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Development of Fe-based bulk metallic glass composite as

已有 2064 次阅读 2019-3-27 09:23 |个人分类:非晶前沿|系统分类:论文交流

Development of Fe-based bulk metallic glass composite as biodegradable metal

Ruoyu Liua Rangan Hea Jie Xiaoa Meifang Tanga Hongju Zhangb Shengfeng Guoa

  • School of Materials and Energy, Southwest University, Chongqing 400715, China

  • College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China

Abstract

In this work, the microstructure, mechanical behavior, magnetic properties and in-vitro biocompatibility of Fe77Mo5P9C7.5B1.5bulk metallic glass (BMG) composite were systematically investigated. The Fe77Mo5P9C7.5B1.5 BMG composite, with a very high yield strength (~2900 MPa) and a moderate plasticity (~ 4%), exhibits a degradation rate as high as pure iron in simulated body fluid (SBF). More importantly, the present Fe-based BMG composite significantly inhibits the growth of Staphylococcus aureus (S. aureus) with no obvious cell cytotoxicity, demonstrating that it can be used as a potential biodegradable metal in the future.

https://www.sciencedirect.com/science/article/abs/pii/S0167577X19305208




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