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Title:Preiskava zvarnih spojev v podjetju Palfinger d.d.
Authors:ID Šlamberger, Jernej (Author)
ID Zupanič, Franc (Mentor) More about this mentor... New window
ID Vuherer, Tomaž (Comentor)
Files:.pdf VS_Slamberger_Jernej_2014.pdf (7,67 MB)
MD5: BD628CB9299C83FE09D0AD87E08C91C1
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V diplomskem delu smo s porušno preiskavo analizirali zvarne spoje stebra žerjava podjetja Palfinger d.d.. Določili smo zvarne spoje, ki so najbolj obremenjeni, jih izrezali iz zvarjenca in metalografsko pripravili za makroskopsko in mikroskopsko analizo. Na nekaterih vzorcih smo preverjali trdoto. Pri preiskavi zvarnih spojev niso bile najdene kritične napake. Našli smo majhne pore in manjše zlepe. Trdote so sicer nekoliko presegale predpisane vrednosti, vendar še ni bilo kritično. Glavna poglavja v teoretičnem delu diplome so: MAG - varjenje, konstrukcijska jekla, napake zvarnih spojev, postopek metalografske priprave vzorcev, merjenje trdote po Vickersu in mikrostruktura zvara.
Keywords:MAG – varjenje, napake zvarnih spojev, konstrukcijska jekla, metalografska priprava vzorcev, trdota po Vickersu, mikrostruktura zvara
Place of publishing:Maribor
Publisher:[J. Šlamberger]
Year of publishing:2014
PID:20.500.12556/DKUM-43852 New window
UDC:620.18:621.791.053(043.2)
COBISS.SI-ID:18051350 New window
NUK URN:URN:SI:UM:DK:WSAKP6Z5
Publication date in DKUM:17.06.2014
Views:2011
Downloads:412
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Examination of weld joints in Palfinger d.d.
Abstract:The aim of this thesis was to analyze the welded joints in pillars of Palfinger’s crane using the destructive testing. The testing revealed the most burdened welded joints, which were cut out of the workpiece and prepared for metallographic macroscopic and microscopic analysis. Some of the samples were also tested for hardness. The analysis of welded joints showed no vital errors, although several minor pores and incomplete fusions were found. The surpassed measured thickness was not critical. Main topics in the theoretical part of the thesis are: MAG – welding, constructional steel, errors of welded joints, metallographic sample preparation, Vickers hardness and microstructure of weld.
Keywords:MAG – welding, errors of weld joints, constructional steel, metallographic sample preparation, Vickers hardness, microstructure of weld


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