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undergraduate thesis
Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije
Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2024. urn:nbn:hr:235:571189
Pavković, Karlo
University of Zagreb
Faculty of Mechanical Engineering and Naval Architecture
Department of Materials

Institutional repository: Repository of Faculty of Mechanical Engineering and Naval Architecture University of Zagreb

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Pavković, K. (2024). Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije (Undergraduate thesis). Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:235:571189

Pavković, Karlo. "Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije." Undergraduate thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2024. https://urn.nsk.hr/urn:nbn:hr:235:571189

Pavković, Karlo. "Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije." Undergraduate thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2024. https://urn.nsk.hr/urn:nbn:hr:235:571189

Pavković, K. (2024). 'Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije', Undergraduate thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, accessed 18 February 2025, https://urn.nsk.hr/urn:nbn:hr:235:571189

Pavković K. Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije [Undergraduate thesis]. Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture; 2024 [cited 2025 February 18] Available at: https://urn.nsk.hr/urn:nbn:hr:235:571189

K. Pavković, "Zahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije", Undergraduate thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Zagreb, 2024. Available at: https://urn.nsk.hr/urn:nbn:hr:235:571189

Metadata
TitleZahtjevi pri izboru materijala za potrošne dijelove građevinske mehanizacije
Title (english)Requirements in the materilas selection for construction machinery wear parts
AuthorKarlo Pavković
MentorIrena Žmak (mentor)
GranterUniversity of Zagreb
Faculty of Mechanical Engineering and Naval Architecture
(Department of Materials)
Zagreb
Defense date and country2024-09-26, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Production Mechanical Engineering
Abstract
U početnom dijelu ovog završnog rada nabrojane su i opisane funkcije postojećih osnovnih vrsta građevinske mehanizacije. Kao najvažniji građevinski stroj istaknut je bager, te su opisane sve vrste i podvrste bagera. Detaljno su opisani dijelovi, princip rada, opterećenje i uvjeti rada hidrauličnih bagera, koji su najvažnija vrsta bagera zbog svoje široke primjene i mnogobrojnih funkcija. Analizirani su zahtjevi pri izboru materijala za zube koji se nalaze na lopati bagera. Za odabrani potrošni dio bagera provedena je analiza kroz osnovne skupine kriterija za izbor materijala prilikom razvoj proizvoda, te su utvrđena potrebna svojstva koja se nameću na odabrani materijal. U eksperimentalnom dijelu rada provedeno je ispitivanje kemijskog sastava jednog novog i jednog potrošenog zuba lopate rendgenskom fluorescencijskom spektroskopijom (XRF metoda) i laserski induciranom probojnom spektroskopijom (LIBS metoda). Dobivenim rezultatima utvrđeno je da su zubi izrađeni od niskolegiranog čelika sa srednjim ili niskim sadržajem ugljika. Niskolegirani čelik posjeduje svojstva kojima zadovoljava nametnute zahtjeve, stoga je dovoljno prikladan, a ekonomičan izbor materijala.
Abstract (english)
In the introductory part of this Bachelor thesis, the functions of various basic types of construction machinery are outlined and described. The excavator is highlighted as the most important construction machine, with a detailed description of its types and subtypes. The Bachelor thesis thoroughly explains the components, working principle, loads and operating conditions of hydraulic excavators, which are the most important type of excavator due to their wide application and numerous functions. The requirements for selecting materials for the teeth of the excavator bucket are analyzed. An analysis was performed on a chosen wearable part of the excavator through basic groups of criteria used for material selection during product development, and the necessary properties for the chosen material were determined. In the experimental part of the work, the chemical composition of one new, and one used bucket tooth was examined using X-ray fluorescence spectroscopy (XRF) and laser-induced breakdown spectroscopy (LIBS). The results revealed that the teeth are made from low-alloy steel with medium or low carbon content. Low-alloy steel possesses the properties required to meet the imposed demands, making it a sufficiently suitable and economical material choice.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:235:571189
Study programmeTitle: Mechanical Engineering
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2024-09-23 07:42:58