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Answer:- Option D Centre Splitting:-This is a severe case of EDGE CRACKING since the centre is under a much higher compressive force so the resulting friction at the centre can lead to splitting of the metal sheet from the centre. EDGE CRACKING:- It is the rolling defect in which the edge of the stRead more
Answer:- Option D
Centre Splitting:-This is a severe case of EDGE CRACKING since the centre is under a much higher compressive force so the resulting friction at the centre can lead to splitting of the metal sheet from the centre.
EDGE CRACKING:- It is the rolling defect in which the edge of the strip in the width direction of the strip fractures during rolling.
3 majors cause for the occurrence of Edge Cracking:-
1- Limited ductility of the strip.
2-Uneven deformation at the edges.
3-Variations in stresses along the width of the strip particularly near the edges.
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