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Title:Behaviour of coarse grain heat affected zone (HAZ) during cycle loading
Authors:Vuherer, Tomaž (Author)
Maruščak, P. O. (Author)
Samardžić, Ivan (Author)
Files:.pdf RAZ_Vuherer_Tomaz_i2012.pdf (359,02 KB)
MD5: DD34859E66EDB2504443F6CEDC417892
URL http://hrcak.srce.hr/80847
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:This paper presents results of a study on martensitic coarse grain heat affected zone that can appear in welded joints. Mechanical properties of martensitic coarse grain heat affected zone and its microstructure were investigated. Special attention was given to its behaviour during the cycle loading under stress concentration. Stress concentration was similar to the one in real welds. The S-N curve and the fatigue limit were determined. The Paris curve and the threshold for crack propagating were also determined.
Keywords:welded joints, coarse grain HAZ, microstructure, fatigue limit, Paris curve
Year of publishing:2012
Number of pages:str. 301-304
Numbering:št. 3, Letn. 51
ISSN on article:1334-2576
COBISS_ID:15989526 New window
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Record is a part of a journal

Publisher:Hrvatsko metalurško društvo
COBISS.SI-ID:524301593 New window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
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:01.06.2012

Secondary language

Title:Ponašanje grubozrne zone utjecaja topline (ZUT) zavara tijekom cikličkog opterećenja
Abstract:U radu se istražuje martenzitna grubozrnata zona utjecaja topline koja se može pojaviti pri zavarivanju. Istražena su mehanička svojstva i mikrostruktura ove zone. Posebna je pažnja posvećena njenom ponašanju tijekom cikličkog opterećenja kada je prisutna koncentracija naprezanja. Koncentracija naprezanja je slična onoj kod realnog zavarivanja. Određena je S-N krivulja i granica umaranja. Također je određena i Parisova krivulja i prag propagacije pukotine.
Keywords:zvarni spoji, rast zrn, mikrostruktura, mehanske lastnosti, meja tečenja, Parisova krivulja, zaostale napetosti


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