Interactions between Exogenous Magnesia Inclusions with Endogenous Inclusions in a High Alloyed Steel Melt1 . Issue 9 (11th May 2017)

• Record Type: Journal Article
• Authors: Schröder, Christina; Fischer, Undine; Schmidt, Anne; Schmidt, Gert; Volkova, Olena; Aneziris, Christos G.
• Other Names: Aneziris Christos guestEditor.; Fey Tobias guestEditor.
• Is Part Of: Advanced engineering materials. Volume 19:Issue 9(2017)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2017-05-11
• Subjects: Materials -- Periodicals; 620.11
• DOI: 10.1002/adem.201700146
• Languages: English
• ISSNs: 1438-1656

Abstract

Abstract : Interactions between exogenous MgO particles and endogenous inclusions on the surface of a high alloyed steel melt have been investigated in situ in a high temperature confocal laser scanning microscope. Exogenous magnesia particle forms immediately a liquid Mg–Si–Al–Ti–Cr phase surrounding the solid particle. The real attraction forces between the liquid layer surrounding MgO particles and endogenous Al2 O3 inclusions are determined in the range of 6 × 10 −18 N to 1 × 10 −16 N. In contrast to earlier investigations with exogenous Al2 O3 particles, lower real attraction forces between exogenous and endogenous particle pairs have been observed in comparison to endogenous inclusions pairs. Abstract : Interactions between exogenous MgO particles and endogenous inclusions on the surface of a high alloyed steel melt have been investigated in situ in a high temperature confocal laser scanning microscope. Exogenous magnesia particle forms immediately a liquid Mg–Si–Al–Ti–Cr phase surrounding the solid particle. The real attraction forces between the liquid layer surrounding MgO particles and endogenous Al2 O3 inclusions are determined in the range of 6 × 10 –18 N to 1 × 10 –16 N. In contrast to earlier investigations with exogenous Al2 O3 particles, lower real attraction forces between exogenous and endogenous particle pairs have been observed in comparison to endogenous inclusions pairs.