About: X-RAY DIFFRACTION ANALYSIS OF RESIDUAL STERSSES AFTER MILLING OF SUPER-ALLOYS

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nickel super-alloys are widely used in aerospace as material for turbine blades. Unfortunately, their machining is difficult since mechanical hardening and, consequently, extreme tool wear occur. Casting can no longer meet the requirements for precision, hence, the castings are being ground or milled. In this contribution, a quality check of the milled surface by several surface integrity parameters is proposed with respect to the surface structural inhomogeneities caused by mutual effect of plastic deformations and thermal fields during the cutting process. Castings from Inconel 738LC were milled with cutting conditions chosen by Design-Of-Experiments method and the resulting surfaces were assessed by non-destructive X-ray diffraction methods in several areas corresponding to various cutter orientation and work-piece angle. Surface integrity was described by macroscopic residual stresses, microstrains, grain sizes and phase composition. Mostly, favourable compressive surface residual stresses were observed in the cutting direction, grain sizes were distinctively smaller when the tool axis was perpendicular to the machined surface. Nickel super-alloys are widely used in aerospace as material for turbine blades. Unfortunately, their machining is difficult since mechanical hardening and, consequently, extreme tool wear occur. Casting can no longer meet the requirements for precision, hence, the castings are being ground or milled. In this contribution, a quality check of the milled surface by several surface integrity parameters is proposed with respect to the surface structural inhomogeneities caused by mutual effect of plastic deformations and thermal fields during the cutting process. Castings from Inconel 738LC were milled with cutting conditions chosen by Design-Of-Experiments method and the resulting surfaces were assessed by non-destructive X-ray diffraction methods in several areas corresponding to various cutter orientation and work-piece angle. Surface integrity was described by macroscopic residual stresses, microstrains, grain sizes and phase composition. Mostly, favourable compressive surface residual stresses were observed in the cutting direction, grain sizes were distinctively smaller when the tool axis was perpendicular to the machined surface. (en)
Title	X-RAY DIFFRACTION ANALYSIS OF RESIDUAL STERSSES AFTER MILLING OF SUPER-ALLOYS X-RAY DIFFRACTION ANALYSIS OF RESIDUAL STERSSES AFTER MILLING OF SUPER-ALLOYS (en)
skos:prefLabel	X-RAY DIFFRACTION ANALYSIS OF RESIDUAL STERSSES AFTER MILLING OF SUPER-ALLOYS X-RAY DIFFRACTION ANALYSIS OF RESIDUAL STERSSES AFTER MILLING OF SUPER-ALLOYS (en)
skos:notation	RIV/68407700:21340/14:00227865!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(7AMB14SK092)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kolařík, Kamil Ganev, Nikolaj
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	56458
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/14:00227865
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Stresses; milling; geometrical product specification; nickel super-alloys; turbine blades (en)
http://linked.open.../riv/klicoveSlovo	Stresses nickel super-alloys turbine blades geometrical product specification milling
http://linked.open...ontrolniKodProRIV	[A3D44C6F4392]
http://linked.open...v/mistoKonaniAkce	Yambol
http://linked.open...i/riv/mistoVydani	Yambol
http://linked.open...i/riv/nazevZdroje	International Conference on Technics, Technologies and Education ICTTE 2014
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Application of magnetic and stress anisotropy for study of surface integrity
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Beránek, Libor Ganev, Nikolaj Kolařík, Kamil Mikeš, Petr
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-10-30 (xsd:date)
issn	1314-9474
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Faculty of Technics and Technologies, Trakia University
http://localhost/t...ganizacniJednotka	21340

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