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Manufacturing Process Technology I

Manufacturing Process Technology I. Instructor: Prof. Shantanu Bhattacharya, Department of Mechanical Engineering, IIT Kanpur. This is an introductory level course in Manufacturing Process Technology. At the heart of any manufacturing system is a set of processes which change the size, shape and form of raw materials into the desirable thus giving an industrial nation the power of growing. This course is an introductory course for engineering professionals who would like to take up careers in manufacturing particularly at the process level and also for professionals who are already in manufacturing careers and would like to see the technological changes that the manufacturing processes have witnessed in the last about 5 decades. (from nptel.ac.in)

Lecture 23 - Principles of Cooling and Solidification of Casting

Concepts covered in this lecture: 1. Various solidification processes. 2. Estimation of solidification time. 3. Principle of cooling and solidification.


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Lecture 01 - Introduction
Lecture 02 - Structure of Matter (Bonding of Solids, Crystal Structures)
Lecture 03 - Brief Introduction of Non-conventional Machining Processes
Lecture 04 - Structure of Matter (Bonding of Solids, Crystal Structures)
Lecture 05 - Elastic and Plastic Deformation
Lecture 06 - Crystal Imperfection and Dislocation
Lecture 07 - Plastic Deformation
Lecture 08 - Material Properties, Stress Strain Diagram for Different Types of Materials
Lecture 09 - Friction and Wear, Solid Solutions
Lecture 10 - Equilibrium Phase Diagram
Lecture 11 - Iron-Carbon Equilibrium Phase Diagram
Lecture 12 - Control of Material Properties (Alloying and Heat Treatment), Mechanical Properties and Recrystallization
Lecture 13 - Introduction to Casting Process
Lecture 14 - Pattern and Mold Design
Lecture 15 - Mold Making Procedures
Lecture 16 - Fundamentals of Melting and Furnaces and Pouring and Gating Design
Lecture 17 - Vertical and Bottom Gating Systems
Lecture 18 - Numerical Estimation to Find Mold Filling Time and Mold Design
Lecture 19 - Effect of Friction and Velocity Distribution in Time of Filing
Lecture 20 - Numerical Design of Gating Systems using Frictional and Bending Losses
Lecture 21 - Principle of Cooling and Solidification in Single and Multiphase Systems
Lecture 22 - Estimation of Rate of Solidification
Lecture 23 - Principles of Cooling and Solidification of Casting
Lecture 24 - Modeling of Solidification Rates of Thin Casting in a Metal Mold
Lecture 25 - Solidification with Predominant Interface Resistance
Lecture 26 - Numerical Estimation of Solidification of Metal Mold
Lecture 27 - Solidification of Casting with Predominant Resistance in Mold and Solidified Metal
Lecture 28 - Solidification Time for Permanent Mold Casting
Lecture 29 - Solidification with Constant Casting Surface Temperature
Lecture 30 - Riser Design and Placement
Lecture 31 - Riser Design and Placement (cont.)
Lecture 32 - Riser Design and Placement (cont.)
Lecture 33 - Introduction to Machining Processes
Lecture 34 - Review of Basic Machining Processes and the Mechanics of Chip Formation
Lecture 35 - Estimation of Cutting Ratio and Shear Angle
Lecture 36 - Merchant's Force Analysis
Lecture 37 - Merchant Theory (Cutting Forces Analysis)
Lecture 38 - Merchant Theory (Forces Analysis)
Lecture 39 - Lee Shaffer's Solution
Lecture 40 - Specific Energy Model for Cutting
Lecture 41 - Modeling of Heat Generation and Cutting Tool Temperature
Lecture 42 - Temperature in Cutting and Built Up Edge Formation
Lecture 43 - Metal Cutting Operation
Lecture 44 - Tool Life and Tool Wear
Lecture 45 - Economics of Machining
Lecture 46 - Joining Process
Lecture 47 - Principle of Solid State Welding
Lecture 48 - Numerical Design of Welding Power Sources in Arc Welding