On The Mechanism And Causes Of Cross Cracking In Concast Low Alloy
Manganese Steel Slab
Author(s)
J. Dobrovska, V. Dobrovska, K. Stransky, F. Kavicka, J. Stetina,
B. Velicka & J. Heger
Abstract
On the mechanism and causes of cross cracking
in concast low alloy manganese steel slab
J. Dobrovska', V. Dobrovska', K. stransky2, F. ~ a v i c k a ~ ,
J. stetina2, B. velicka3 & J. ~ e ~ e r ~
J Faculty of Metallurgy and Material Engineering,
VSB - Technical University of Ostrava, Ostrava, Czech Republic
2 Faculty of Mechanical Engineering, Brno University of Technology,
Czech Republic
3 VUHZ a.s. Dobra, Czech Republic
4 ALSTOM Power technology Centre, Cambridge Road, Whetstone,
Leicester. UK
Abstract
This paper deals with surface morphology, the mechanism of the origination and
causes of cross cracking of concast low alloy manganese steel slabs. The cross
cracking was identified in a steel slab with sectional size 145x1300 mm and the
length of the asymmetrical cracking was approximately 600 mm. Light
microscopy and scanning electron microscopy have been applied for the
determination of the metallographic structure of steel and for the study of micromorphology
and the trajectory of crackin
Keywords
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