About: RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD

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About: RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/68407700:21340/13:00214299!RIV14-MPO-21340___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI3/814)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kolařík, Kamil Ganev, Nikolaj Pala, Zdenek
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	102591
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/13:00214299
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Laser hardening; residual stresses; X-ray diffraction, hole-drilling method (en)
http://linked.open.../riv/klicoveSlovo	Laser hardening hole-drilling method X-ray diffraction residual stresses
http://linked.open...ontrolniKodProRIV	[A518FF95DC68]
http://linked.open...v/mistoKonaniAkce	Gabrovo
http://linked.open...i/riv/mistoVydani	Gabrovo
http://linked.open...i/riv/nazevZdroje	INTERNATIONAL SCIENTIFIC KONFERENCE PROCEEDINGS, GABROVO, BULGARIA, 22-23 November 2013
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Laser surface processing optimization of engineering components for their quality properties enhancement
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Ganev, Nikolaj Kolařík, Kamil Pala, Zdeněk
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-11-22 (xsd:date)
issn	1313-230X
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	UNIVERSITY PUBLISHING HOUSE „V. APRILOV“
http://localhost/t...ganizacniJednotka	21340

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