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Statements

Subject Item
n2:RIV%2F68407700%3A21340%2F13%3A00214299%21RIV14-MPO-21340___
rdf:type
skos:Concept n3: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 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 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
RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD
skos:prefLabel
RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD
skos:notation
RIV/68407700:21340/13:00214299!RIV14-MPO-21340___
n3:predkladatel
n4:orjk%3A21340
n5:aktivita
n15:P
n5:aktivity
P(FR-TI3/814)
n5:dodaniDat
n10:2014
n5:domaciTvurceVysledku
n7:6539599 n7:4492188 n7:4397576
n5:druhVysledku
n18:D
n5:duvernostUdaju
n8:S
n5:entitaPredkladatele
n19:predkladatel
n5:idSjednocenehoVysledku
102591
n5:idVysledku
RIV/68407700:21340/13:00214299
n5:jazykVysledku
n20:eng
n5:klicovaSlova
Laser hardening; residual stresses; X-ray diffraction, hole-drilling method
n5:klicoveSlovo
n11:hole-drilling%20method n11:X-ray%20diffraction n11:residual%20stresses n11:Laser%20hardening
n5:kontrolniKodProRIV
[A518FF95DC68]
n5:mistoKonaniAkce
Gabrovo
n5:mistoVydani
Gabrovo
n5:nazevZdroje
INTERNATIONAL SCIENTIFIC KONFERENCE PROCEEDINGS, GABROVO, BULGARIA, 22-23 November 2013
n5:obor
n17:JG
n5:pocetDomacichTvurcuVysledku
3
n5:pocetTvurcuVysledku
3
n5:projekt
n13:FR-TI3%2F814
n5:rokUplatneniVysledku
n10:2013
n5:tvurceVysledku
Ganev, Nikolaj Kolařík, Kamil Pala, Zdeněk
n5:typAkce
n16:WRD
n5:zahajeniAkce
2013-11-22+01:00
s:issn
1313-230X
s:numberOfPages
5
n12:hasPublisher
UNIVERSITY PUBLISHING HOUSE „V. APRILOV“
n14:organizacniJednotka
21340