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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F07%3APU73579%21RIV08-GA0-26210___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Studovaná ADI byla získána tepelným zpracováním nelegované litiny s kuličkovým grafitem. Tepelné zpracování sestávalo z austenitizace (900 C / 1h), izotermické transformace pri teplotě 380 C a ochlazení do vody. Ke studiu změn struktury v průběhu izotermické transformace byly vybrány doby transformace v rozsahu od 2 do 540 minut. The studied austempered ductile iron (ADI) was obtained by the heat treatment of an unalloyed nodular cast iron consisting of austenitization (900 C / 1h), an isothermal transformation at 380 C and water cooling at the end. To study matrix composition changes during the isothermal transformation, the dwell at the transformation temperature was chosen in very wide range of 2 min to 540 min. The isothermal transformation starts by a creation of bainitic ferrite needles resulting in an enrichment of the non-transformed austenite by carbon which increases its stability. For short dwells (2, 5 and 10 min) the stabilization of the austenite is not sufficient yet, therefore the partial martensitic transformation during cooling occurs. With increasing dwell the amount of the stabilized austenite increases and reaches its maximum for the transformation dwell of 60 min. With further dwell lengthening the amount of the stabilized austenite decreases again as a consequence of its continuing transformation into th The studied austempered ductile iron (ADI) was obtained by the heat treatment of an unalloyed nodular cast iron consisting of austenitization (900 C / 1h), an isothermal transformation at 380 C and water cooling at the end. To study matrix composition changes during the isothermal transformation, the dwell at the transformation temperature was chosen in very wide range of 2 min to 540 min. The isothermal transformation starts by a creation of bainitic ferrite needles resulting in an enrichment of the non-transformed austenite by carbon which increases its stability. For short dwells (2, 5 and 10 min) the stabilization of the austenite is not sufficient yet, therefore the partial martensitic transformation during cooling occurs. With increasing dwell the amount of the stabilized austenite increases and reaches its maximum for the transformation dwell of 60 min. With further dwell lengthening the amount of the stabilized austenite decreases again as a consequence of its continuing transformation into th
dcterms:title
The Optimization of the Isothermal Transformation Dwell with Emphasis on the Matrix Structural Mixture of Austempered Ductile Iron Optimalizace izotermické prodlevy s důrazem na strukturu ADI The Optimization of the Isothermal Transformation Dwell with Emphasis on the Matrix Structural Mixture of Austempered Ductile Iron
skos:prefLabel
The Optimization of the Isothermal Transformation Dwell with Emphasis on the Matrix Structural Mixture of Austempered Ductile Iron Optimalizace izotermické prodlevy s důrazem na strukturu ADI The Optimization of the Isothermal Transformation Dwell with Emphasis on the Matrix Structural Mixture of Austempered Ductile Iron
skos:notation
RIV/00216305:26210/07:PU73579!RIV08-GA0-26210___
n4:strany
113-116
n4:aktivita
n5:P n5:Z
n4:aktivity
P(GA106/03/1265), Z(MO0FVT0000404)
n4:cisloPeriodika
2/2007
n4:dodaniDat
n12:2008
n4:domaciTvurceVysledku
n8:3091872 n8:2591006 n8:5757150
n4:druhVysledku
n17:J
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
439906
n4:idVysledku
RIV/00216305:26210/07:PU73579
n4:jazykVysledku
n7:eng
n4:klicovaSlova
ADI, stabilized austenite, transformation dwell, isothermal transformation stage
n4:klicoveSlovo
n6:ADI n6:transformation%20dwell n6:stabilized%20austenite n6:isothermal%20transformation%20stage
n4:kodStatuVydavatele
LT - Litevská republika
n4:kontrolniKodProRIV
[97EC3F2836FD]
n4:nazevZdroje
Materials Science
n4:obor
n9:JL
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:projekt
n19:GA106%2F03%2F1265
n4:rokUplatneniVysledku
n12:2007
n4:svazekPeriodika
13
n4:tvurceVysledku
Kohout, Jan Hanzlíková, Klára Věchet, Stanislav
n4:zamer
n11:MO0FVT0000404
s:issn
1392-1320
s:numberOfPages
4
n18:organizacniJednotka
26210