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Open AccessArticle

Characteristics of (002) Oriented Hydroxyapatite Coatings Deposited by Atmospheric Plasma Spraying

1
College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
2
Beijing Engineering Research Center of Eco-Materials and LCA, Beijing University of Technology, Beijing 100124, China
*
Authors to whom correspondence should be addressed.
Coatings 2018, 8(8), 258; https://doi.org/10.3390/coatings8080258
Received: 16 June 2018 / Revised: 19 July 2018 / Accepted: 22 July 2018 / Published: 25 July 2018
Hydroxyapatite (HA) coatings with strong (002) preferred orientation were successfully prepared on Ti-6Al-4V substrates with conventional atmospheric plasma spraying (APS). The intensity changes of (002) preferred orientation along the coating depth were investigated and the mechanical properties of these coatings were analyzed. Results indicated that the intensity of (002) preferred orientation at a distance of longer than ~90 mm from the interface showed a high value, where uniformly distributed columnar grains in a direction perpendicular to the coating surface were observed. The results obtained from experiments on the mechanical properties revealed that the (002) oriented coatings prepared by conventional APS technique exhibited excellent mechanical properties. Meanwhile, this study provided a simple and rapid method for the preparation of HA coatings with (002) preferred orientation. View Full-Text
Keywords: hydroxyapatite coating; atmospheric plasma spraying; preferred orientation; columnar grain hydroxyapatite coating; atmospheric plasma spraying; preferred orientation; columnar grain
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MDPI and ACS Style

Liu, X.; He, D.; Zhou, Z.; Wang, G.; Wang, Z.; Wu, X.; Tan, Z. Characteristics of (002) Oriented Hydroxyapatite Coatings Deposited by Atmospheric Plasma Spraying. Coatings 2018, 8, 258.

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