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Corrosion Behavior of PM Processed Ti-Ca-P Bioceramic Composites in Hank's Balanced Salt Solution Using Potentiodynamic Studies

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Title Corrosion Behavior of PM Processed Ti-Ca-P Bioceramic Composites in Hank's Balanced Salt Solution Using Potentiodynamic Studies
 
Creator KARANJAI, M
JYOTHIRMAYI, A
SUNDARESAN, R
MOHAN, TRR
KASHYAP, BP
 
Subject electrochemical impedance spectroscopy
simulated body-fluid
apatite formation
implant alloys
titanium
biocomposite
tissue
resistance
ceramics
 
Description Ti-Ca-P bioceramic composites for load bearing implants developed by a new powder metallurgy processing technique were studied for their electrochemical corrosion properties. For determining corrosion behavior of such composites having in situ formed bioactive Ca-P phases, potentiodynamic and studies were conducted in simulated body fluid namely Hank's balanced salt solution. Potentiodynamic polarization tests showed no evidence of pitting corrosion. Corrosion potentials (-0.27 to -0.53 V) and corrosion rates (0.17-4.46 mills per year) of Ti-Ca-P bioceramic composite samples were superior to earlier reported results for coated Ti implants due to the formation of passive layer of bone-like calcium phosphate on the sample surface.
 
Publisher WILEY-BLACKWELL PUBLISHING, INC
 
Date 2011-09-01T11:30:09Z
2011-12-26T12:59:38Z
2011-12-27T05:52:09Z
2011-09-01T11:30:09Z
2011-12-26T12:59:38Z
2011-12-27T05:52:09Z
2010
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 7(2), 148-155
1546-542X
http://dx.doi.org/10.1111/j.1744-7402.2009.02437.x
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12766
http://hdl.handle.net/10054/12766
 
Language en