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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 2    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 2,February 2012
Elastic Properties of substituted 45S5 Bioactive Glasses and Glass - ceramic
Full Text(PDF, )  PP.290-302  
Ankesh Kumar Srivastava, Ram Pyare and S. P. Singh
— Bioceramics, Bioactive Glasses, Bioactive Glass - ceramics, Physical Properties, Bioactivity, Mechanical Properties, Elastic Modulus, Poisson’s ratio
CuO, Fe2O3, MnO2 and ZnO substituted 45S5 bioactive - glasses were prepared. Glass - derived Bioactive Glass - ceramics were obtained through controlled crystallization of bioactive glasses. The formed crystalline phases in bioactive glass - ceramics were identified using X - ray diffraction (XRD) analysis. Density and ultrasonic wave velocities of bioactive glasses and glass - ceramics were measured and used to study elastic properties: Young's modulus, shear modulus, bulk modulus and Poisson's ratio, of bioactive glasses and glass - ceramics. The results indicate that the addition of CuO, Fe2O3, MnO2 and ZnO contents in 45S5 bioactive glass enhances its density and elastic properties. The bioactive glass - ceramics exhibits higher density and elastic properties when compared with their corresponding bioactive glasses. 
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