THE INFLUENCE OF MATERIAL TYPES ON TWIST ANGLES AND TORSION STABILITY OF A COMPOSITE SHAFT
The advantages of composite materials over the conventional ones include the ability to vary their properties in order to ensure the best combination for each application. This is achieved through selection of their constituent materials, quantities, distribution and fibre orientation angle. In some...
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Veröffentlicht in: | Tehnički vjesnik 2014-10, Vol.21 (5), p.917-923 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The advantages of composite materials over the conventional ones include the ability to vary their properties in order to ensure the best combination for each application. This is achieved through selection of their constituent materials, quantities, distribution and fibre orientation angle. In some cases, the best results can be achieved by using a combination of composite and traditional metal materials. This paper analyses shafts made from a combination of aluminium and different composite materials - carbon fibre/epoxy, glass fibre/epoxy, and aramid fibre/epoxy. The influence of these materials on twist angle values and critical torques that impair the shaft stability has also been discussed. Finally, an experimental analysis of the shaft that exhibited the best properties (carbon fibres/epoxy) has been performed.Original Abstract: Prednost primjene kompozitnih materijala, u odnosu na konvencionalne materijale, ogleda se u mogucnosti sirokog variranja prakticno svih svojstava materijala od kojih su sastavljeni, sto se postize putem izbora sastavnih komponenata, njihove kolicine, rasporeda i orijentacije u okviru materijala, a s ciljem da se iskoriste njihova najbolja svojstva. U nekim slucajevima najbolji rezultati mogu biti postignuti uporabom kombinacije kompozita i tradicionalnih metalnih materijala. U radu su analizirana vratila dobivena kombinacijom aluminija s razlicitim kompozitnim materijalima - karbonska vlakna/epoksi smola, staklena vlakna/epoksi smola, aramidna vlakna/epoksi smola. Razmatran je njihov utjecaj na vrijednosti kutova uvijanja i kriticne vrijednosti momenta uvijanja koje dovode do gubitka stabilnosti vratila. Provedena je i eksperimentalna analiza vratila koje je pokazalo najbolja svojstva (karbonska vlakna/epoksi smola). |
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ISSN: | 1330-3651 1848-6339 |