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Carbon fiber with a gradient of matrix composition based on benzoxazinephthalonitrile compositions
https://doi.org/10.22349/1994-6716-2024-120-4-78-87
Abstract
A technology for producing a gradient of a binder in carbon fiber reinforced plastic by powder spraying has been developed. The plastic based on benzoxazine-phthalonitrile binder has been obtained. The binder in the upper layers of the carbon fiber reinforced plastic contains mainly phthalonitrile, the binder in the center of the plate contains mainly benzoxazine. The binder composition changes smoothly from the surface to the center of the sample, i.e. there is a gradient of the matrix composition. To improve impact resistance, a high-temperature thermoplastic is introduced into the binder composition, the concentration of which also changes over the thickness of the sample. Compared with a homogeneous carbon fiber reinforced plastic with the same content of components in the binder, the gradient carbon fiber reinforced plastic has shown higher heat resistance and impact strength without loss of rigidity.
Keywords
benzoxazine,
phthalonitrile,
composite material,
composition gradient,
carbon fiber,
heat resistance,
mechanical properties
Supporting agencies: The study was supported by the Russian Science Foundation grant No 23-23-00133, https://rscf.ru/ project/23-23-00133/
About the Authors
K. A. Andrianova
Kazan National Research Technical University named after A.N. Tupolev (KAI)
Russian Federation
Russian Federation
Cand Sc. (Eng).
10 Karl Marx St, 420111 Kazan, Republic of Tatarstan
V. S. Nikitin
Kazan National Research Technical University named after A.N. Tupolev (KAI)
Russian Federation
Russian Federation
10 Karl Marx St, 420111 Kazan, Republic of Tatarstan
R. R. Amirov
Kazan Federal University
Russian Federation
Russian Federation
Dr Sc. (Chem).
18 Kremlevskaya St, 420008 Kazan, Republic of Tatarstan
I. S. Antipin
Kazan Federal University
Russian Federation
Russian Federation
Dr Sc. (Chem).
18 Kremlevskaya St, 420008 Kazan, Republic of Tatarstan
L. M. Amirova
Kazan National Research Technical University named after A.N. Tupolev (KAI)
Russian Federation
Russian Federation
Dr Sc. (Chem).
10 Karl Marx St, 420111 Kazan, Republic of Tatarstan
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Review
For citations:
Andrianova K.A., Nikitin V.S., Amirov R.R., Antipin I.S., Amirova L.M. Carbon fiber with a gradient of matrix composition based on benzoxazinephthalonitrile compositions. Voprosy Materialovedeniya. 2024;(4(120)):78-87. (In Russ.) https://doi.org/10.22349/1994-6716-2024-120-4-78-87
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