Neutron Diffraction Residual Strain Measurements in Plasma Sprayed Nanostructured Hydroxyapatite Coatings for Orthopaedic Implants-Reference-Cited by-同舟云学术

Neutron Diffraction Residual Strain Measurements in Plasma Sprayed Nanostructured Hydroxyapatite Coatings for Orthopaedic Implants

Published:2010-05 Issue: Volume:652 Page:309-314
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Ahmed Rehan¹,Faisal Nadimul Haque¹,Knupfer Stefan M.¹,Paradowska Anna Maria²,Fitzpatrick Michael E.³^ORCID,Khor Khiam Aik⁴,Cizek Jan⁴

Affiliation:

1. Heriot-Watt University

2. Rutherford Appleton Laboratory

3. Open University

4. Nanyang Technological University

Abstract

Residual strains in plasma sprayed and heat-treated hydroxyapatite (HA) coatings deposited on a titanium alloy (Ti-6Al-4V) substrate were investigated by means of neutron diffraction. Strain measurements were performed in vertical scan (“z-scanning”) mode to provide a through thickness strain profile in the coating and substrate materials. Results are discussed in terms of the influence of heat-treatment on the residual strain profile of these biomedical coatings. This investigation concluded that the heat-treatment had a significant effect on the residual strain profile in HA coatings.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.652.309.pdf

Reference11 articles.

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3. Ahmed R, Yu H, Stewart S, Edwards L and Santisteban J: Residual strain measurements in thermal spray cermet coatings via neutron diffraction, ASME J. Tribol. Vol. 129 (2007) pp.411-418.

4. R. Ahmed, N. H. Faisal, R. L. Reuben, A. Paradowska, M. Fitzpatrick, J. Kitamura, S. Osawa: Residual Strain in Thermally Sprayed Alumina Coatings Deposited via Air Plasma and High Velocity Oxy-Fuel Techniques, Journal of Physics: Conference Series (Accepted Nov 2009).

5. Y. C. Chung: Influence of residual stress on bonding strength of the plasma-sprayed hydroxyapatite coating after vacuum heat treatment, Surface and Coatings Technology, Vol. 201 (2007), pp.7178-7193.

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