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Bioactive calcium titanate coatings on a Zr-based BMG

已有 4213 次阅读 2012-5-13 09:13 |个人分类:非晶前沿|系统分类:论文交流| metallic, glass

Bioactive calcium titanate coatings on a Zr-based bulk metallic glass by laser cladding
  • Z. Liua
  • K.C. Chana
  • L. Liub
  • S.F. GuoacCorresponding author contact informationE-mail the corresponding authorE-mail the corresponding author
  • a Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong, China
  • b The State Key Lab of Die and Mould Technology, Huazhong University of Science and Technology, 430074 Wuhan, China
  • c School of Materials Science and Engineering, Southwest University, 400715 Chongqing, China
  • http://dx.doi.org/10.1016/j.matlet.2012.05.022

    Abstract

    The bioactive calcium titanate coating was prepared by laser cladding on a (Zr0.62Cu0.23Fe0.05Al0.1)97Agbulk metallic glass. The coating, which was mainly composed with dendrite calcium titanate and a little calcium pyrophosphate, formed a strong bonding with the substrate. The cladding process generated a crystallized heat-affected zone with a thickness of 300 μm and other parts in the substrate remained amorphous structure after laser cladding. It was demonstrated that surfaces of Zr-based bulk metallic glasses can be made bioactive and that laser cladding techniques were useful methods in purpose of making Zr-based bulk metallic glass surface bioactive.

    http://www.sciencedirect.com/science/article/pii/S0167577X12006799?v=s5




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