NOC:Steel Quality - Role of Secondary Refining and Continuous Casting


Lecture 1 - Concept of Steel Quality


Lecture 2 - Control of Residuals and Impact on Quality


Lecture 3 - Non-Metallic Inclusions


Lecture 4 - Evaluation of Residuals and Inclusions


Lecture 5 - Cleanliness Requirements for Different applications


Lecture 6 - Limitation of Primary Steelmaking and Importance of secondary Refining


Lecture 7 - Deoxidation


Lecture 8 - Prevention of Slag carryover


Lecture 9 - Desulphurisation


Lecture 10 - Degassing


Lecture 11 - Secondary Refining Processes


Lecture 12 - Injection of Calcium


Lecture 13 - Different Routes and Temperature Control


Lecture 14 - Decarburisation


Lecture 15 - Cleanliness Measures in Ladle and Tundish


Lecture 16 - Cleanliness Measures in Mould


Lecture 17 - Nature and Distribution of Entrapments in Casting


Lecture 18 - Genesis of Entrapment


Lecture 19 - Effect of Vertical vis-a-vis Curved Mould


Lecture 20 - Quality of Cast Product


Lecture 21 - Role of Concast Process, Caster Design and Steel Grade


Lecture 22 - Primary Cooling in Caster Mould


Lecture 23 - Heat Transfer in Mould


Lecture 24 - Role of Mould Oscillation


Lecture 25 - Cast Structure and Dendrite Size


Lecture 26 - Role of Chemistry - Part I


Lecture 27 - Role of Chemistry - Part II


Lecture 28 - Role of Segregation - Part I


Lecture 29 - Role of Segregation - Part II


Lecture 30 - Deleterious Effect of Phosphorus


Lecture 31 - Strength of Solidifying Strand


Lecture 32 - Brittle Zone Near Solidus


Lecture 33 - Strength and Toughness of Solid Shell


Lecture 34 - Role of Chemistry on Solidification Behaviour


Lecture 35 - Sticking vis-a-vis Depression Behaviour


Lecture 36 - Role of Chemistry on Bulging or Depression Tendency - Part I


Lecture 37 - Role of Chemistry on Bulging or Depression Tendency - Part II


Lecture 38 - Effect of Cast Grain Size


Lecture 39 - Brittle Temperature Regions


Lecture 40 - Typical Cracks and Defects - Part I


Lecture 41 - Typical Cracks and Defects - Part II


Lecture 42 - Remedial Measures to Control Defects - Part I


Lecture 43 - Remedial Measures to Control Defects - Part II


Lecture 44 - Remedial Measures to Control Defects - Part III


Lecture 45 - Grade - Specific Casting Parameters - Part I


Lecture 46 - Grade - Specific Casting Parameters - Part II


Lecture 47 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part I


Lecture 48 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part II


Lecture 49 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part III