ORBi: Lecomte-Beckers Jacqueline - Effect of alumina and titanium nitrides inclusions on mechanical properties in high alloyed steels

Reference : Effect of alumina and titanium nitrides inclusions on mechanical properties in high allo...


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Multidisciplinary, general & others Engineering, computing & technology : Materials science & engineering Engineering, computing & technology : Geological, petroleum & mining engineering
	To cite this reference:	http://hdl.handle.net/2268/24892

Title :	Effect of alumina and titanium nitrides inclusions on mechanical properties in high alloyed steels
Language :	English
Author, co-author :	Lecomte-Beckers, Jacqueline [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
	Tchoufang Tchuindjang, Jérôme [> > > >]
	Gfhiri, Rachid [> > > >]
	Boeraeve, Philippe [> > > >]
	De Colnet, Laurence [MICA laboratory - D2, Avenue des Tilleuls 45, 4000 Liège, Belgium > > > > > >]
	Pirard, Eric [Université de Liège - ULg > Département Argenco : Secteur GeMMe > Géoressources minérales & Imagerie géologique >]
Editor :	Sandera [> > > >]
Publication date :	2001
Main document title :	Proceedings of the MSMF-3 International Conference
Pages :	693-700
Audience :	International
Event name :	MSMF-3 International Conference
Event date :	June 27 – 29, 2001
Event organizer :	Brno University of Technology
Event place (city) :	Brno
Event country :	Czech Republic
Keywords :	[en] High alloyed steel ; inclusion ; fracture (initiation, propagation)
Abstract :	[en] every commercial steel product in varying amounts. Since inclusions significantly influence properties and behaviour of materials and at the same time give indications on the quality of the steel, it is quite interesting to precise their nature and their origin. In this paper concerning a project involved in the COST 517 framework, studied alloys are high alloy steels. The raw materials were obtained from the conventionally electrical cast ingot and the Electro Slag Refining processes. The purpose is to compare various inclusions produced by these different processes and their effect on the mechanical properties. The raw material because of the melting processes themselves, leads to a product with a good to a great cleanliness, and tiny inclusions, which are haphazardly distributed. The actual ASTM E45 chart seems to be inappropriate, as the inclusions founded are too small in size. Therefore, we manage to develop a specific procedure for the study of such inclusions. The different types of inclusions encountered are oxides, titanium nitrides, and manganese sulphides. Studying the effect on mechanical properties, oxides often seem to initiate fatigue fracture.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/24892

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