Effect of Magnesium Addition on Behavior of Collision and Agglomeration between Solid Inclusion Particles on H13 Steel Melts | Zendy

Du Gang | Zendy; Li Jing | Zendy; Wang ZhongBing | Zendy; Shi ChengBin | Zendy

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Effect of Magnesium Addition on Behavior of Collision and Agglomeration between Solid Inclusion Particles on H13 Steel Melts

Author(s) -

Du Gang,

Li Jing,

Wang ZhongBing,

Shi ChengBin

Publication year - 2017

Publication title -

steel research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.603

H-Index - 49

eISSN - 1869-344X

pISSN - 1611-3683

DOI - 10.1002/srin.201600185

Subject(s) - agglomerate , economies of agglomeration , materials science , magnesium , metallurgy , inclusion (mineral) , tool steel , radius , composite material , chemical engineering , mineralogy , chemistry , computer security , computer science , engineering

Behavior of collision and agglomeration between solid inclusion particles MgO · Al 2 O 3 and Al 2 O 3 on H13 molten steel surfaces is observed in situ through a confocal scanning laser microscope (CSLM) equipped with a gold image furnace, and the attractive force between these solid inclusions is calculated by using Newton's second law. Results and analysis show that the attractive force between alumina particles in H13 steel without magnesium is stronger than that between MgO · Al 2 O 3 particles in H13 steel containing magnesium, and the action radius of attractive force between alumina particles is larger than that between MgO · Al 2 O 3 particles. MgO · Al 2 O 3 particles have a much weaker tendency to collide, agglomerate, grow, and form clusters than alumina particles in H13 steel. Therefore, the collision, agglomeration and growth of inclusions, as well as the formation of clusters in H13 steel can be effectively impeded by the adding of magnesium.

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