Biomimetic coatings on fiber laser modified Ti-6Al-4V surfaces

T. F. Hong, L. M. Fu, B. S. Wu, K. Y. Lin, H. K. Lin, T. Y. Kuo

Research output: Contribution to journalArticlepeer-review

Abstract

This study compares and analyses the properties of Ti-6Al-4V surfaces affected by a fiber laser with two different output power levels (6.7 and 13.5 W). The fiber laser modified Ti-6Al-4V samples were immersed in a modified artificial simulated body fluid (m-SBF) solution and a supersaturated 1.5 m-SBF for a period of time to evaluate their bioactivity and biomimetic bone-like apatite coating performances, respectively. The results revealed that the surface morphology, hardness and hydrophilicity of Ti-6Al-4V were improved after laser modification, and a 13.5W-treated sample had a relatively higher hardness value and more outstanding hydrophilicity compared with its 6.7W-treated counterpart. Furthermore, the laser treated samples were found to have a more favorable Ca and P inducibility in the m-SBF, where crystallized hydroxyapatite-rich bone-like apatite was found on their surfaces after immersing them in the m-SBF solution for a period of time. This bone-like apatite layer can be rapidly grown on the specimens when immersed in the 1.5 m-SBF solution for only 3 days, indicating its favorable biomimetic coating efficiency.

Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalJournal of Laser Micro Nanoengineering
Volume11
Issue number2
DOIs
Publication statusPublished - 2016

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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