Computation of hot forming efficiency

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F09%3A00022369" target="_blank" >RIV/61989100:27360/09:00022369 - 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
Computation of hot forming efficiency
Original language description
Processing maps on hot rolled 9 Cr steel have been developed in the range 800-1100 °C and 0,1-100 s-1 by plastometric hot plane strain compression test (PSCT) with a view to examine whether the hot workability is efficient. Briefly, the work-piece undergoing hot deformation is considered to be a dissipator of power and the strain rate sensitivity m of flow stress is the factor that partitions power between deformation heat and microstructural changes. The variation of efficiency of power dissipation with temperature and strain rate represents a power dissipation map which is generally viewed as an iso-efficiency contour map. Hot forming behaviour of stainless steel is characterised in processing maps developed on the basis of the Dynamic Materials Model. The material could exhibit a dynamic recrystallization domain in the temperature range of high than 1000 °C or higher and strain rate of 1 s-1.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Project
<a href="/en/project/GA106%2F07%2F0631" target="_blank" >GA106/07/0631: Plastometric, PC and pilot simulation of restoration observed at hot deformed material</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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