Some features of semi-pregs application for vacuum formation of polymeric composite materials (review)

Donetskiy K.I., Dushin M.I., Mischun M.I., Sevastyanov D.V.
UDC
678.8
DOI
10.18577/2307-6046-2017-0-12-8-8
Article PDF (Russian) (921.63 KB)
How to cite
Donetskiy K.I., Dushin M.I., Mischun M.I., Sevastyanov D.V. Some features of semi-pregs application for vacuum formation of polymeric composite materials (review) // Proceedings of VIAM. 2017. No. 12. DOI: 10.18577/2307-6046-2017-0-12-8-8. URL: https://test.viam.ru/en/journal/2017/12/8
Keywords
polymeric composite materials, prepregs, semi-pregs, fiber, impregnation, permeability, porosity.
Abstract

Increase in demand for designs from polymeric composite materials (РСМ) has demanded decrease from cost value and as a result, search of replacement to rather expensive and autoclave formation which is now the main way of manufacturing of the high-loaded products. Use of vacuum formation of prepregs has not shown satisfactory results in view of receiving plastics with the high maintenance of time. As one of solutions of this problem, it was offered to pass to development of other materials – semi-pregs, consisting of the dry (not impregnated) part of fabric and binding. Many manufacturing firms of materials include in the nomenclature of the materials wide ruler semi-pregs. Semi-pregs are considered by large developers and consumers of polymeric composite materials when manufacturing perspective elements of rocket and aviation engineering of military and civil assignment. Pressure and temperature are important parameters of processing of such PСM, to questions on air removal from semi-

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