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Characterization of the closed porosity in plasma-sprayed alumina (1997)

ILAVSKY, J ; ALLEN, A. J ; LONG, G. G ; [et al.]

Springer

Journal of materials science 32 (1997), S. 3407-3410

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ISSN: 1573-4803

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: 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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1018616632261

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