISI430 Stainless Steel as Bipolar Plates for Direct Formic Acid Fuel Cells [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 77-84. |
[8] | 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. |
[9] | He Huang, Huan Liu, Li-Sha Wang, Yu-Hua Li, Solomon-Oshioke Agbedor, Jing Bai, Feng Xue, Jing-Hua Jiang. A High-Strength and Biodegradable Zn-Mg Alloy with Refined Ternary Eutectic Structure Processed by ECAP [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1191-1200. |
[10] | Xigang Yang, Yun Zhou, Ruihua Zhu, Shengqi Xi, Cheng He, Hongjing Wu, Yuan Gao. A Novel, Amorphous, Non-equiatomic FeCrAlCuNiSi High-Entropy Alloy with Exceptional Corrosion Resistance and Mechanical Properties [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1057-1063. |
[11] | P. F. Zhou, D. H. Xiao, T. C. Yuan. Microstructure, Mechanical and Corrosion Properties of AlCoCrFeNi High-Entropy Alloy Prepared by Spark Plasma Sintering [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(7): 937-946. |
[12] | Haifei Zhou, Zhouhai Qian, Mengcheng Zhou, Xuebing Liu, Yong Li, Xinfang Zhang. Synergistic Balance of Strength and Corrosion Resistance in Al-Mg-Er Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(5): 659-670. |
[13] | Li-Mei Liu, Yu-Xiang Lai, Chun-Hui Liu, Jiang-Hua Chen. Optimized Combinatorial Properties of an AlMgSi(Cu) Alloy Achieved by a Mechanical-Thermal Combinatorial Process [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(5): 751-758. |
[14] | Jing-Jing Dong, Lin Fan, Hai-Bing Zhang, Li-Kun Xu, Li-Li Xue. Electrochemical Performance of Passive Film Formed on Ti-Al-Nb-Zr Alloy in Simulated Deep Sea Environments [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(4): 595-604. |
[15] | Hao-Yi Niu, Fang-Fang Cao, Kun-Kun Deng, Kai-Bo Nie, Jin-Wen Kang, Hong-Wei Wang. Microstructure and Corrosion Behavior of the As-Extruded Mg-4Zn-2Gd-0.5Ca Alloy [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(3): 362-374. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||