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Title:Sprememba hrapavosti površine v odvisnosti od števila obremenitvenih ciklov
Authors:ID Ramšak, Boštjan (Author)
ID Gubeljak, Nenad (Mentor) More about this mentor... New window
ID Predan, Jožef (Comentor)
Files:.pdf VS_Ramsak_Bostjan_2014.pdf (3,32 MB)
MD5: F0551CB6B5047D2442B0B0531DA88728
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Pri utrujanju materiala s časovno spreminjajočo napetostjo se inicirajo razpoke na površini materiala, te razpoke pa lahko zaznamo tudi kot spremembo hrapavosti površine. V diplomski nalogi je predstavljena analiza spremembe hrapavosti površine v odvisnosti od števila ciklov med ekscentričnem upogibanjem nerjavnega jekla, ki je namenjeno za izdelavo tlačnih posod. Pri eksperimentu smo za utrujanje uporabljali univerzalni preizkuševalni stroj INSTRON 1255, za merjenje hrapavosti pa kontaktni merilnik Tesa RUGOSURF 10G.
Keywords:hrapavost, merjenje hrapavosti, iniciacija razpoke, eksperimentalno preizkušanje, utrujanje
Place of publishing:Maribor
Publisher:[B. Ramšak]
Year of publishing:2014
PID:20.500.12556/DKUM-46776 New window
UDC:620.178.3:620.191.35(043.2)
COBISS.SI-ID:18457366 New window
NUK URN:URN:SI:UM:DK:L1QZO3DB
Publication date in DKUM:11.12.2014
Views:2773
Downloads:233
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Change of surface roughness, depending on the number of loading cycles
Abstract:During fatigue of material by time-Varying tension, the cracks start to initiate on the surface of material, this cracks can be detected as a change of surface roughness. In the thesis is introduced an analyse of changed surface roughness, depending on the number of loading cycles during eccentrical bending of stainless steel, which is intended for the manufacturing preassure containers. On experiment we used universal testing machine INSTRON 1255 for a fatigue and Tesa RUGOSURF 10G surface roughness gage.
Keywords:roughness, measuring of roughness, crack initiation, experimental testing, fatigue


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