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Statements

Subject Item
n2:RIV%2F68407700%3A21340%2F13%3A00214465%21RIV14-MPO-21340___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Laser hardening is a surface treatment method which is successfully used especially when localized hardening of surface is desired. The correct choice of laser hardening parameters must be verified experimentally because the fundamentals of the process rest in structural changes of the material, namely the phase composition and real structure such as appropriate state of residual stress. X-ray diffraction represents the experimental method that has the capability to give these parameters non-destructively in the thin surface layer. In our study, the focus was to ascertain the effect of laser beam width on the depth distribution of residual stresses. The diffraction approach was thus combined with hole-drilling method. The obtained results from both the methods show that the depth distributions of residual stresses have advantageous hook-like shape with tensile stresses on the surface, gradually decreasing to compressive stresses in the depth of approximately 0.3 mm beneath the surface. This is beneficial for prolongation of service life of the industrial components. Laser hardening is a surface treatment method which is successfully used especially when localized hardening of surface is desired. The correct choice of laser hardening parameters must be verified experimentally because the fundamentals of the process rest in structural changes of the material, namely the phase composition and real structure such as appropriate state of residual stress. X-ray diffraction represents the experimental method that has the capability to give these parameters non-destructively in the thin surface layer. In our study, the focus was to ascertain the effect of laser beam width on the depth distribution of residual stresses. The diffraction approach was thus combined with hole-drilling method. The obtained results from both the methods show that the depth distributions of residual stresses have advantageous hook-like shape with tensile stresses on the surface, gradually decreasing to compressive stresses in the depth of approximately 0.3 mm beneath the surface. This is beneficial for prolongation of service life of the industrial components.
dcterms:title
USE OF XRD AND HOLE-DRILLING METHOD FOR DETERMINATION OF RESIDUAL STRESSES GRADIENT IN C45 STEEL AFTER LASER HARDENING USE OF XRD AND HOLE-DRILLING METHOD FOR DETERMINATION OF RESIDUAL STRESSES GRADIENT IN C45 STEEL AFTER LASER HARDENING
skos:prefLabel
USE OF XRD AND HOLE-DRILLING METHOD FOR DETERMINATION OF RESIDUAL STRESSES GRADIENT IN C45 STEEL AFTER LASER HARDENING USE OF XRD AND HOLE-DRILLING METHOD FOR DETERMINATION OF RESIDUAL STRESSES GRADIENT IN C45 STEEL AFTER LASER HARDENING
skos:notation
RIV/68407700:21340/13:00214465!RIV14-MPO-21340___
n8:predkladatel
n9:orjk%3A21340
n4:aktivita
n12:P
n4:aktivity
P(FR-TI3/814)
n4:dodaniDat
n17:2014
n4:domaciTvurceVysledku
n10:4397576 n10:6539599 n10:4492188 n10:6426778
n4:druhVysledku
n18:D
n4:duvernostUdaju
n6:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
113078
n4:idVysledku
RIV/68407700:21340/13:00214465
n4:jazykVysledku
n14:eng
n4:klicovaSlova
laser hardening; residual stresses; X-ray diffraction; hole-drilling method
n4:klicoveSlovo
n11:X-ray%20diffraction n11:residual%20stresses n11:hole-drilling%20method n11:laser%20hardening
n4:kontrolniKodProRIV
[D95E6A2023BA]
n4:mistoKonaniAkce
Yambol
n4:mistoVydani
Yambol
n4:nazevZdroje
International Conference on Technics, Technologies and Education proceedings
n4:obor
n20:JG
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n19:FR-TI3%2F814
n4:rokUplatneniVysledku
n17:2013
n4:tvurceVysledku
Kolařík, Kamil Ganev, Nikolaj Pala, Zdeněk Čapek, Jiří
n4:typAkce
n16:WRD
n4:zahajeniAkce
2013-10-30+01:00
s:issn
1314-9474
s:numberOfPages
6
n21:hasPublisher
Faculty of Technics and Technologies, Trakia University
n5:organizacniJednotka
21340