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Metallurgical assessment of two HSS rolls grades for Hot Strip Mill
Lecomte-Beckers, Jacqueline; Delaunois, Fabienne; Breyer, Jean-Pierre et al.
2007In AISTech-Proceedings of the Iron and Steel Technology Conference
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Keywords :
HSS; Carbides; DTA; Residual and Intrinsic Ferrite; Hot Hardness; Compression tests; LiMaRC - Liège Materials Research Center
Abstract :
[en] Aurora and Kosmos grades are HSS alloys used for the manufacturing of rolling mill work rolls for early finishing stands of Hot Strip Mills. Both alloys were metallurgically assessed using Electron Microscopy, X Rays analysis on carbides and Differential Thermal Analysis. These methods allow a better understanding of the behaviour of the studied alloys during solidification and cooling. Some mechanical tests were also performed. A connection between the laboratory results and the performance in operation of both grades is performed. The strong metallurgical differences especially as concern the nature and amount of carbides allow to explain the good behaviour in service of Aurora.
Disciplines :
Materials science & engineering
Mechanical engineering
Author, co-author :
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Delaunois, Fabienne;  Service de Métallurgie Faculté Polytechnique de Mons 56, Rue de l’épargne – 7000 Mons (Belgium
Breyer, Jean-Pierre;  R&D Director, Marichal Ketin 372, Rue Ernest Solvay – 4000 Liege (Belgium)
Tchuindjang, Jérôme Tchoufack  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Language :
English
Title :
Metallurgical assessment of two HSS rolls grades for Hot Strip Mill
Publication date :
2007
Event name :
AISTech - The Iron and Steel Technology Conference
Event place :
Indianapolis, United States
Audience :
International
Main work title :
AISTech-Proceedings of the Iron and Steel Technology Conference
Peer reviewed :
Peer reviewed
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since 04 November 2009

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