Kinetics of Grain Growth and Recrystallization during Forming Modes for Processing of Steel SA 508

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F12%3A00193796" target="_blank" >RIV/68407700:21220/12:00193796 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Kinetics of Grain Growth and Recrystallization during Forming Modes for Processing of Steel SA 508
Original language description
Within the optimization of material processing technology for heavy forgings made from the steel SA 508 for power industry (especially shafts), kinetics of grain growth, recrystallization and precipitation processes in order to prevent the occurrence ofcoarse-grained structures were evaluated. In the typical range of forging temperatures of 850 °C - 1250 °C the austenite grain coarsens significantly above a temperature of 1100 °C. Evaluation of recrystallization processes shows significant inhibition of dynamic and consequently postdynamic recrystallization after deformation of 60 % at temperature 850 °C. With increasing deformation temperature the contribution of dynamic and postdynamic recrystallization grows. Particles present in the microstructureevaluated by TEM are mostly M3C type. The optimization of material processing technology forged steel SA 508 for power supply applications has been evaluated and grain growth kinetics of precipitation processes in order to prevent undesi
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI2%2F132" target="_blank" >FR-TI2/132: Research of Reasons of Production Defects of Heavy Forgings and Castings with the Best Quality Parameters for Steam, Wind and Nuclear Power Stations</a><br>
Continuities
O - Projekt operacniho programu

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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