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Deformation of composite materials based on modified thermally expanded graphite

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Samples of thermally expanded graphite modified with aluminosilicates of varying concentration and undergoing bulk tests in conditions of uniaxial compression were investigated. Micromechanical tests were performed on the surface of the samples by the method of continuous indentation with an indenter. The deformation of the surface layer and bulk of the samples was investigated. It was found that the compressive strength of the samples of modified thermally expanded graphite increased with an increase in the degree of deformation. Modification of the thermally expanded graphite powder with aluminum compounds allows fabricating articles with deformation strength.

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Institute of Surface Chemistry, National Academy of Sciences of Ukraine. Kiev. Translated from Mekhanika Kompozitnykh Materialov, Vol. 33, No. 4, pp. 443–449, July–August, 1997.

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Nikitin, Y.A., Chernysh, I.G. & Goncharik, V.P. Deformation of composite materials based on modified thermally expanded graphite. Mech Compos Mater 33, 310–314 (1997). https://doi.org/10.1007/BF02256280

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  • Aluminum
  • Graphite
  • Surface Layer
  • Compressive Strength
  • Composite Material