Abstract
Results are given for an experimental and theoretical study of a rapid method for determining the porosity of polymer composites by measuring the limiting moisture content in the material. The limiting moisture content was calculated using Fick 's equation solved for a plane parallel plate. The necessary parameters required for solving Fick 's equation were determined experimentally in the initial stage of the kinetic curve for water absorption. The porosity calculation was carried out using constants of a control material previously determined for pilot samples. This method is sufficiently accurate for engineering purposes and does not require special equipment.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Yu. Yu. Perov, V. A. Lokshin, and N. V. Lyapina, “Effect of technical factors on the flexural strength of carbon plastics,” Mekhan. Kompozitn. Mater., No. 4, 660–664 (1988).
Yu. Yu. Perov and E. Yu. Kruzhkova, “Effect of Moisture on the mechanical properties of carbon plastics differing in porosity,” Mekhan. Kompozitn. Mater., No. 2, 223–229 (1991).
T. G. Plachenov and S. D. Kolosentsev, Porometry [in Russian], Khimiya, Leningrad (1988).
D. Purslow, “On the optical assessment of the void content in composite materials,” Composites,15, No. 3, 207–210 (1976).
C. H. Shen and G. S. Springer, “Moisture absorption and desorption of composite materials,” J. Composite Mater.,10, No. 1, 2–20 (1976).
Author information
Authors and Affiliations
Additional information
Translated from Mekhanika Kompozitnykh Materialov, Vol. 31, No. 6, pp. 824–827. November–December, 1995.
Rights and permissions
About this article
Cite this article
Perov, Y.Y., Kruzhkova, E.Y. Express determination of polymer composite porosity. Mech Compos Mater 31, 585–587 (1996). https://doi.org/10.1007/BF00634908
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00634908