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Updated: Aug 21, 2026

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices
Published on: March 27, 2019
Adsorption and deformation phenomena at interaction of N2 and microporous carbon adsorbent
V Yu Yakovlev1, A A Fomkin, A V Tvardovski
1Department of Thermophysics, Tver State Technical University, Af. Nikitin 22, Tver 170026, Russia.
Abstract:
Deformation of activated carbon adsorbent ACC (adsorbent obtained by removing Si from SiC) upon N(2) adsorption has been studied. To solve this problem, a dilatometer was used. Its main part was a line differential transformer, the core of which was connected to the adsorbent by means of a rod. Any changes in the adsorbent height caused a change in the core position in the transformer, which influenced the signal recorded from its secondary winding. These results were compared with the adsorption isotherms. High sensitivity of the dilatometric method has been shown. The dilatometer used allowed the measurement of absolute deformations in the range 1 x 10(-4) to 3 mm.
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