STUDY OF THE MECHANICAL PROPERTIES OF POLYETHERETHERKETONE AND POLYETHERETHERKETONE COPOLYMER IN A WIDE TEMPERATURE RANGE
https://doi.org/10.31143/2221-7789-2023-4-103-109
EDN: DMLJFH
Abstract
In this work, for the first time, comparative studies of the mechanical properties of polyetheretherketone and its copolymer based on hydroquinone and 4,4'-dihydroxybiphenyl were carried out in a wide range of test temperatures. The main regularities of the behavior of these materials in the temperature range from –65 °С to +250 °С are revealed; that the homopolymer has higher mechanical properties throughout the whole range of test temperatures. It is shown that both materials retain plasticity at low temperatures. It was found that at temperatures above 150 °C, a sharp decrease in mechanical properties occurs, which is associated with the transition of the studied materials into a highly elastic state due to the glass transition temperature.
About the Authors
E. V. Rzhevskaya
Kabardino-Balkarian State University
Russian Federation
Russian Federation
A. F. Tlupov
Kabardino-Balkarian State University
Russian Federation
Russian Federation
A. L. Slonov
Kabardino-Balkarian State University
Russian Federation
Russian Federation
A. A. Zhansitov
Kabardino-Balkarian State University
Russian Federation
Russian Federation
V. V. Davydova
Russian State University of Tourism and Service
Russian Federation
Russian Federation
S. Yu. Khashirova
Kabardino-Balkarian State University
Russian Federation
Russian Federation
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Review
For citations:
Rzhevskaya E.V., Tlupov A.F., Slonov A.L., Zhansitov A.A., Davydova V.V., Khashirova S.Yu. STUDY OF THE MECHANICAL PROPERTIES OF POLYETHERETHERKETONE AND POLYETHERETHERKETONE COPOLYMER IN A WIDE TEMPERATURE RANGE. Proceedings of the Kabardino-Balkarian State University. 2023;13(4):103-109. (In Russ.) https://doi.org/10.31143/2221-7789-2023-4-103-109. EDN: DMLJFH
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