- Cited by 30
Zhang, Baoping Hou, Yunlong Wang, Xiaodan Wang, Yin and Geng, Lin 2011. Mechanical properties, degradation performance and cytotoxicity of Mg–Zn–Ca biomedical alloys with different compositions. Materials Science and Engineering: C, Vol. 31, Issue. 8, p. 1667.
Xin, Yunchang Hu, Tao and Chu, Paul K. 2011. Degradation behaviour of pure magnesium in simulated body fluids with different concentrations of. Corrosion Science, Vol. 53, Issue. 4, p. 1522.
Xin, Y. Hu, T. and Chu, P.K. 2011. In vitro studies of biomedical magnesium alloys in a simulated physiological environment: A review. Acta Biomaterialia, Vol. 7, Issue. 4, p. 1452.
Liu, G.Y. Hu, J. Ding, Z.K. and Wang, C. 2011. Bioactive calcium phosphate coating formed on micro-arc oxidized magnesium by chemical deposition. Applied Surface Science, Vol. 257, Issue. 6, p. 2051.
Bowen, Patrick K. Drelich, Jaroslaw Buxbaum, Robert E. Rajachar, Rupak M. and Goldman, Jeremy 2012. New approaches in evaluating metallic candidates for bioabsorbable stents. Emerging Materials Research, Vol. 1, Issue. 5, p. 237.
Bowen, Patrick K. Gelbaugh, Jesse A. Mercier, Phillip J. Goldman, Jeremy and Drelich, Jaroslaw 2012. Tensile testing as a novel method for quantitatively evaluating bioabsorbable material degradation. Journal of Biomedical Materials Research Part B: Applied Biomaterials, Vol. 100B, Issue. 8, p. 2101.
Sun, Yu Zhang, Baoping Wang, Yin Geng, Lin and Jiao, Xiaohui 2012. Preparation and characterization of a new biomedical Mg–Zn–Ca alloy. Materials & Design, Vol. 34, Issue. , p. 58.
Wu, Guosong Zhao, Ying Zhang, Xuming Ibrahim, Jamesh Mohammed and Chu, Paul K. 2013. Self-protection against corrosion of aged magnesium alloy in simulated physiological environment. Corrosion Science, Vol. 68, Issue. , p. 279.
Zhao, Ying Wu, Guosong Lu, Qiuyuan Wu, Jun Xu, Ruizhen Yeung, Kelvin W.K. and Chu, Paul K. 2013. Improved surface corrosion resistance of WE43 magnesium alloy by dual titanium and oxygen ion implantation. Thin Solid Films, Vol. 529, Issue. , p. 407.
Gan, Junjie Tan, Lili Yang, Ke Hu, Zhuangqi Zhang, Qiang Fan, Xinmin Li, Yangde and Li, Weirong 2013. Bioactive Ca–P coating with self-sealing structure on pure magnesium. Journal of Materials Science: Materials in Medicine, Vol. 24, Issue. 4, p. 889.
Pérez, P. Onofre, E. Cabeza, S. Llorente, I. del Valle, J.A. García-Alonso, M.C. Adeva, P. and Escudero, M.L. 2013. Corrosion behaviour of Mg–Zn–Y–Mischmetal alloys in phosphate buffer saline solution. Corrosion Science, Vol. 69, Issue. , p. 226.
Zakiyuddin, Ahmad Yun, Kwidug and Lee, Kwangmin 2014. Corrosion behavior of as-cast and hot rolled pure magnesium in simulated physiological media. Metals and Materials International, Vol. 20, Issue. 6, p. 1163.
Zhang, Yafei Forsyth, Maria and Hinton, Bruce R. W. 2014. The Effect of Treatment Temperature on Corrosion Resistance and Hydrophilicity of an Ionic Liquid Coating for Mg-Based Stents. ACS Applied Materials & Interfaces, Vol. 6, Issue. 21, p. 18989.
Srinivasan, A. Shin, Kwang Seon and Rajendran, N. 2014. Dynamic electrochemical impedance spectroscopy (DEIS) studies of AZ31 magnesium alloy in simulated body fluid solution. RSC Adv., Vol. 4, Issue. 53, p. 27791.
Walker, Jemimah Shadanbaz, Shaylin Woodfield, Timothy B. F. Staiger, Mark P. and Dias, George J. 2014. Magnesium biomaterials for orthopedic application: A review from a biological perspective. Journal of Biomedical Materials Research Part B: Applied Biomaterials, Vol. 102, Issue. 6, p. 1316.
Jin, Weihong Wu, Guosong Li, Penghui and Chu, Paul K. 2014. Improved corrosion resistance of Mg-Y-RE alloy coated with niobium nitride. Thin Solid Films, Vol. 572, Issue. , p. 85.
Liu, GuangYi Tang, Shawei Hu, Jin Zhang, Yufen Wang, Yaming and Liu, Feng 2015. Corrosion Behavior of Micro-Arc Oxidized Magnesium with Calcium Phosphate Coating in Flowing Simulated Body Fluids. Journal of The Electrochemical Society, Vol. 162, Issue. 9, p. C426.
Gray-Munro, J. 2015. Surface Modification of Magnesium and its Alloys for Biomedical Applications. p. 271.
2015. Magnesium Alloys as Degradable Biomaterials. p. 457.
Wang, Ming-Jia Chao, Shao-Ching and Yen, Shiow-Kang 2016. Electrolytic calcium phosphate/zirconia composite coating on AZ91D magnesium alloy for enhancing corrosion resistance and bioactivity. Corrosion Science, Vol. 104, Issue. , p. 47.
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Magnesium alloys are potential materials in biodegradable hard tissue implants. Their degradation products in the physiological environment not only affect the degradation process but also influence the biological response of bone tissues. In the work reported here, the composition and structure of the corrosion product layer on AZ91 magnesium alloy soaked in a simulated physiological environment, namely simulated body fluids (SBFs), are systematically investigated using secondary electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, x-ray photoelectron spectroscopy (XPS), x-ray diffraction (XRD), and in situ monitoring of the corrosion morphology. Our results show that the corrosion product layer comprises mainly amorphous magnesium (calcium) phosphates, magnesium (calcium) carbonates, magnesium oxide/hydroxide, and aluminum oxide/hydroxide. The magnesium phosphates preferentially precipitate at obvious corrosion sites and are present uniformly in the corrosion product layer, whereas calcium phosphates nucleate at passive sites first and tend to accumulate at isolated and localized sites. According to the cross sectional views, the corrosion product layer possesses a uniform structure with thick regions several tens of micrometers as well as thin areas of several micrometers in some areas. Localized corrosion is the main reason for the nonuniform structure as indicated by the pan and cross-sectional views. The results provide valuable information on the cytotoxicity of magnesium alloys and a better understanding on the degradation mechanism of magnesium alloys in a physiological environment.
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