Calcium Carbonate Coating on Ti by Transformation of CaO Coating Produced by Sandblasting

Abstract:

Titanium was the most commonly used metal in orthopedic implant. However, no direct chemical bond would be possible between the implant and surrounding bone tissue, and so the titanium implants lack the potential to induce rapid bone formation. Coating the titanium with a bioresorbable and osteoconductive layer would have a significant osseointegration. The purpose of this study was to fabricate and characterize calcium carbonate coating. The coating was fabricated on Ti substrate by converting of CaO coating in humidity environment under CO₂ flow. The CaO coating was deposited by sandblasting process. The CaCO₃ coating was approx. 1.85 µm thick and covered the surface’s surface uniformly. The coating strength was approx. 16.1 MPa and the Ca content in the coating was 2.02 mg/mm².

• Periodical: Key Engineering Materials (Volume 932)
• Pages: 157-162
• DOI: https://doi.org/10.4028/p-s6v5ji
• Online since: September 2022
• Authors: Thi Bang Le*, Duc Long Bui, Nhung Hong Thi Nguyen, Eddy Eddy
• Keywords: Calcite Coating, Osteoconduction, Sandblasting, Titanium

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