About: Mechanical Properties and Stability of the Microstructure of Cast Nickel Superalloy IN792-5A After Long-Term Exposure at High Temperatures     Goto   Sponge   NotDistinct   Permalink

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  • The effect of a long-term exposure (LTE) at high temperature (900°C) up to 10 000 hours on the structure, mechanical properties, morphology and distribution of gamma' particles of cast Ni-based superalloy Inconel IN792-5A was studied. Before LTE, part of the specimens was subjected to a three stage heat treatment (HT) 1120°C/4h/air + 1080°C/4h/air + 845°C/24h/air. Nearly no differences in mechanical properties were found in the as-cast and HT condition. According to quantitative stereologic analysis (QSA), higher number of gamma' particles was found in the material after HT than in the as-cast state. Furthermore, the size of gamma' particles in the HT material was more uniform. Even after LTE of 10000 hours, the heat treated material maintained a better distribution of gamma' particles than as-cast specimens.
  • The effect of a long-term exposure (LTE) at high temperature (900°C) up to 10 000 hours on the structure, mechanical properties, morphology and distribution of gamma' particles of cast Ni-based superalloy Inconel IN792-5A was studied. Before LTE, part of the specimens was subjected to a three stage heat treatment (HT) 1120°C/4h/air + 1080°C/4h/air + 845°C/24h/air. Nearly no differences in mechanical properties were found in the as-cast and HT condition. According to quantitative stereologic analysis (QSA), higher number of gamma' particles was found in the material after HT than in the as-cast state. Furthermore, the size of gamma' particles in the HT material was more uniform. Even after LTE of 10000 hours, the heat treated material maintained a better distribution of gamma' particles than as-cast specimens. (en)
  • Byl studován vliv žíhání při 900°C v rozsahu do 10 000 hodin na mechanické vlastnosti, morfologii a distribucu částic gamma' ve slitině IN792-5A. Část vzorků byla podrobena tepelnému zpracování 1120°C/4h/vzduch + 1080°C/4h/vzduch + 845°C/24h/vzduch. Nebyl pozorován rozdíl mech. vlastností u vzorků v litém stavu po tepelném zpracování. Kvantitativní stereologická analýza prokázala větší počet a lepší homogenizaci částic gamma' u vzorků po tepelném zpracování jak ve výchozím stavu tak po žíhání v rozsahu 10 000 hodin. (cs)
Title
  • Mechanical Properties and Stability of the Microstructure of Cast Nickel Superalloy IN792-5A After Long-Term Exposure at High Temperatures
  • Mechanické vlastnosti a stabilita mikrostruktury lité niklové superslitiny IN792-A po dluhodobém žíhání. (cs)
  • Mechanical Properties and Stability of the Microstructure of Cast Nickel Superalloy IN792-5A After Long-Term Exposure at High Temperatures (en)
skos:prefLabel
  • Mechanical Properties and Stability of the Microstructure of Cast Nickel Superalloy IN792-5A After Long-Term Exposure at High Temperatures
  • Mechanické vlastnosti a stabilita mikrostruktury lité niklové superslitiny IN792-A po dluhodobém žíhání. (cs)
  • Mechanical Properties and Stability of the Microstructure of Cast Nickel Superalloy IN792-5A After Long-Term Exposure at High Temperatures (en)
skos:notation
  • RIV/68407700:21340/07:04135158!RIV08-MSM-21340___
http://linked.open.../vavai/riv/strany
  • 143;147
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770021)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
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http://linked.open...titaPredkladatele
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  • 432573
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/07:04135158
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  • Ni-based superalloy; gamma prime phase; long-term annealing; quantitative stereologic analysis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [F38635764A39]
http://linked.open...i/riv/nazevZdroje
  • Materials Engineering
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 14
http://linked.open...iv/tvurceVysledku
  • Hrbáček, K.
  • Adámek, Jan
  • Podhorná, B.
  • Skiba, Tomáš
http://linked.open...n/vavai/riv/zamer
issn
  • 1335-0803
number of pages
http://localhost/t...ganizacniJednotka
  • 21340
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