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Moisture uptake in monolithic and composite materials: edge correction for rectanguloid samples

Moisture uptake in monolithic and composite materials: edge correction for rectanguloid samples
Moisture uptake in monolithic and composite materials: edge correction for rectanguloid samples
Experiments on moisture uptake of monolithic and composite materials are generally performed by immersing rectanguloid (square plate) samples in water. An edge correction factor is derived which, in a mathematically simple way, takes water uptake through all 6 faces (2 broad and 4 smaller faces) into account. Analysis shows this edge correction factor to be very accurate (deviations typically less than 2%). New expressions for moisture uptake in composites with unidirectionally aligned fibres are derived, by incorporating this edge correction factor as well as proper boundary conditions which depend on volume fraction of fibres. Experimental data on moisture uptake in these types of composite samples is successfully analysed using these expressions.
moisture absorbtion, diffusion, parallelepiped, rectanguloid, composite, unidirectional fibres, hygrothermal ageing
0022-2461
287-294
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
Starink, L.M.P.
4ee4e99d-658f-4ae7-9585-1918f17f9a50
Chambers, A.R.
74fa9b7e-6362-478e-a038-15f2828c5446
Starink, M.J.
fe61a323-4e0c-49c7-91f0-4450e1ec1e51
Starink, L.M.P.
4ee4e99d-658f-4ae7-9585-1918f17f9a50
Chambers, A.R.
74fa9b7e-6362-478e-a038-15f2828c5446

Starink, M.J., Starink, L.M.P. and Chambers, A.R. (2002) Moisture uptake in monolithic and composite materials: edge correction for rectanguloid samples. Journal of Materials Science, 37 (2), 287-294. (doi:10.1023/A:1013692026782).

Record type: Article

Abstract

Experiments on moisture uptake of monolithic and composite materials are generally performed by immersing rectanguloid (square plate) samples in water. An edge correction factor is derived which, in a mathematically simple way, takes water uptake through all 6 faces (2 broad and 4 smaller faces) into account. Analysis shows this edge correction factor to be very accurate (deviations typically less than 2%). New expressions for moisture uptake in composites with unidirectionally aligned fibres are derived, by incorporating this edge correction factor as well as proper boundary conditions which depend on volume fraction of fibres. Experimental data on moisture uptake in these types of composite samples is successfully analysed using these expressions.

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More information

Published date: 2002
Additional Information: An original paper concerning with refining models for diffusion/moisture uptake in composite materials. Quality of paper consistent with journal.Rating 3Rating 3
Keywords: moisture absorbtion, diffusion, parallelepiped, rectanguloid, composite, unidirectional fibres, hygrothermal ageing

Identifiers

Local EPrints ID: 21877
URI: http://eprints.soton.ac.uk/id/eprint/21877
ISSN: 0022-2461
PURE UUID: 928a231e-6370-496f-967a-0e2a0d3e4b2b

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Date deposited: 15 Mar 2006
Last modified: 18 Nov 2019 19:22

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Contributors

Author: M.J. Starink
Author: L.M.P. Starink
Author: A.R. Chambers

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