Effect of Heat Treatment on Mechanical Properties of Silver Nanoparticles Embedded in Phosphate Glasses

Abstract

Abstract

Silver nanoparticles have been embedded in CaO-P₂O₅ and CaO-CaF₂-P₂O₅ glasses using melt quenching technique and heat treatment process. The growth of silver nanoparticles in the glass matrix appeared to be time dependent. Mechanical properties such as Vickers hardness, fracture toughness and brittleness for the glass samples were evaluated using a Vickers Indentation technique. Variation in Vickers hardness, Fracture toughness, and brittleness was observed with an increase in the size of the silver nanoparticles which is due to an increase in the duration of heat treatment. The obtained results were also correlated with the surface morphology of the median radial cracks were generated from the four corners of the Vickers indentation pattern in the phosphate glass matrix which was further confirmed using scanning electron microscopy analysis.

Keywords: Phosphate Glass, Silver Nanoparticles, Vickers hardness, Fracture Toughness, and Brittleness.

Cite this Article

G. Venkateswara Rao. Effect of heat treatment on mechanical properties of silver nanoparticles embedded in phosphate glasses. Journal of Thermal Engineering and Applications. 2018; 5(3): 11–17p.