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Formation and growth of calcium phosphate on the surface of oxidized Ti–29Nb–13Ta–4.6Zr alloy

Paper ID Volume ID Publish Year Pages File Format Full-Text
11753 757 2004 8 PDF Available
Title
Formation and growth of calcium phosphate on the surface of oxidized Ti–29Nb–13Ta–4.6Zr alloy
Abstract

The bioconductivity of a new biomedical titanium alloy Ti–29Nb–13Ta–4.6Zr achieved by a combination of surface oxidation and alkali treatment is reported in this paper. Oxidation treatment at 400°C for 24 h was found to result in the formation of a hard layer on the surface of the alloy. Immersion in a protein-free simulated body fluid and fast calcification solution led to the growth of calcium phosphate (Ca–P) phase on the oxidized and alkali-treated alloy, and the new bioconductive surface was still harder than the substrate. The surface processes during various treatment and immersion processes were investigated in detail, and the morphology of the calcium phosphate crystals was shown to be determined by the concentrations of Ca and P in the solution.

Keywords
Calcium phosphate coating; Crystal growth; Oxidation; Metal surface treatment; Titanium alloy
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Formation and growth of calcium phosphate on the surface of oxidized Ti–29Nb–13Ta–4.6Zr alloy
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 25, Issue 13, June 2004, Pages 2525–2532
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us