Pulsed plasma deposition of zirconia thin films on UHMWPE: Proof of concept of a novel approach for joint prosthetic implants

Michele Bianchi, Alessandro Russo, Nicola Lopomo, Marco Boi, Maria Cristina Maltarello, Simone Sprio, Matteo Baracchi, Maurilio Marcacci

Research output: Contribution to journalArticle

Abstract

Wear of ultra-high molecular weight polyethylene (UHMWPE) has been recognized as the main cause for long-term revision in joint arthroplasty. A new approach to overcome this detrimental issue is here presented: zirconia (ZrO2) thin films were directly deposited onto the surface of UHMWPE by Pulsed Plasma Deposition (PPD) technique. The obtained films were structurally, morphologically and mechanically characterized by X-ray diffraction, scanning electron microscopy and nanoindentation tests, respectively. The critical fracture load was estimated by the analysis of the indenter footprints, while the adhesion degree was evaluated by a cross-cut tape test. Zirconia films exhibited a fully cubic structure, with densely packed grains, whereas mechanical tests showed that hard, tough and well-adherent films were deposited. These preliminary results suggested the feasibility of pursuing this alternative route to improve UHMPWE performances while preserving its well-established mechanical properties.

Original languageEnglish
Pages (from-to)310-318
Number of pages9
JournalJournal of Materials Chemistry B
Volume1
Issue number3
DOIs
Publication statusPublished - Jan 21 2013

Fingerprint

Plasma deposition
Ultrahigh molecular weight polyethylenes
Zirconia
Joints
Thin films
Reoperation
X-Ray Diffraction
Arthroplasty
Electron Scanning Microscopy
Nanoindentation
Tapes
Adhesion
Wear of materials
X ray diffraction
Mechanical properties
Scanning electron microscopy
ultra-high molecular weight polyethylene
zirconium oxide

ASJC Scopus subject areas

  • Chemistry(all)
  • Biomedical Engineering
  • Medicine(all)
  • Materials Science(all)

Cite this

Pulsed plasma deposition of zirconia thin films on UHMWPE : Proof of concept of a novel approach for joint prosthetic implants. / Bianchi, Michele; Russo, Alessandro; Lopomo, Nicola; Boi, Marco; Maltarello, Maria Cristina; Sprio, Simone; Baracchi, Matteo; Marcacci, Maurilio.

In: Journal of Materials Chemistry B, Vol. 1, No. 3, 21.01.2013, p. 310-318.

Research output: Contribution to journalArticle

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