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Title:The effect of small flaws on the fatigue strength of HAZ at the weld toe
Authors:ID Gliha, Vladimir (Author)
Files:URL http://dx.doi.org/10.1504/IJMPT.2007.013127
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The effects of small artificial surface flaws on the fatigue strength of HAZ material are studied. The samples of coarse grain HAZ material were prepared using a welding thermal-cycle simulator. The artificial flaws were produced byindenting with a Vickers pyramid at different loads as either single indentations or as a series. The size of the flaws did not exceed the primary austenitic grain size of the material, which is the most relevant microstructural unit of carbon steels. The dependence of the experimentally determined bending fatigue strength of treated coarse grain HAZ materials on the properly evaluated size of the artificial flaws was compared with the law of long-crack propagation. The biggest flaws evaluated with the flaw-size parameter ?area ? 100 m are still small for the studied coarse grain HAZ. In further experimental work, the effects of flaw size and the effects of residual stresses should be analysed separately.
Keywords:welding, welded joints, coarse grained HAZ, crack initiation, flaw-size parameter, small surface flaws, stress intensity range, Vickers indentation, weld toe
Year of publishing:2007
PID:20.500.12556/DKUM-25919 New window
UDC:621.791.05:539.4
ISSN on article:0268-1900
COBISS.SI-ID:11337494 New window
NUK URN:URN:SI:UM:DK:EA9CVHEP
Publication date in DKUM:31.05.2012
Views:2039
Downloads:124
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
GLIHA, Vladimir, 2007, The effect of small flaws on the fatigue strength of HAZ at the weld toe. International journal of materials & product technology [online]. 2007. [Accessed 1 April 2025]. Retrieved from: http://dx.doi.org/10.1504/IJMPT.2007.013127
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Record is a part of a journal

Title:International journal of materials & product technology
Shortened title:Int. j. mater. prod. technol.
Publisher:Inderscience Enterprises
ISSN:0268-1900
COBISS.SI-ID:512563481 New window

Secondary language

Language:English
Keywords:varjenje, zvarni spoji, grobo zrnato TVP, nastanek razpoke, parametri velikosti razpoke, majhne površinske rapoke, intenzivnost napetosti, Vickers odtis, prehod temena zvara


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