alexa XRD and Microhardness Studies of Ni<sup>2+</sup> and W<sup>6+</sup> Transition Metal Ions Doped with Tellurite Barium Borate Glasses
ISSN:2321-6212

Research & Reviews: Journal of Material Sciences
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Research Article

XRD and Microhardness Studies of Ni2+ and W6+ Transition Metal Ions Doped with Tellurite Barium Borate Glasses

R Palani1* and M Marshal Arunkumar2

1Department of Physics, DDE, Annamalai University, Annamalai Nagar - 608002, Tamil Nadu, India

2Department of Physics, Annamalai University, Annamalai Nagar - 608002, Tamil Nadu, India

Corresponding Author:
R Palani
Department of Physics
DDE, Annamalai University
Annamalai Nagar - 608002
Tamil Nadu, India

Received: 22/02/2014; Revised: 15/03/2014; Accepted: 19/03/2014

 

Abstract

Glasses with composition 10TeO2.15BaO.(75-x)B2O3.xNiO and 10TeO2.15BaO.(75-x)B2O3.xWO3 (where x= 0 to 1 mol% in steps of 0.2) have been prepared by using a conventional melt-quenching method. The amorphous nature of the samples was ascertained using X-ray diffractometry (XRD). Microhardness measurements were carried out using Zwick 3212 hardness tester fitted with a Vicker’s diamond pyramidal indenter. Microhardness studies revealed that the hardness of the glasses increased with an increase in applied load. Meyer’s index number / work hardening exponent ‘n’ was calculated and found that the material belongs to hard material category.

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