Reinforcement of polyetheretherketone polymer with titanium for improved mechanical properties and in vitro biocompatibility

Hyun Do Jung, Hui Sun Park, Min Ho Kang, Yuanlong Li, Hyoun Ee Kim, Young-Hag Koh, Yuri Estrin

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Blends of ductile Ti metal with polyetheretherketone (PEEK) polymer were studied with regard to their mechanical properties and in vitro biocompatibility. PEEK/Ti composites with various Ti contents, ranging from 0 vol % to 60 vol %, were produced by compression molding at 370°C. In all composites produced, regardless of the initial Ti content, Ti particles were well distributed in the PEEK matrix. Addition of Ti led to a significant increase in mechanical properties of PEEK. Specifically, an increase in Ti content enhanced compressive strength and stiffness, while preserving ductile fracture behavior. In addition, the use of Ti for reinforcement of PEEK provided the composites with improved in vitro biocompatibility in terms of the attachment, proliferation, and differentiation of MC3T3-E1 cells.

Original languageEnglish
Pages (from-to)141-148
Number of pages8
JournalJournal of Biomedical Materials Research - Part B Applied Biomaterials
Volume104
Issue number1
DOIs
Publication statusPublished - 2016 Jan 1

Keywords

  • mechanical properties
  • metals
  • particle-reinforced composites
  • polymers
  • powder processing

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials

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