Biocomposites based on a balsa wood core containing intermediate layers made of coconut and sisal

• Autorzy: Szatkowski Piotr , Chłopek Jan

Identyfikatory

DOI

10.12841/wood.1644-3985.320.03

• Języki publikacji: EN

Abstrakty

EN

Sandwich-type composite materials of various geometries were obtained, in which the inner layer was a laminate of glass fabric, and the core consisted of natural materials: balsa wood, coconut and sisal fibres. The materials were tested to determine the type of cracking process under static and dynamic stress conditions (impact strength). The best results were obtained for hybrid balsa/glass fabric composites with a spacer made of sisal mat. This type of system allows a controlled cracking process, which is a consequence of a different stress distribution. The research shows that the combination of different materials in a single composite, depending on their volume fraction, density and layering geometry, opens the way for use in technical constructions, especially where high specific strength is required. The work contains valuable results of research on sandwich materials, their behaviour under load, their modification, and their impact on the transfer of dynamic and static stresses. For the first time, a composition was tested containing a balsa tree core with transient elastic layers made of natural cellulose fibres.

Słowa kluczowe

EN

wood; cellulose; composites; biocomposites

• Wydawca: Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
• Czasopismo: Drewno : prace naukowe, doniesienia, komunikaty
• Rocznik: 2021
• Tom: vol. 64, nr 207
• Strony: 87--100
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Szatkowski Piotr

• Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Kraków, Poland

autor

Chłopek Jan

Bibliografia

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• List of standards
• PN88/C-89085/21:1988 Żywice epoksydowe – Metody badań. Oznaczanie szczytu temperaturowego (Epoxy resins – Test methods. Determination of the temperature peak
• PN-EN ISO 14130:2001 Kompozyty tworzywowe wzmocnione włóknem – Oznaczanie umownej wytrzymałości na ścinanie międzywarstwowe metodą krótkiej belki (Fibre-reinforced plastic composites – Determination of apparent interlaminar shear strength by short-beam method

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).