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Materials 2014, 7(5), 3990-4000; doi:10.3390/ma7053990
Article

Microstructure Analysis of Ti-xPt Alloys and the Effect of Pt Content on the Mechanical Properties and Corrosion Behavior of Ti Alloys

1
,
1
,
1
,
2
 and
1,*
1 Department of Dental Materials and MRC for Biomineralization Disorders, School of Dentistry, Chonnam National University, Gwangju 500-757, Korea 2 Korea Institute of Materials Science, Changwon 642-831, Korea
* Author to whom correspondence should be addressed.
Received: 20 March 2014 / Revised: 9 May 2014 / Accepted: 12 May 2014 / Published: 21 May 2014
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Abstract

The microstructure, mechanical properties, and corrosion behavior of binary Ti-xPt alloys containing 5, 10, 15 and 20 wt% Pt were investigated in order to develop new Ti-based dental materials possessing superior properties than those of commercially pure titanium (cp-Ti). All of the Ti-xPt (x = 5, 10, 15, 20) alloys showed hexagonal α-Ti structure with cubic Ti3Pt intermetallic phase. The mechanical properties and corrosion behavior of Ti-xPt alloys were sensitive to the Pt content. The addition of Pt contributed to hardening of cp-Ti and to improving its oxidation resistance. Electrochemical results showed that the Ti-xPt alloys exhibited superior corrosion resistance than that of cp-Ti.
Keywords: Ti-Pt alloys; corrosion resistance; microstructure; mechanical properties Ti-Pt alloys; corrosion resistance; microstructure; mechanical properties
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Song, H.-J.; Han, M.-K.; Jeong, H.-G.; Lee, Y.-T.; Park, Y.-J. Microstructure Analysis of Ti-xPt Alloys and the Effect of Pt Content on the Mechanical Properties and Corrosion Behavior of Ti Alloys. Materials 2014, 7, 3990-4000.

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