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Title:Experimental determination of fatigue parameters of high chromium steel under different loading and temperature conditions
Authors:ID Drobne, Matej (Author)
ID Gubeljak, Nenad (Author)
ID Glodež, Srečko (Author)
Files:.pdf Tehnicki_vjesnik_2014_Drobne,_Gubeljak,_Glodez_Experimental_determination_of_fatigue_parameters_of_high_chromium_steel_under_different_l.pdf (2,88 MB)
MD5: 6E64D43D6499C2F4DCCBAD05CF27B74B
PID: 20.500.12556/dkum/b8c89bd7-2dc6-4a8d-9d59-7a27d0137fc1
 
URL http://hrcak.srce.hr/126081
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Fatigue investigation of high chromium steel (HCS) at different loading ratios (R = 0, R = -1) and different temperatures (20 °C, 600 °C) is presented in this paper. Before fatigue testing, monotonic mechanical properties (ultimate compressive and ultimate tensile strength) are determined at different temperatures, using standardized testing procedures according to DIN 50125 standard. Moreover Charpy impact tests at different temperatures were done with specimens that comply with the standard ISO 14556. Fatigue testing is performed on a servo - hydraulic testing machine with consideration of different loading conditions as described above. On the basis of the experimental results the S - N curves are constructed from which typical fatigue parameters (the fatigue strength coefficient 0'f and the fatigue strength exponent b) are determined. After fatigue testing a comprehensive investigation of fracture surfaces is performed using the Scanning Electron Microscope (SEM). Experimental results presented in this paper will serve as a basis for further investigations related to fatigue behaviour of real working rolls in hot strip mills made of HCS.
Keywords:experiments, high chromium steel, high cycle fatigue, fracture mechanics
Publication status:Published
Publication version:Version of Record
Year of publishing:2014
Number of pages:str. 853-860
Numbering:Letn. 21, št. 4
PID:20.500.12556/DKUM-66812 New window
ISSN:1330-3651
UDC:620.172.25:669.15'26
ISSN on article:1330-3651
COBISS.SI-ID:18061590 New window
NUK URN:URN:SI:UM:DK:RUKCQFK6
Publication date in DKUM:12.07.2017
Views:1188
Downloads:136
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
DROBNE, Matej, GUBELJAK, Nenad and GLODEŽ, Srečko, 2014, Experimental determination of fatigue parameters of high chromium steel under different loading and temperature conditions. Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku [online]. 2014. Vol. 21, no. 4, p. 853–860. [Accessed 29 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=66812
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Record is a part of a journal

Title:Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku
Shortened title:Teh. vjesn. - Stroj. fak.
Publisher:Strojarski fakultet, Elektrotehnički fakultet, Građevinski fakultet
ISSN:1330-3651
COBISS.SI-ID:15346181 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:12.07.2017

Secondary language

Language:Croatian
Title:Eksperimentalno određivanje parametara zamornog ponašanja visokokromnog lijevanog čelika pri različitim režimima opterećivanja i temperature
Abstract:U članku je razmatrano zamorno ponašanje visokokromnog lijevanog čelika za dva omjera minimalnog i maksimalnog opterećenja (R = 0, R = –1) te na dvije temperature ispitivanja (+20 °C, +600 °C). Mehaničke karakteristike materijala na vlak i tlak su određene za obje temperature na standardnim epruvetama u skladu s DIN 50125 standardom. Isto tako Charpy ispitivanja udarne žilavosti na različitim temperaturama urađene su u skladu s ISO 14556 standardom. Zamorna ispitivanja izvedena su na servohidrauličkoj kidalici za oba omjera opterećenja. Na osnovu eksperimentalnih rezultata dobivene su S – N krivulje s tipičnim parametrima zamaranja (koeficijent σf’ i eksponent zamorne čvrstoće b). Nakon zamornih ispitivanja na karateristike na tlak obavljen je pregled prijelomne površine pomoću elektronskog mikroskopa. Eksperimentalni rezultati predstavljeni u ovom radu su osnova za daljna istraživanja zamornog ponašanja valjaka iz HCS materijala za vruće valjanje čelika.
Keywords:eksperimenti, visoko legirano kromovo jeklo, visokociklično utrujanje, mehanika loma


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