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undergraduate thesis
Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09
2020. urn:nbn:hr:190:327691
Justić, Dorijan
University of Rijeka
Faculty of Engineering
Department of Materials Science and Engineering
Section of Materials Engineering

Cite this document

Justić, D. (2020). Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09 (Undergraduate thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:327691

Justić, Dorijan. "Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09." Undergraduate thesis, University of Rijeka, Faculty of Engineering, 2020. https://urn.nsk.hr/urn:nbn:hr:190:327691

Justić, Dorijan. "Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09." Undergraduate thesis, University of Rijeka, Faculty of Engineering, 2020. https://urn.nsk.hr/urn:nbn:hr:190:327691

Justić, D. (2020). 'Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09', Undergraduate thesis, University of Rijeka, Faculty of Engineering, accessed 15 May 2024, https://urn.nsk.hr/urn:nbn:hr:190:327691

Justić D. Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09 [Undergraduate thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2020 [cited 2024 May 15] Available at: https://urn.nsk.hr/urn:nbn:hr:190:327691

D. Justić, "Procjena dubine prokaljivanja strojnog dijela DJ.19-PP.09", Undergraduate thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2020. Available at: https://urn.nsk.hr/urn:nbn:hr:190:327691

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Metadata
TitleProcjena dubine prokaljivanja strojnog dijela DJ.19-PP.09
Title (english)Estimation of hardening depth of workpiece DJ.19-PP.09
AuthorDorijan Justić
MentorDario Iljkić (mentor)
Committee memberKristian Lenić (predsjednik povjerenstva)
Committee memberDario Iljkić (član povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
(Department of Materials Science and Engineering)
(Section of Materials Engineering)
Rijeka
Defense date and country2020-09-15, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
Tema ovog završnog rada je procjena dubine prokaljivanja definiranog strojnog dijela ''DJ.19-PP.09''. Rad je podijeljen u dva dijela. Prvi dio je teorijski te definira toplinsku obradu i ukratko opisuje neke od osnovnih metoda toplinske obrade. Zatim su opisane fazne pretvorbe čelika i njegova mehanička svojstva koja je bitno poznavati kako bi čelik mogli obrađivati. Nakon toga se detaljno opisuje kaljenje te su objašnjeni razni postupci kaljenja čelika. Definirano je svojstvo prokaljivosti te metode kojima se prokaljivost može procjeniti. Teorijski dio završava navođenjem nekoliko metoda za ispitivanje tvrdoće materijala. Drugi dio rada je praktični dio gdje se definirani pojmovi iz teorijskog dijela koriste kako bi se zadanom strojnom dijelu procjenila dubina prokaljivanja. Strojni dio je legura kroma, nikla i molibdena (36 CrNiMo 4) čije su karakteristike ukratko opisane, nakon čega je procjena izvedena pomoću Jominyjeve krivulje i Crafts-Lamont dijagrama.
Abstract (english)
The topic of this Bachelor’s thesis is an estimation of the depth of hardenability for a defined machine part ''DJ.19-PP.09'' The thesis is divided into two parts. The first part is theoretical and defines thermal processing in general, while also describing some basic methods of thermal processing of materials. Furthermore, phase transformations of steel and its mechanical properties are described, which are of key importance to steel processing. The process of hardening and different methods of hardening are then explained in great detail. Moreover, the process of hardenability of steel is defined as well as the methods with which it can be estimated. Theoretical part ends by listing several methods of testing the hardness of different materials. The second part of the thesis is practical and uses previously defined elements to experimentally estimate the hardenability of a defined machine part. The machine part itself is a chrome nickel molybdenium steel alloy (36 CrNiMo 4) whose characteristics are briefly defined. Lastly, the experiment of estimation was conducted using Jominy's curve and Crafts-Lamont diagrams.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:190:327691
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 conditionsAccess restricted to students and staff of home institution
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Created on2021-10-01 06:47:47