Simulated body fluid electrochemical response of Zr-based metallic glasses with different degrees of crystallization

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題名:	Simulated body fluid electrochemical response of Zr-based metallic glasses with different degrees of crystallization
作者:	鄭憲清;Huang, C.H.;Huang, J.C.;Li, J.B.;Jang, J.S.C.
貢獻者:	工學院材料科學與工程研究所
關鍵詞:	Annealing;Bio-corrosion resistance;Body Fluids - drug effects;Calorimetry, Differential Scanning;Corrosion;Crystallization;Dielectric Spectroscopy;Electricity;Electrochemical Techniques - methods;Glass - chemistry;Metallic glasses;Nanocrystalline phase;Solutions;X-Ray Diffraction;Zirconium - chemistry;Zirconium - pharmacology
日期:	2013-10-01
上傳時間:	2026-04-23 11:44:33 (UTC+8)
出版者:	Elsevier BV;Netherlands: Elsevier B.V
摘要:	摘要： The bio-electrochemical response in simulated body fluid of the Zr53Cu30Ni9Al8 metallic glasses with different degrees of partial crystallization was systematically examined and discussed. Through thermal annealing, the volume fractions of the crystalline phases are determined to be 0, 34, 63, and near 100%. Based on the bio-corrosion voltage and current, as well as the polarization resistance, it is concluded that the fully amorphous alloy exhibits the highest bio-electrochemical resistance. With an increasing degree of partial crystallization, the corrosion resistance becomes progressively degraded. The passive current reveals that the fully amorphous metallic glasses can form a more protective and denser passive film on the metallic glass surface. The formation of reactive nanocrystalline phases in the amorphous matrix would reduce the bio-corrosion resistance. [Display omitted] •The bio-corrosion of metallic glasses degrades with partial crystallization.•The fully amorphous alloys can form a more protective and denser passive film.•The reactive nanocrystalline phases would reduce the bio-corrosion resistance. 其他題名： Mater Sci Eng C Mater Biol Appl 出版者： Netherlands: Elsevier B.V 出版日期： 2013-10-01 出處： Materials Science & Engineering C, 2013-10, Vol.33 (7), p.4183-4187 資源來源： Elsevier ScienceDirect Journals 版權： 2013 Elsevier B.V. 版權： Copyright © 2013 Elsevier B.V. All rights reserved. 識別號： ISSN: 0928-4931 識別號： ISSN: 1873-0191 識別號： EISSN: 1873-0191 識別號： DOI: 10.1016/j.msec.2013.06.007 識別號： PMID: 23910331
顯示於類別:	[材料科學與工程研究所 ] 期刊論文

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