Effect of silver nanoparticless in the structure and mechanical properties of mullite/Ag cermets

Author:

Téllez-Arias Gabriela1,Miranda-Hernández José2,Olea-Mejía Oscar3,Lemus-Ruiz J.4,Terrés Eduardo5

Affiliation:

1. Universidad Autónoma del Estado de México (CU-UAEM-VM), Estado de México, México + Universidad Michoacana de San Nicolás de Hidalgo, (FIQ), Edif. M-CU, Morelia, Michoacán, México

2. Universidad Autónoma del Estado de México (CU-UAEM-VM), Estado de México, México

3. Universidad Autónoma del Estado de México, Facultad de Química (CCIQS-UAEM-UNAM), Estado de México, México

4. Universidad Michoacana de San Nicolás de Hidalgo, (IIMM), Edif. U-CU, Morelia, Michoacán, México

5. Instituto Mexicano del Petróleo, México City, México

Abstract

The objective of this work was to study the influence of the addition of silver nanoparticles in the microstructure of mullite at two different temperatures of sintering (1500 and 1600?C), in order to decrease the porosity and increase the density as well better the hardness and fracture toughness. The microstructural characteristics were studied by scanning electron microscopy, confocal scanning microscopy and X-ray diffraction. Mullite/Ag cermets with homogenous microstructure were and a fracture toughness of 2.42 MP??m1/2.

Publisher

National Library of Serbia

Subject

Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites

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