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Mikhail I. Panin
NII Grafit
On the porosity of reinforcing structures of structural composite materials formed by winding threads on mandrels
Panin M. I. On the porosity of reinforcing structures of structural composite materials formed by winding threads on mandrels. Technologies & Quality. 2025. No 3(69). P. 27–32. (In Russ.) https://doi.org/10.34216/2587-6147-2025-3-69-27-32.
DOI: https://doi.org/10.34216/2587-6147-2025-3-69-27-32
УДК: 677.024
EDN: LHNQNK
Publish date: 2025-09-09
Annotation: The physical and mechanical properties of composite materials are affected not only by their composition and structure, but also by various defects that arise during the production and operation of structural elements made from them. One of the main defects that significantly affects the reduction in the strength of composite materials is porosity. Porosity of the reinforcing structures of composite materials is determined by the degree of filling the total volume of the composite with fibrous filler, which in turn affects various properties of the materials. The purpose of the research is to analyse the properties of new structures of structural composite materials, formed by various types of windings and threads on mandrels, calculate their porosity and study their properties.
Keywords: winding, porosity, 3D winding, composite, textile structures, strength, binder, reinforcement
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Author's info: Mikhail I. Panin, NII Grafit, Moscow, Russia, MIPanin@rosatom.ru, https://orcid.org/0000-0001-6513-6767