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时丽,白玉,周生健,迟柏祥,马文.悬浮液等离子喷涂制备氟代羟基磷灰石生物涂层[J].稀有金属材料与工程(英文),2020,49(2):540~544.[Shi Li,Bai Yu,Zhou Shengjian,Chi Baixiang and Ma Wen.Preparation of fluorohydroxyapatite bio-coating by suspension plasma spraying[J].Rare Metal Materials and Engineering,2020,49(2):540~544.]
Preparation of fluorohydroxyapatite bio-coating by suspension plasma spraying
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Received:March 15, 2019  Revised:April 22, 2019
Key words: Suspension plasma spraying  Fluorohydroxyapatite  Bio-coating  Phase analysis  Corrosion resistance
Foundation item:国家自然科学基金资助(项目号51462026 和51672136),内蒙古自然科学基金资助(项目号2018MS05010)
Author NameAffiliation
Shi Li,Bai Yu,Zhou Shengjian,Chi Baixiang and Ma Wen  
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      Home-synthesized FHA powder were used to obtain a water-based suspension. And the FHA coating was fabricated on a Ti substrate by suspension plasma spraying technique. The effect of spraying power on the microstructure and properties of coatings was studied. The crystalline phases and chemical compositions of the coatings were characterized through XRD. The result showed that all coatings contained a HA major phase and the decomposition phases (α-TCP, β-TCP and TTCP). FT-IR and XPS confirmed the presence of fluorine in the as-sprayed coatings. The solubility result showed that the substitution of fluorine into the HA structure had a positive effect on the dissolution resistance of the HA. The corrosion behavior was studied in a SBF solution using potentiodynamic polarization test, and the results indicated that the coatings enhanced the corrosion resistance of the Ti substrate.