Reference : Improvement in HSS grade for early stands of hot strip mills - Metallurgical features...
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Materials science & engineering
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/30615
Improvement in HSS grade for early stands of hot strip mills - Metallurgical features and mechanical properties assessment
English
Ernst, Roger [ > > ]
Breyer, Jean-Pierre mailto [R&D Director, Marichal Ketin 372, Rue Ernest Solvay – 4000 Liege (Belgium) > > > >]
Tchuindjang, Jérôme Tchoufack mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
Lecomte-Beckers, Jacqueline mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
2007
Proceedings of the 43rd Seminar of Rollings
Yes
International
Brazil
43rd Seminar of Rollings
Brazil
[en] HSS ; Carbides ; DTA ; Residual and Intrinsic Ferrite ; compression tests ; hot hardness
[en] Aurora and Kosmos grades are HSS alloys belonging to the complex Fe-Cr-C-X
system, where X is a strong carbide former element of the V, Mo or W type.
Both alloys were metallurgically characterised prior to their comparison.
Metallurgical analyses involved phases identification and carbides quantification by
using Scanning Electron Microscopy and Energy Dispersive X rays. Differential
Thermal Analysis was performed to allow a better understanding of the solidification
sequence of studied alloys while mechanical tests performed were compressive at
room temperature and bulk hardness at usual service temperatures. An attempt was
made in order to connect experimental results to the good behaviour in operation of
Aurora grade.
In fact Aurora grade appeared to exhibit strong metallurgical differences when
compared to Kosmos grade, especially as concern in nature and amount of carbides.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/30615

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