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- Article name
- The influence of deviations of reinforcing elements of thermal protecting C-C composites from nominal reinforcing directions upon the distribution of roughness
- Authors
- KHLYBOV V. I., , ofpat@mail.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Center"; South Ural Scientific Centre, Miass, Chelyabinsk Region, Russia
SHVALEVA R. K., , src@makeyev.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Center"; South Ural Scientific Centre, Miass, Chelyabinsk Region, Russia
KOSTIN G. F., , kostgf@yandex.ru; ofpat@mail.ru, South Urals Federal Research Center of Mineralogy and Geoecology of the UB RAS, Miass, Chelyabinsk Region, Russia
KALASHNIKOV S. T., , ofpat@mail.ru, South Urals Federal Research Center of Mineralogy and Geoecology UB of the RAS, Miass, Chelyabinsk Region, Russia
MOKIN Yu. A., , ofpat@mail.ru, South Urals Federal Research Centre of Mineralogy and Geoecology of the UB RAS, Miass, Chelyabinsk Region, Russia
PRIDANNIKOV A. V., , src@makeyev.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Centre", Miass, Chelyabinsk Region, Russia
- Keywords
- flight vehicles / C-C composites / surface roughness / ablation of materials / ablated shapes
- Year
- 2023 Issue 3 Pages 33 - 42
- Code EDN
- KFAQWF
- Code DOI
- 10.52190/2073-2562_2023_3_33
- Abstract
- Parameters of the structure of reinforcing elements of thermal protecting C-C composites ablated along the FV flight trajectories are manifested on the surface as large-scale and finely divided roughness. The large-scale roughness is formed by outcropping of reinforcing elements of thermal protecting C-C composites. When thermal protecting C-C composite frames are assembled, impregnated with coal tar under pressure and carbonized at high temperatures in subsequent phases, their reinforcing elements can slightly bend and deviate from nominal reinforcing directions. This causes fluctuations in the distribution of roughness over the surface of elements of thermal protecting C-C composites from the theoretically nominal. Presents a method of accounting for the influence of slight deviations of reinforcing elements from nominal reinforcing directions upon the distribution of equivalent sandy-grained roughness.
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