Open Access
CC BY-NC-ND 4.0 · Eur J Dent 2017; 11(04): 438-446
DOI: 10.4103/ejd.ejd_100_17
Original Article
Dental Investigation Society

X-ray diffraction analysis of hydroxyapatite-coated in different plasma gas atmosphere on Ti and Ti-6Al-4V

Ravindra Kotian
1   Department of Dental Materials, Manipal College of Dental Sciences, Manipal University, Mangalore, Karnataka, India
,
P Prasad Rao
2   Department of Metallurgical and Materials Engineering, National Institute of Technology Karnataka, Surathkal, Karnataka, India
,
Prashanthi Madhyastha
1   Department of Dental Materials, Manipal College of Dental Sciences, Manipal University, Mangalore, Karnataka, India
› Author Affiliations
Further Information

Publication History

Publication Date:
01 October 2019 (online)

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ABSTRACT

Objective: The aim is to study the effect of plasma working gas on composition, crystallinity, and microstructure of hydroxyapatite (HA) coated on Ti and Ti-6Al-4V metal substrates. Materials and Methods: Ti and Ti-6Al-4V metal substrates were coated with HA by plasma spray using four plasma gas atmospheres of argon, argon/hydrogen, nitrogen, and nitrogen/hydrogen. The degree of crystallinity, the phases present, and microstructure of HA coating were characterized using X-ray diffraction and scanning electron microscopy. Results: Variation in crystallinity and the microstructure of HA coating on plasma gas atmosphere was observed. Micro-cracks due to thermal stresses and shift in the 2θ angle of HA compared to feedstock was seen. Conclusion: Plasma gas atmosphere has a significant influence on composition, crystallinity, and micro-cracks of HA-coated dental implants.