National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Brittle behaviour of composites with basalt fibres after exposition in hot air
Glogar, Petr ; Černý, Martin ; Sucharda, Zbyněk
Composites with matrix from partially pyrolysed polysiloxane resin and continuous basalt fibres become brittle after exposition to air at 650-750°C. One of possible reasons is a structural transformation of the fibres connected with formation at these temperatures of crystalline phases.
Young's modulus of heat-resistant fibrous composites at elevated temperatures
Černý, Martin ; Glogar, Petr ; Nekoksa, Pavel
Elastic behaviour of unidirectional composites with matrix derived from cured polysiloxanes and reinforced with SiC (Nicalon) or alumina (Nextel) fibres was measured at temperatures up to 1300řC in order to assess limits of their potential utilization as structural material in air environment.

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