Tests of acoustic insulation of multilayer composite modified with rubber recyclate

• Autorzy: Abramczyk Norbert , Żuk Daria , Jakubowski Piotr

Identyfikatory

DOI

10.21008/j.0860-6897.2024.1.04

• Języki publikacji: EN

Abstrakty

EN

The paper presents acoustic studies of a multilayer composite made based on Synolite 1967-G-1 polyester resin and glass fabric with a three-way arrangement of +/-45° fibres, Triaxial type and a weight of 860 g/m2. As an addition, rubber recyclate created in the process of disposal of car tires was used. The material was made using the vacuum infusion method. By the vacuum lamination method, composite materials were produced in the form of plates with the addition of rubber recyclate in four variants of the amount of recyclate used in the produced composite - 20%, 30%, 40% and 50%. Each variant contained 6 layers of fabric and five layers of rubber recyclate. The samples were tested in the vibroacoustic laboratory on a dedicated measuring station of a set of reverberation chambers without flanking transmission, in which the specific acoustic insulation Rw was determined following PN-EN ISO 10140-2 and related standards, i.e. PN-EN ISO 10140-1, PN-EN ISO 10140-2, PN-EN ISO 10140-4, PN-EN ISO 10140-5 and PN EN ISO 717-1. All manufactured variants of the composite material with the addition of rubber recyclate were characterized by acoustic insulation in the range of Rw = (30.0 ÷ 35.7) dB. High sound insulation parameters for tested panels up to 12 mm thick act as a barrier to counteracting the spread of unwanted airborne noise. Combined with good mechanical properties such as tensile strength, toughness and hardness, they form the basis for the easy design of all shields in many industries. The use of rubber recyclate obtained in the process of disposal of car tires has a positive impact on improving environmental protection.

Słowa kluczowe

EN

acoustic insulation; polyester-glass composites; rubber recyclate

PL

izolacja akustyczna; kompozyty poliestrowo-szklane; recyklat gumowy

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2024
• Tom: Vol. 35, nr 1
• Strony: art. no. 2024104
• Opis fizyczny: Bibliogr. 18 poz., fot. kolor., wykr.

Twórcy

autor

Abramczyk Norbert

• Faculty of Mechanical Engineering, Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland

• https://orcid.org/0000-0003-4556-7994

autor

Żuk Daria

• Faculty of Mechanical Engineering, Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland

• https://orcid.org/0000-0002-0810-0626

autor

Jakubowski Piotr

• Maritime Advanced Research Centre CTO S.A. Environmental Laboratories Division, The Vibroacoustic Laboratory, 65 Szczecińska Str., 80-392 Gdańsk, Poland

• https://orcid.org/0000-0001-9927-202X

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).