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  • Příspěvek zhodnocuje chemickou a strukturní heterogenitu niklové slitiny Inconel 713 LC. Tento materiál patří mezi lité polykrystalické niklové superslitiny, které jsou užívány k výrobě oběžných kol malých spalovacích turbín pro pomocné energetické jednotky v leteckém průmyslu. V provozních podmínkách spalovacích turbín proudových motorů jsou lopatky oběžných kol namáhány časově, teplotně a napěťově proměnnými cykly zatěžování. Během provozu jsou lopatky vystaveny řadě degradačních vlivů, zejména vysokkoteplotní korozi, únavovým procesům a creepu. Měření chemické mikroheterogenity prvků bylo realizováno na vzorcích slitiny v litém stavu před a po provozním zatížení. K měření koncentračních dat vybraných prvků byl použit mikroanalytický komplex JEOL JXA 8600/KEVEX Delta V Sesame a metoda energiově disperzní analýzy. Na každém vzorku byly měřeny koncentrace sedmi prvků (Al,Ti,Cr,Ni,Zr,Nb,Mo) ve 101 bodech struktury. Na základě matematicko-statistických metod byly vypočítány základní segregační charakt (cs)
  • The contribution deals with the chemical and structural heterogeneity of a creep resistant Ni-based alloy Inconel 713 LC. This material belongs to the cast poly-crystalline nickel super-alloys which are used for the production of circulating wheels of small combustion turbines for supplementary energetic units in aviation industry. In operational conditions of combustion turbines as part of turbo engines, blades of the circulating wheels are stressed in time, temperature and stress variable cycles durinng the loading procedure. The blades are exposed to a series of degradation factors such as high-temperature corrosion, fatigue processes and creep during the operation. Measurement of the chemical microheterogeneity of elements was realized in as-cast state before and after exploitation. As microanalytical complex was applied JEOL JXA 8600/KEVEX Delta V Sesame and EDS. In the analysis of chemical microheterogeneity, the concentrations of Al, Ti, Cr, Ni, Zr, Nb, Mo were measured in 101 points of the str
  • The contribution deals with the chemical and structural heterogeneity of a creep resistant Ni-based alloy Inconel 713 LC. This material belongs to the cast poly-crystalline nickel super-alloys which are used for the production of circulating wheels of small combustion turbines for supplementary energetic units in aviation industry. In operational conditions of combustion turbines as part of turbo engines, blades of the circulating wheels are stressed in time, temperature and stress variable cycles durinng the loading procedure. The blades are exposed to a series of degradation factors such as high-temperature corrosion, fatigue processes and creep during the operation. Measurement of the chemical microheterogeneity of elements was realized in as-cast state before and after exploitation. As microanalytical complex was applied JEOL JXA 8600/KEVEX Delta V Sesame and EDS. In the analysis of chemical microheterogeneity, the concentrations of Al, Ti, Cr, Ni, Zr, Nb, Mo were measured in 101 points of the str (en)
Title
  • Heterogeneity of Inconel 713 LC
  • Heterogeneity of Inconel 713 LC (en)
  • Heterogenita slitiny Inconel 713 LC (cs)
skos:prefLabel
  • Heterogeneity of Inconel 713 LC
  • Heterogeneity of Inconel 713 LC (en)
  • Heterogenita slitiny Inconel 713 LC (cs)
skos:notation
  • RIV/00216305:26210/05:PU52807!RIV06-GA0-26210___
http://linked.open.../vavai/riv/strany
  • 68-73
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/02/1088)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 523213
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26210/05:PU52807
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cast nickel alloy, chemical heterogeneity, mathematical-statistical analysis, (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [092782A05521]
http://linked.open...i/riv/nazevZdroje
  • Acta Metallurgica Slovaca
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 11
http://linked.open...iv/tvurceVysledku
  • Dobrovská, Jana
  • Podrábský, Tomáš
  • Stránský, Karel
  • Juliš, Martin
  • Pospíšilová, Simona
  • Rek, Antonín
issn
  • 1335-1532
number of pages
http://localhost/t...ganizacniJednotka
  • 26210
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