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Influence of thermal moisture impact on the structure and properties of polyimide carbon fiber
https://doi.org/10.22349/1994-6716-2022-110-2-90-101
Abstract
The article studies influence of laboratory-simulated external influencing operational factors – water and moisture saturation, combined effect of elevated temperature and humidity, exposure in a tropical climate chamber on the properties of high-temperature carbon fiber based on a melted thermosetting polyimide binder. Studies of the structure, glass transition temperature and elastic-strength characteristics of carbon fiber after exposure were carried out, the change in the mass of carbon fiber samples during long-term exposure to water and moisture was estimated.
Keywords
polymer composite materials,
high temperature carbon fiber reinforced plastics,
polyimide binders,
thermal and moisture effects,
structure,
properties
Supporting agencies: The work was carried out as part of the implementation of the integrated scientific direction 13 “Polymer composite materials” (Strategic directions for the development of materials and technologies for their processing for the period up to 2030). The authors are grateful to Kurshev E.V., Khaskov M.A. (NRC “Kurchatov Institute” – VIAM) in conducting experiments
About the Authors
M. I. Valueva
National Research Center Kurchatov Institute – VIAM
Russian Federation
Russian Federation
Cand Sc. (Eng)
17 Radio St, 105005 Moscow
I. V. Zelenina
National Research Center Kurchatov Institute – VIAM
Russian Federation
Russian Federation
17 Radio St, 105005 Moscow
A. V. Nacharkina
National Research Center Kurchatov Institute – VIAM
Russian Federation
Russian Federation
17 Radio St, 105005 Moscow
S. L. Lonsky
National Research Center Kurchatov Institute – VIAM
Russian Federation
Russian Federation
17 Radio St, 105005 Moscow
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For citations:
Valueva M.I., Zelenina I.V., Nacharkina A.V., Lonsky S.L. Influence of thermal moisture impact on the structure and properties of polyimide carbon fiber. Voprosy Materialovedeniya. 2022;(2(110)):90-101. (In Russ.) https://doi.org/10.22349/1994-6716-2022-110-2-90-101
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