Inclusion engineering of steels for high speed machining

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Mots clés : Metallurgy;Steel;Inclusion engineering;High speed machining
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Texte
Sommaire: Characterization of second phase particles is important with regard to their influence on mechanical properties of materials. Analytical electron microscopy offers the possibility to achieve complete characterization of inclusions. Complete characterization of inclusions means quantitative evaluation of their chemistry and the streological parameters. A characterization technique based on integrated microscopy and involving scanning electron microscopy, image analysis and energy dispersive...
Publication: CIM Bulletin
Auteur(s): C.Blais, G. L'Esperance
Mots clés: Metallurgy, Steel, Inclusions in steel
Numéro: 1021
Volume: 91
Année: 1998
Texte
Sommaire: In western Canada, many new wells contain a significant fraction of H2S. As well, many older wells become increasingly sour over their operating lifetime. For these reasons, there has been increased demand for linepipe and casing for sour service applications in recent years. This paper will review the metallurgical factors which must be cosidered in designing steels for such applications. IPCOÕs development of linepipe and casing, and experience in fabricating products to meet test standards...
Publication: CIM Bulletin
Auteur(s): L.E. Collins, R. Kruger
Mots clés: Metallurgy, Sour service applications, Steel
Numéro: 1021
Volume: 91
Année: 1998
Texte
Sommaire: Over the past twenty years, steel makers have introduced improved practices for reducing the inclusion content of steels. The success of these practice changes can be monitored in a variety of ways. Chemical analysis of the bulk sulphur and oxygen contents provides a relatively simple means to assess the impact of these changes. However, microscopical test methods are still needed to assess the nature of the inclusions present. Traditional chart-based measuremnet methods have wide acceptabili...
Publication: CIM Bulletin
Auteur(s): G.F. Vander Voor
Mots clés: Metallurgy, Inclusion measurement, Steel
Numéro: 1021
Volume: 91
Année: 1998
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