Possibilities of application of composite materials in making of RITEH RACING TEAM car

Cilj ovog rada bio je pružiti korisne informacije o kompozitnim materijalima i odabiru materijala za izradu automobilske šasije ojačane ugljičnim vlaknima. Ta su područja detaljno istražena u Formula Student projektu Tehničkog fakulteta u Rijeci, a rezultati su sažeti u ovom odjeljku. Šasija je središnji element trkaćeg automobila i stoga je od velikog značaja. Sve komponente su pričvršćene na šasiju i podvrgnute su različitim opterećenjima. Masa šasije i način na koji ona apsorbira i prenosi sva opterećenja igraju značajnu ulogu u njenoj izvedbi. Najveća prednost odabira monocoque šasije od ugljičnih vlakana preko čeličnog okvira je smanjenje mase. Također se može primijetiti povećana torzijska krutost, iako je krutost šasije sa čeličnim okvirom već odgovarajuća. Isto tako, primijećeno je da se torzijska krutost linearno povećava s povećanjem debljine jezgre sendvič strukture, a i s brojem njegovih slojeva. Dizajn i izrada šasije često je jedan od najkompliciranijih dijelova Formula Student projekta. Nadamo se da će rezultati ovog projekta doprinijeti naprednijem dizajnu šasije i snažnim performansama iste u nadolazećim godinama. Realno je predviđati da će se kompozitni materijali sve više koristiti u budućnosti u skoro svim industrijama. Kako je već spomenuto, kompozitni materijali pružaju performanse koje materijali sami nikada ne mogu pružiti.The goal of this bachelor thessis was to provide useful information about composite materials and the selection of materials for making carbon fiber car chassis. These areas have been explored in detail during The Formula Student Project on Faculty of Engineering in Rijeka and the results are summarized in this section. The chassis is the central element of the race car and how it performs is of great significance. All components are conected to the chassis, and it is subjected to a variety of loads. The weight of the chassis and the manner in which it absorbs and transfers these loads play a significant role in its performance. The biggest benefit of choosing a carbon fibre sandwich monocoque chassis over a steel space frame is in weight reduction. Increased torsional stiffness can also be observed, though the stiffness of a steel space frame chassis is adequate. It has also been observed that the torsional stiffness increases linearly with both increased sandwich core thickness and the number of plies. Chassis design and manufacture is often one of the most complex pars of a Formula Student project. Hopefully the findings of this project will contribute towards efficient chassis design and strong performance, for carbon fiber chassis in the upcoming years. We believe that composite materials will increasingly be used in the future in almost all industries. As it has already mentioned, composite materials offer performance that rarely provide materials themselves