Synthesis and properties of hydroxyapatite-containing porous titania coating on titanium by ultrasonic shot peening and micro-arc oxidation

被引：6
|
作者：
Deng Zhennan [1 ]
Liu Jinsong [1 ]
He Yun [2 ]
Wang Siqian [1 ]
Ma Jianfeng [1 ]
机构：
[1] Wenzhou Med Coll, Sch & Hosp Stomatol, Wenzhou 325027, Peoples R China
[2] Chengdu Univ, Med & Nursing Sch, Chengdu 610016, Peoples R China
来源：
MATERIAL DESIGN, PROCESSING AND APPLICATIONS, PARTS 1-4 | 2013年 / 690-693卷
关键词：
micro-arc oxidation; ultrasonic shot peening; coating; surface nanostructure; nanocrystalline hydroxyapatite;
D O I：
10.4028/www.scientific.net/AMR.690-693.2081
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Titanium with surface nanostructure has superior mechanical and biological properties, which benefits titanium implants. To further improve the bioactivity of Ti surfaces, Ca/P-containing porous titania coatings were prepared on Ti with surface nanostructure by ultrasonic shot peening (USP) and micro-arc oxidation (MAO). The phase identification, composition, morphology and microstructure of the coatings of Ti with surface nanostructure during MAO were investigated subsequently. The amounts of Ca, P and the Ca/P ratio of the coatings formed on Ti with surface nanostructure were greater than those on coarse-grained Ti. Incubated in a simulated body fluid, bone-like apatite was completely formed on the surface of Ti, thus evidencing preferable bioactivity.
引用
收藏
页码：2081 / +
页数：2
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