Plasma-Detonation Technology for Modification of the Surface Layer of Metal Parts
J. ILAVSKY, A. J. ALLEN, G. G. LONG
JOURNAL OF MATERIALS SCIENCE
Abstract
The porous phase of plasma-sprayed alumina was characterized using mercury intrusion porosimetry, water immersion methods, and small-angle neutron scattering. A comparison of the results shows that the intrusion techniques did not yield a full porous phase characterization. It has been found that while the amount of closed porosity was 1.4%($0.5%) of the sample volume, this volume accounted for only 60% of the total internal surface area. The smallest void diameter was found to be 10 nm.
keywords:Archimedes; closed porosity; intrusion techniques; intralamellar
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