Publication detail

Higher in-flight particle velocities enhance in vitro tribological behavior of plasma sprayed hydroxyapatite coatings

KHUN, N. LI, Z. KHOR, K. ČÍŽEK, J.

Original Title

Higher in-flight particle velocities enhance in vitro tribological behavior of plasma sprayed hydroxyapatite coatings

Type

journal article in Web of Science

Language

English

Original Abstract

Hydroxyapatite (HA) coatings were deposited onto Ti6Al4V substrates via atmospheric plasma spraying under systematically varying spray parameters, leading to different in-flight particle velocities. Morphology, composition, and tribological properties of the coatings were then studied. The coatings deposited at higher in-flight particle velocities exhibited smoother surface topography, better inter-particle bonding and higher Young’s modulus and hardness. Ball-on-disc tribological results showed that the friction and wear of the HA coatings significantly decreased with increased in-flight particle velocity under both dry and wet (Hanks’ solution) conditions. All HA coatings exhibited lower friction and wear during the wet sliding due to the lubricating effect of the solution.

Keywords

HA coating; thermal spraying; bio-tribology; Hanks’ solution; friction; wear

Authors

KHUN, N.; LI, Z.; KHOR, K.; ČÍŽEK, J.

Released

1. 11. 2016

Publisher

Elsevier

Location

USA

ISBN

0301-679X

Periodical

Tribology International

Year of study

103

Number

1

State

United Kingdom of Great Britain and Northern Ireland

Pages from

496

Pages to

503

Pages count

8

URL

http://www.sciencedirect.com/science/article/pii/S0301679X16302523

Full text in the Digital Library

http://hdl.handle.net/11012/137057

BibTex

@article{BUT127152,
  author="Nay Win {Khun} and Zhong Alan {Li} and Khiam Aik {Khor} and Jan {Čížek}",
  title="Higher in-flight particle velocities enhance in vitro tribological behavior of plasma sprayed hydroxyapatite coatings",
  journal="Tribology International",
  year="2016",
  volume="103",
  number="1",
  pages="496--503",
  doi="10.1016/j.triboint.2016.08.006",
  issn="0301-679X",
  url="http://www.sciencedirect.com/science/article/pii/S0301679X16302523"
}