Elastic Properties of Clinopyroxene Based Glasses along Diopside (CaMgSi₂O₆)-Jadeite (NaAlSi₂O₆) Join

Rinkel Jindal, Widiya Jatmiko, Indra Vir Singh, R. Jayaganthan

Department of Glass and Ceramic Composites, Institute of Mineral Engineering, RWTH Aachen, Mauerstr. 5, 52064 Aachen, Germany.
Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India.
Department of Metallurgical and Materials Engineering & Centre of Nano-technology, Indian Institute of Technology Roorkee, Roorkee 247667, India.

DOI: 10.4236/jmmce.2012.113020                

Abstract

The elastic properties of glasses along Diopside (CaMgSi₂O₆)-Jadeite (NaAlSi₂O₆) join (Di_x - Jd_1-x where x=20, 40, 60, 80, 100 mole %), were obtained by the ultrasonic echography technique, at room temperature. The correlation of elastic moduli with the atomic packing density of these glasses was discussed. The derived experimental values of Young’s modulus, bulk modulus, shear modulus and Poisson’s ratio for investigated glasses were compared with those theoretically calculated values in terms of the Makishima–Mackenzie model and the modified model presented by Rocherulle.

Keywords

Glass, Diopside, Mechanical properties

Conflicts of Interest

The authors declare no conflicts of interest.

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