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A study on mechanical and wear behaviour of graphite filled sisal-glass-epoxy hybrid composites

Suresh Kumar Devendrappa, Sanjeevamurthy, Mallesh Goud, Pavankumar Ravikumar, Vasanth Kumar Hasthinapura Seena Naik

Composites Theory and Practice

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2022

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R. 22, nr 2

106--113

EN

In recent years, advancements in development of composite materials can be distinctively observed and taking ecological factors into account, researchers are currently working on the development of natural fibre composites for various applications. The current work concentrates on assessment of the mechanical and wear characteristics of sisal-glass (natural and synthetic) epoxy hybrid graphite filled composites. A comparative characteristic study was performed in the study between synthetic (glass) and natural (sisal) FRP composites and it was found that graphite filled FRP composites exhibit excellent tensile properties, flexural modulus enhanced by 35.2%, the hardness and impact strength were improved with the addition of graphite filler. Statistical analysis was conducted using the design of experiments with the help of ANOVA software. From the tribology tests, it was noticed that the COF and wear loss of the composites with the natural reinforcement are comparatively higher than that of the synthetic fibre. It is evident from ANOVA and regression analysis that the reinforcement has 57.99% influence on the wear rate. Due to increased environmental consequences, natural FRP composites are recommended to be used in as automotive brake friction material and aerospace body parts.

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Niedrzewne roślinne surowce włókniste stosowane współcześnie do produkcji przemysłowej papieru. Cz. 3, Włókna z liści sizalu, abaki, juki, lnu nowozelandzkiego i inne surowce roślinne niedrzewne stosowane w przemyśle celulozowo-papierniczym

Jakucewicz Stefan

Przegląd Papierniczy

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2020

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R. 76, nr 11

621--625

PL

Niniejszy artykuł stanowi kontynuację przeglądu niedrzewnych surowców włóknistych [7, 8], w którym przedstawia się fizyczne i chemiczne ich charakterystyki, obszary występowania i specyfikę. W tej części omówiono sizal, abakę, jukę, len nowozelandzki oraz inne niedrzewne surowce roślinne wykorzystywane w przemyśle celulozowo-papierniczym (jak słonecznik, chmiel, sorgo, tytoń), a także nietypowe surowce roślinne (np. łęciny kartoflane, wysłodki z buraków cukrowych, trawy, wytłoki jabłkowe i inne).

EN

This article is the continuation of the survey of the fibrous raw materials from non-wood plants [7, 8]. In this part the sisal, abaca, yucca, New Zealand flax and other non-wood plant raw materials used in pulp and paper industry are presented. Their physical and chemical characteristics is discussed, the availability and specificity are presented as well.

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Development of Electroless Ni-P Coatings on Sisal Fiber

Hemachandran R., Pugazhvadivu M., Jayabal S.

Fibres & Textiles in Eastern Europe

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2017

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Vol. 25, no. 1 (121)

32--35

EN

Improving the properties of natural fibers can be interesting from a technological point of view. Modifications can result in a high specific strength, electromagnetic interference (EMI) shielding, antistatic brush etc. Plant fiber composites would make them an option for use in components such as rifle stocks and knife handles etc. The greatest challenge would be to ensure that the components are all weather capable, but today several materials exist that have a high moisture tolerance. Moreover with proper surface coating techniques, most natural fibers materials can be toughened up to use as reinforcement. An attempt was made using a proprietary experimental set-up to coat natural fiber with electroless nickel phosphorus (ENi-P), since sisal fiber is a non-conducting material. In this article the surface morphology, ingredients and cross-section images of the modified natural fibers were characterised by a scanning electron microscope equipped with EDAX.

PL

Poprawa właściwości włókien naturalnych jest interesująca z technologicznego punktu widzenia. Wynikiem modyfikacji może być wysoka wytrzymałość, poprawa ekranowania pól elektromagnetycznych (EMI), poprawa właściwości antystatycznych itp. Powłoki niklowo-fosforowe na włóknach roślinnych umożliwiają wytworzenie różnego rodzaju kompozytów, min. o powierzchni odpornej na wilgoć. Morfologia powierzchni kompozytów była badana za pomocą SEM-EDAX.