Dey, Arjun and Bhattacharya, Manjima and Mukhopadhyay, Anoop Kumar (2014) Grain Boundary Nanohardness of Coarse Grain Alumina. International Journal of Applied Ceramic Technology. pp. 1-11. ISSN 1546-542X

[img] PDF - Published Version
Restricted to Registered users only

Download (697Kb) | Request a copy


Here, we present the results of nanoindentation experiments conducted at ultralow peak loads of, for example, 1000,5000, and 10,000lN on a dense (~99.5%), coarse grain (~10lm) alumina ceramic. The results showed that the nanohardness values of alumina were sensitive to the applied loads as well as to the locations of measurements, for example, the center of the grain,away from the center of the grain and at the vicinity of the grain boundary. The location sensitivity of nanohardness was linked to compositional variations of the different locations and to the presence of an amorphous phase.

Item Type: Article
Subjects: Engineering Materials
Depositing User: Bidhan Chaudhuri
Date Deposited: 19 May 2017 11:01
Last Modified: 19 May 2017 11:01

Actions (login required)

View Item View Item