Abstract
We study the results of experimental investigation of the thermal deformation of carbonized carbon fiber-reinforced plastics used as a heat-shielding material for aircrafts and shuttle spacecrafts. It is shown that, in the process of thermal cycling of laminated carbon-carbon composite materials with chaotic or three-dimensional reinforcement, the degree of thermal expansion increases independently of the gaseous environment of testing up to a certain number (4–5) of heating cycles. As the number of thermal cycles increases, the thermal strains induced in the materials gradually decrease due to the structural changes in the matrix, fiber, and at the interfaces of materials in the composite.
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Translated from Problemy Prochnosti, No. 3, pp. 118–133, May–June, 2007.
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Gracheva, L.I. Thermal deformation of carbon-carbon composite materials with different schemes of reinforcement under thermal cycling conditions. Strength Mater 39, 307–319 (2007). https://doi.org/10.1007/s11223-007-0035-z
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DOI: https://doi.org/10.1007/s11223-007-0035-z