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Metal Casting

Metal Casting. Instructor: Dr. D. B. Karunakar, Department of Mechanical and Industrial Engineering, IIT Roorkee. This course is an elective subject for manufacturing students. The subject comprises a little wider and deeper on the manufacturing techniques by casting process. It covers bigger spectrum for manufacture products by the casting techniques with required attributes specified for certain purpose such as intricacy, features detail, soundness and others. Among topics or issues include in this course are liquid metals, solidification, molding material, casting design, production techniques, Metal melting and treatment, and casting quality and evaluation. (from nptel.ac.in)

Lecture 25 - Solidification


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Introduction and Overview
Lecture 01 - Introduction
Lecture 02 - Overview of Different Casting Processes 1
Lecture 03 - Overview of Different Casting Processes 2
Lecture 04 - Overview of Different Casting Processes 3
Sand Casting Process
Lecture 05 - Terminology and Tools of Sand Moulding
Lecture 06 - Moulding Sands and Design
Lecture 07 - Moulding Sands and Design (cont.)
Lecture 08 - Moulding Sand Properties
Lecture 09 - Moulding Sand Properties Testing
Lecture 10 - Cores and Core Sands
Lecture 11 - Patterns and Allowances
Lecture 12 - Steps involved in Making a Sand Casting
Lecture 13 - Design Of Risering System: Caine's Method, Modulus Method, Chvorinov's Rule
Lecture 14 - Design Of Risering System: Naval Research Laboratory Method
Lecture 15 - Design Of Risering System: NRL Method (cont.)
Lecture 16 - Design Of Risering System: Feed Metal Volume, Riser Efficiency, Feeding Distance
Lecture 17 - Design Of Risering System: Feeding Length, Bottle Risering, Safety Margin
Lecture 18 - Design of Gating System
Lecture 19 - Design of Gating System (cont.)
Lecture 20 - Sand Casting Defects
Lecture 21 - Sand Casting Defects (cont.)
Melting, Fluidity and Solidification
Lecture 22 - Melting Furnaces and Practice
Lecture 23 - Treatment of Molten Metal
Lecture 24 - Fluidity of Molten Metal
Lecture 25 - Solidification
Common Cast Alloys
Lecture 26 - Cast Irons and Steels
Lecture 27 - Aluminium and Magnesium Cast Alloys
Lecture 28 - Copper, Zinc and Titanium Cast Alloys
Permanent Mould and Special Casting Processes
Lecture 29 - Die Casting Process
Lecture 30 - Die Casting Process (cont.)
Lecture 31 - Investment Casting Process
Lecture 32 - Investment Casting Process (cont.)
Lecture 33 - Continuous Casting Process
Lecture 34 - Centrifugal Casting Process
Lecture 35 - Evaporative Pattern Casting and Plaster Moulding
Lecture 36 - Vacuum Sealed Moulding and Squeeze Casting
Finishing Design and Environment
Lecture 37 - Shakeout, Fettling and Finishing
Lecture 38 - Inspection, Testing and Quality Control
Lecture 39 - Design Considerations and Economics
Lecture 40 - Environment, Health and Safety Aspects