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master's thesis
POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49
Rijeka: University of Rijeka, Faculty of Engineering, 2018. urn:nbn:hr:190:075755
Modrić, Šime
University of Rijeka
Faculty of Engineering

Cite this document

Modrić, Š. (2018). POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49 (Master's thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:075755

Modrić, Šime. "POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49." Master's thesis, University of Rijeka, Faculty of Engineering, 2018. https://urn.nsk.hr/urn:nbn:hr:190:075755

Modrić, Šime. "POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49." Master's thesis, University of Rijeka, Faculty of Engineering, 2018. https://urn.nsk.hr/urn:nbn:hr:190:075755

Modrić, Š. (2018). 'POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49', Master's thesis, University of Rijeka, Faculty of Engineering, accessed 18 April 2024, https://urn.nsk.hr/urn:nbn:hr:190:075755

Modrić Š. POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49 [Master's thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2018 [cited 2024 April 18] Available at: https://urn.nsk.hr/urn:nbn:hr:190:075755

Š. Modrić, "POSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49", Master's thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2018. Available at: https://urn.nsk.hr/urn:nbn:hr:190:075755

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Metadata
TitlePOSTUPAK TOPLINSKE OBRADE STROJNOG DIJELA SM.17-DT.49
AuthorŠime Modrić
MentorDario Iljkić (mentor)
Committee memberKristian Lenić (predsjednik povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
Rijeka
Defense date and country2018-03, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
Ovaj diplomski rad opisuje toplinsku obradu strojnog dijela SM.17-DT.49. Strojni dio koji je podvrgnut toplinskoj obradi izrađen je od čelika oznake C45E, koji je pogodan za indukcijsko kaljenje kao i za poboljšavanje. Prvo je izvedena toplinska obrada poboljšavanja kako bi se dobila jezgra koja će imati visoku granicu tečenja i visoku žilavost. Pošto se tvrdoća strojnog dijela tijekom postupka visokotemperaturnog popuštanja smanjila, pristupilo se indukcijskom kaljenju površine strojnog dijela. Indukcijskim kaljenjem postignuta je tvrda površina otpornija na trošenje, a jezgra strojnog dijela ostala je nepromijenjena tj. u jezgri imamo visoku granicu tečenja te visoku žilavost, a na površini tvrdu martenzitnu strukturu. Sa indukcijskim kaljenjem dobivena je tvrda površina strojnog dijela, zahtijevane tvrdoće od 58 HRC-a.
Abstract (english)
This graduate thesis describes the heat treatment of the machine part SM.17-DT.49. The machined section subjected to heat treatment is made of steel label C45E, which is suitable for induction hardening as well as for improvement. First, thermal improvement was performed to obtain a core that would have a high yield strength and high toughness. Since the hardness of the machine part during the high-temperature release process has diminished, the induction surface of the machine part surface was reached. Induction hardening has reached a hard surface that is resistant to wear and the core of the machine part remains unchanged, i.e. in the core we have a high yield strength and high toughness, and on the surface a hard martensitic structure. With induction hardening, a hard surface of the machine part was obtained, requiring a hardness of 58 HRC.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:190:075755
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 conditionsAccess restricted to students and staff of home institution
Terms of useLicence In copyright icon
RepositoryRepository of the University of Rijeka, Faculty of Engineering
Created on2018-04-16 08:02:24

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