Tensile, Flexual, Impact and Water Absorption Properties of Natural Fibre Reinforced Polyester Hybrid Composites

• Autorzy: Prasanna Venkatesh R. , Ramanathan K. , Srinivasa Raman V.

Identyfikatory

DOI

10.5604/12303666.1196617

Warianty tytułu

PL

Właściwości wytrzymałościowe na rozciąganie, gięcie i uderzenie oraz absorpcja wody poliestrowych hybrydowych kompozytów wzmacnianych włóknami naturalnymi

• Języki publikacji: EN

Abstrakty

EN

In this paper, tensile, flexural, impact properties and water absorption tests were carried out using sisal/unsaturated polyester composite material. Initially the optimum fibre length and weight percentage are estimated. To improve the tensile, flexural and impact properties, sisal fibre was hybridised with bamboo fibre. This work shows that the addition of bamboo fibre in sisal/ unsaturated polyester composites of up to 50% by weight results in increasing the mechanical properties and decreasing the moisture absorption property. In this research work, the effects of fibre treatment and concentration on the mechanical properties of a short natural fibre reinforced polyester hybrid composite are investigated. The fibres were subjected to 10% sodium hydroxide solution treatment for 24 h. The mechanical properties of composites with treated fibres are compared with untreated fibre composites. The fractured surface of the treated fibre composite specimen was studied using Scanning Electron Microscopy (SEM).The treated hybrid composite was compared with an untreated hybrid composite, with the former showing a 30% increase in tensile strength, 27.4% - in flexural strength, and 36.9% - in impact strength, along with an extreme decrease in moisture absorption behaviour.

PL

Badania przeprowadzono stosując kompozyty sizal/poliester i sizal/nienasyconą żywicę poliestrową. Początkowo określono optymalną długość włókien oraz udział procentowy masy w materiale kompozytowym. Dla polepszenia właściwości mechanicznych do włókien sizalowych dodawano włókna bambusowe aż do 50% wagowych. Stwierdzono polepszenie właściwości mechanicznych i, co jest bardzo ważne, zmniejszenie absorpcji wilgoci. Włókna poddawano działaniu 10% roztworu wodorotlenku sodu przez 24h. Badano kompozyty niemodyfikowane i modyfikowana zwracając szczególną uwagę na przełomy obserwowane za pomocą SEM. Stwierdzono polepszenie właściwości mechanicznych hybrydowych kompozytów poddanych modyfikacji, przy czym wytrzymałość na rozciąganie zwiększyła się o 30%, na zginanie 27,4% a wytrzymałość na uderzenia o 36,9%, a jednoczenie absorpcja wody zmniejszyła się znacznie

Słowa kluczowe

EN

hybrid composites; sisal fibre; bamboo fibre; unsaturated polyester resin; alkali treatment

PL

kompozyty hybrydowe; włókno sizalowe; włókna bambusowe; nienasycone żywice poliestrowe

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2016
• Tom: Vol. 24, no. 3 (117)
• Strony: 90--94
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Prasanna Venkatesh R.

• Department of Automobile Engineering, SACS MAVMM Engineering College, Madurai, India

autor

Ramanathan K.

• Department of Mechanical Engineering, A. C. College of Engineering and Technology, Karakudi, India

autor

Srinivasa Raman V.

• Department of Mechanical Engineering, RVS College of Engineering and Technology, Dindigul, India

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.