Abstract
In recent years, coated implants have been actively researched and put to use in many biomedical engineering applications. The coating used on the implants is hydroxyapatite (HA), a calcium-phosphate compound with attractive bioactive and biocompatible properties that can enhance the fixation process of biomedical implants. Thermal spraying provides a potent means for depositing the HA coatings on implants. Among the populat thermal-spray techniques are combustion-flame spray, plasma spray, and high-velocity oxy-fuel spray. This article investigates the versatility of thermal-spray techniques to perform spheroidization of HA powders, the preparation of HA-based biocomposite powders and coatings, and the deposition of HA coatings.
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Additional information
K.A. Khor earned his Ph.D. from Monash University in 1989. He is currently a senior lecturer at the School of Mechanical and Production Engineering at Nanyang Technological University (NTU) in Singapore.
P. Cheang earned his Ph.D. from Monash University in 1990. He is currently a senior lecturer at the School of Applied Science at NTU in Singapore.
Y. Wang earned her B.Eng. degree from Beijing University of Aeronautics and Astronautics in China in 1989. She is currently pursuing her M.Eng. at the School of Mechanical and Production Engineering at NTU in Singapore.
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Khor, K.A., Cheang, P. & Wang, Y. The thermal spray processing of HA powders and coatings. JOM 49, 51–57 (1997). https://doi.org/10.1007/BF02915482
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DOI: https://doi.org/10.1007/BF02915482