Fracture Mechanics Study on Porosity Zirnocia/hydroxyapatite Coating Obtained through Microarc Oxidation on Medical Titanium Alloy Surface

Feng Biao Wang; Jie Yu; Shi Chun Di

doi:10.4028/www.scientific.net/AMR.503-504.420

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Fracture Mechanics Study on Porosity Zirnocia/hydroxyapatite Coating Obtained through Microarc Oxidation on Medical Titanium Alloy Surface
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 503-504Fracture Mechanics Study on Porosity...

Fracture Mechanics Study on Porosity Zirnocia/hydroxyapatite Coating Obtained through Microarc Oxidation on Medical Titanium Alloy Surface

Abstract:

In electrolytes TiO2-based complex ceramic coatings containing Ca and P on titanium alloy were ultimately formed containing zirconia/hydroxyapatite by Micro-arc oxidation process. As well as the biomechanics measure experiment of speciments had been done, and the datas were analysised and researched. In addition, the toughening mechanism of reinforced coating was studied in detail, and consists of the second phase toughening, phase transformation toughening and microcrack toughening.The results show that the zirconia /hydroxyapatite coating has advanced biomechanics propertys compared to the individual hydroxyapatite one.

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Periodical:

Advanced Materials Research (Volumes 503-504)

Pages:

420-423

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.503-504.420

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Online since:

April 2012

Authors:

Feng Biao Wang, Jie Yu, Shi Chun Di

Keywords:

Biomechanics, Hydroxyapatite (HAP), Micro-Arc Oxidation (MAO), Porosity, Zirnocia

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