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master's thesis
Erozijska otpornost tvrdih metala
Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. urn:nbn:hr:235:936969
Oršanić, Nikola
University of Zagreb
Faculty of Mechanical Engineering and Naval Architecture

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

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Oršanić, N. (2019). Erozijska otpornost tvrdih metala (Master's thesis). Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:235:936969

Oršanić, Nikola. "Erozijska otpornost tvrdih metala." Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. https://urn.nsk.hr/urn:nbn:hr:235:936969

Oršanić, Nikola. "Erozijska otpornost tvrdih metala." Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. https://urn.nsk.hr/urn:nbn:hr:235:936969

Oršanić, N. (2019). 'Erozijska otpornost tvrdih metala', Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, accessed 20 December 2024, https://urn.nsk.hr/urn:nbn:hr:235:936969

Oršanić N. Erozijska otpornost tvrdih metala [Master's thesis]. Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture; 2019 [cited 2024 December 20] Available at: https://urn.nsk.hr/urn:nbn:hr:235:936969

N. Oršanić, "Erozijska otpornost tvrdih metala", Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Zagreb, 2019. Available at: https://urn.nsk.hr/urn:nbn:hr:235:936969

Metadata
TitleErozijska otpornost tvrdih metala
Title (english)The erosion resistance of cemented carbides
AuthorNikola Oršanić
MentorDanko Ćorić (mentor)
GranterUniversity of Zagreb
Faculty of Mechanical Engineering and Naval Architecture
Zagreb
Defense date and country2019-12-05, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
Erozija je vrlo česta pojava koja se susreće u svakom tribosustavu gdje postoji određena interakcija između čestica i čvrstog tijela pri brzinama većim od 1 m/s. Mnogi dijelovi u strojarstvu, prilikom svoga rada, izloženi su erozijskom trošenju, a kada je riječ o tvrdom metalu na njega se može utjecati reguliranjem veličina zrna karbidne faze te sadržajem veziva. U radu se opisuje postupak ispitivanja otpornosti na erozijsko trošenje tvrdih metala s 10% i 15% Co na uređaju kod kojeg erodent u obliku kvarcnog pijeska (SiO_2) te sačme slobodnim padom prolazi kroz sapnicu te pada na uzorak koji se rotira. Nanostrukturirani tvrdi metali podvrgnuti su erozijskom trošenju pod kutovima od 15°, 30°, 45°, 60°, 75° i 90°. Ukupno vrijeme ispitivanja je 60 minuta te se prati progresija erozijskog trošenja nakon svakih 15 minuta.
Abstract (english)
Erosion is a real occurrence seen in every tribo-system where interaction between solid particles and a solid body has a speed greater than 1 m/s. Many parts in mechanical engineering in their work are exposed to erosion wear, and when it comes to hard metals, it can be affected by regulating the grain sizes of the carbide phase and the content of the binder. This paper describes the process of testing erosion wear resistance of hard metal with 10% and 15% Co. The test is performed on a special device where the erodent SiO2 and steel balls, flows in free fall through the system and strikes the rotating samples. Nanostructured hard metals were subject to erosion wear at angles of 15°, 30°, 45°, 60°, 75° i 90°. The total test time is 60 minutes and the progression of erosion wear is monitored after every 15 minutes.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:235:936969
Study programmeTitle: Mechanical Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2019-11-27 19:29:13