Heat-resistant CFRP for the impulse wheel of the centrifugal compressor

Zelenina I.V., Gulyaev I.N., Kucherovsky A.I., Mukhametov R.R.
UDC
678.747.2
DOI
10.18577/2307-6046-2016-0-2-8-8
Article PDF (Russian) (495.77 KB)
How to cite
Zelenina I.V., Gulyaev I.N., Kucherovsky A.I., Mukhametov R.R. Heat-resistant CFRP for the impulse wheel of the centrifugal compressor // Proceedings of VIAM. 2016. No. 2. DOI: 10.18577/2307-6046-2016-0-2-8-8. URL: https://test.viam.ru/en/journal/2016/2/8
Keywords
phthalonitrile binder, carbon filler, heat-resistant CFRP, centrifugal compressor, ring, blade.
Abstract

Heat-resistant CFRP VKU-38ZhN and VKU-38TR on the basis of phthalonitrile binder VSN-31 for elements of the impulse wheel of the centrifugal compressor are considered. High level of preservation of the elastic and strength properties of CFRP is shown at temperatures of 300 and 350°С. The analysis of test results of CFRP after the effect of heat-moisture conditions and heat aging shows that CFRP VKU-38ZhN and VKU-38TR possess high stability to heat-moisture as 74–100% preservation of properties in comparison with initial data at different temperatures of tests and can work for a long time at temperature of 200°С, 1000 h at temperature of 300°С and for a short time (during 200 h) at temperature of 330°С. The complex of the received properties of CFRP VKU-38TR and VKU-38ZhN allows recommending them as structural materials for products of aviation engineering.

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