PSI - Issue 18

Available online at www.sciencedirect.com Structural Int grity Procedia 00 (2019) 000–000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2019) 000–000 Available online at www.sciencedirect.com ScienceDirect

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Procedia Structural Integrity 18 (2019) 347–352

25th International Conference on Fracture and Structural Integrity Research of temperature aging effects on mechanical behaviour and properties of composite material by tensile tests with used system of registration acoustic emission signal Lobanov Dmitriy S. a , Zubova Ekaterina M. a * a Centre of Experimental Mechanics, Perm National Research Polytechni с University, 29 Komsomolsky AVE, Perm 614000, Russia Abstract The wide application of composite materials in various branches of industry is accompanied by an equally rapid development of technologies and the scientific and technical base for designing products from them. One of the most claimed classes of composites are polymer composite materials for structural purposes — as a rule, in the form textolites and laminates. Research and analysis of the effect of high and low (operational) temperatures on the mechanical properties and mechanisms of destruction of composites is an important task. It is necessary to pay special attention to the establishment of the strength and elastic properties temperature dependences of fiber composite materials, which used in critical structures. An important problem is the diagnosis and control of the temperature and climatic aging polymeric fiber composites at an early stage with the use of additional control systems. The aim of the study was an experimental assessment of temperature aging effects on mechanical behavior, residual strength and stiffness of structural polymeric composite materials. 25th International Conference on Fracture and Structural Integrity Research of temperature aging effects on mechanical behaviour and properties of composite material by tensile tests with used system of registration acoustic emission signal Lobanov Dmitriy S. a , Zubova Ekaterina M. a * a Centre of Experimental Mechanics, Perm National Research Polytechni с University, 29 Komsomolsky AVE, Perm 614000, Russia Abstract The wide application of composite materials in various branches of industry is accompanied by an equally rapid development of technologies and the scientific and technical base for designing products from them. One of the most claimed classes of composites are polymer composite materials for structural purposes — as a rule, in the form textolites and laminates. Research and analysis of the effect of high and low (operational) temperatures on the mechanical properties and mechanisms of destruction of composites is an important task. It is necessary to pay special attention to the establishment of the strength and elastic properties temperature dependences of fiber composite materials, which used in critical structures. An important problem is the diagnosis and control of the temperature and climatic aging poly eric fiber composites at an early stage with the use of additional control systems. The aim of the study was an experi ental assessment of temperature aging effects on mechanical behavior, residual strength and stiffness of structural polymeric composite materials.

© 2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. © 2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. © 2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. Keywords: thermo-oxidative aging, mechanical behavior, composite materials, acoustic emission. Keywords: thermo-oxidative aging, mechanical behavior, composite materials, acoustic emission.

1. Introduction Research and analysis of the effect of high and low (operational) temperatures on the mechanical properties and mechanisms of destruction of reinforcing and composite materials is a relevant area of research. An important task is to establish the temperature dependences of the elastic and strength properties of fiber composites used in critical 1. Introduction Research and analysis of the effect of high and low (operational) temperatures on the mechanical properties and mechanisms of destruction of reinforcing and composite materials is a relevant area of research. An important task is to establish the temperature dependences of the elastic and strength properties of fiber composites used in critical

2452-3216 © 2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. 2452-3216 © 2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. * Corresponding author. Tel.: +7-909-72-95-995; fax: +7-342-219-8732. E-mail address: cem.zubova@mail.ru * Corresponding author. Tel.: +7-909-72-95-995; fax: +7-342-219-8732. E-mail address: cem.zubova@mail.ru

2452-3216  2019 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Gruppo Italiano Frattura (IGF) ExCo. 10.1016/j.prostr.2019.08.174