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- Title
Probe Indentation: A Mesoscale Approach to Characterise Powder Systems: Experimental Investigation of Monomodel and Bimodal Diameter Distributions of Glass Spheres.
- Authors
Danby, Matthew; Shrimpton, John S.
- Abstract
An experimental study investigating a novel power characterisation method is investigated. The scope of this experimental work is to assess the feasibility, suitability and sensitivity of small scale probe indentation as a mechanism by which Discrete element method (DEM) may be calibrated. This meso-scale approach is chosen for investigation since it bridges the gap between the single-particle methodologies of atomic force microscopy (AFM) and bulk measurements such as shear cell testing. Five different mono-modal populations of glass bead and bi-modal blends of these populations have been examined. The force-displacement profile from a spherical probe was measured during indentation into a powder bed. Discernable differences in the resultant force-profile are quantifiable and a mechanism has been proposed for the physical basis of these different characteristics.
- Publication
Particle & Particle Systems Characterization, 2012, Vol 29, Issue 3, p144
- ISSN
0934-0866
- Publication type
Article
- DOI
10.1002/ppsc.201100046