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Materials 2014, 7(9), 6194-6206; doi:10.3390/ma7096194
Article

Massive Transformation in Titanium-Silver Alloys and Its Effect on Their Mechanical Properties and Corrosion Behavior

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 and
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1 Department of Dental Materials and Medical Research Center for Biomineralization Disorders, School of Dentistry, Chonnam National University, Gwangju 500-757, Korea 2 Industry-Academic Cooperation Foundation, Wonkwang University, Jeonbuk 570-749, Korea 3 Sunchon Center, Korea Basic Science Institute, Sunchon 540-950, Korea
* Author to whom correspondence should be addressed.
Received: 20 June 2014 / Revised: 9 August 2014 / Accepted: 25 August 2014 / Published: 29 August 2014
(This article belongs to the Section Biomaterials)
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Abstract

In order to investigate the relationship between phase/microstructure and various properties of Ti–xAg alloys, a series of Ti–xAg alloys with Ag contents ranging from 5 to 20 wt% were prepared. The microstructures were characterized using X-ray diffractometry (XRD), optical microscopy (OM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). All of the Ti–xAg alloys showed a massive transformation from the β-Ti to αm phase, which has a different crystal structure from that of the matrix phase, but it has the same composition as the matrix α-Ti phase. As a result of solid-solution strengthening of α-Ti and massive transformation phase, the Ti–xAg showed better mechanical properties than the commercially pure titanium (cp-Ti). Electrochemical results showed that the Ti–xAg alloys exhibited improved corrosion resistance and oxidation resistance than cp-Ti.
Keywords: artificial neural network; fuzzy information entropy; medical costs estimation; myocardial infarction disease; attribute reduction artificial neural network; fuzzy information entropy; medical costs estimation; myocardial infarction disease; attribute reduction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Han, M.-K.; Hwang, M.-J.; Won, D.-H.; Kim, Y.-S.; Song, H.-J.; Park, Y.-J. Massive Transformation in Titanium-Silver Alloys and Its Effect on Their Mechanical Properties and Corrosion Behavior. Materials 2014, 7, 6194-6206.

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