Engineering Materials and Manufacturing processes

Features Includes:

  • 165 - 3D/2D Animation
  • 620 Pages of Content
  • 90 Lecture Hours
  • 5 Solved Problems
  • 280 Quiz
  • Suitable for All Technical University Syllabus

Course Description

This learning course explains about the mechanical properties and its testing procedures, Iron-Carbon equilibrium diagram, Manufacturing methods of iron and steel, Heat treatment, Classification of ferrous and non ferrous metals and their alloys, Welding, Lathe and its types.

OBJECTIVES:

  • Understand the mechanical properties and its testing procedures
  • Understand the construction of Iron-Carbon equilibrium diagram
  • Understand the manufacturing methods of iron and steel
  • Comprehend the need of heat treatment
  • Appreciate the classification of ferrous metals and non-ferrous metals and their alloys, applications
  • Understand the principle of joining metals by fusion and explain welding processes of metals
  • Understand the construction and working principle of lathe with line sketch
  • Understand the working principle of capstan and turret lathes
UNIT - I MECHANICAL PROPERTIES AND TESTING OF MATERIALS

Importance of Engineering Materials -Introduction - Classification of Engineering Materials - Metals - Non Metals - Importance/Requirements of Engineering Materials. Engineering Materials and Applications - Engineering Materials - Technological Properties. Mechanical Properties - Mechanical Properties. Types of Testing - Introduction - Classification of Tests - Destructive Tests - Non-Destructive Tests - Tensile Test - Formulas in Tensile Test - Example. Compression Test - Compression Test. Impact test - Impact Test - Impact Testing Machine - Types of Impact Test - Calculation of Energy Relations - Comparison between Izod and Charpy test. Fatigue Test - Fatigue Test - Results of Fatigue Test. Hardness Test - Hardness Test - Brinell Hardness Test - Vickers Hardness Test - Rockwell Hardness Test - Comparison of Hardness Test. Non-Destructive Tests - Non-destructive Tests - Magnetic Particles Testing - Radiography - X-ray Radiography - Gamma-ray Radiography - Ultrasonic Testing - Spark Stream Testing.

UNIT – II IRON - CARBON EQUILIBRIUM DIAGRAM

Unit Cell and Space Lattice - Unit Cell - Lattice Parameters of Unit Cell - Space Lattice - Simple cubic structure. Types of Space lattice - Body Centered Cubic (BCC) Structure - Hexagonal Close Packed (HCP) Structure. Cooling Curves of Pure Iron - Difference between pure metal and alloy - Cooling curve of a pure metal - Solid solution - Hume-Rothery rules - Chemical compound. Allotropic forms of pure iron - Allotropic forms of pure iron - Critical points. Iron-Carbon Equilibrium Diagram - Micro-Constituents of Iron and Carbon Alloy - Iron-Carbon Equilibrium Diagram - Important Points in Iron-Carbon Equilibrium Diagram - Calculating Percentages of Phases

UNIT – III MANUFACTURE OF IRON AND STEEL

Introduction to Raw Materials - Introduction to Raw Materials - Raw Materials Used in Production of Iron and Steel. Manufacturing Cast Iron in Cupola Furnace - Cupola Furnace - Operation and Advantages of Cupola Furnace. Steelmaking - Steelmaking - Process of steelmaking - Bessemer process - Bessemer process- Bessemerconverter. Linz Donawitz Process - Linz Donawitz (L.D) Process - Operation of Linz Donawitz (L.D) process. Open hearth Furnace - Working process of Open hearth Furnace - Basic Process of Open hearth Furnace - Electric Arc Furnace - Electric Process - Advantages of Arc Furnace - High Frequency Electric Arc Furnace - High Frequency Electric Arc Furnace - Advantages of High Frequency Electric Arc Furnace - High Frequency Electric Furnace.

UNIT – IV HEAT TREATMENT

Introduction to heat treatment - Heat treatment - Typical heat treating cycle - Heat treating processes. Introduction to Heat Treatment - Introduction - Introduction to Annealing - Introduction to Annealing - Purpose of Annealing. Types of Annealing - Types of Annealing - Full Annealing - Process Annealing. Normalizing - Introduction - Purpose of Normalizing. Hardening - Hardening. Hardening Methods - Hardening Methods. Tempering - Tempering - Process of Tempering - Classification of Tempering. Case Hardening - Introduction - Types of Case Hardening. Nitriding - Nitriding - Applications and Advantages. Carburising - Carburising - Pack Carburising. Gas Carburising - Gas Carburising. Liquid Carburising - Liquid Carburising.

UNIT-V FERROUS AND NON-FERROUS METALS AND ALLOYS

Introduction to Ferrous Metals - Introduction - Classification of Ferrous Materials. White Cast Iron - White Cast-Iron. Grey Cast Iron - Grey Cast-Iron. Nodular Cast-Iron - Nodular Cast-Iron. Malleable and Alloy Cast-Iron - Malleable Cast-Iron - Alloy Cast Iron. Types of Plain Carbon Steel - Low Carbon Steel - Medium carbon Steel - High carbon Steel. Alloy Steel - Alloy Steel - High Speed Steel. Stainless Steel - Stainless Steel - Austenite Stainless Steel - Ferrite Stainless Steel - Martensitic Stainless Steel. Use of Non-ferrous Metals and Alloys - Non–Ferrous Metals and Alloys - Role of Non Ferrous metals. Compositions, Properties and Applications of Alloy Steels - Aluminum Alloys - Magnesium Alloys - Copper and Copper Alloys. Compositions, Properties and Applications of Alloy Steels - Bronzes - Nickel and Nickel Alloys - Chromium Alloys. Alloy Steel for Engineering Application - Aluminum Alloys - Ferrous Alloys - Titanium Alloys - Ni-base Super Alloys - Engineering Alloys Applications. Tin and Zinc - Tin - Zinc - Lead.

UNIT-VI WELDING

Welding - Welding - Types of Welding - Classification of Welding Process. Electric Arc Welding - Principle of Electric Arc Welding - Arc Welding Equipment - Safety Equipment. Metal Arc Welding - Metal Arc Welding - Setup for the Metal Arc Welding. Atomic Hydrogen and Submerged Arc Welding - Atomic Hydrogen Welding - Submerged Arc Welding. TIG and MIG Welding - Tungsten Inert Gas (TIG) Welding - Metal Inert Gas (MIG) Welding. Resistance Welding - Principle of Resistance Welding - Spot Welding - Resistance Seam and Butt Welding - Resistance Seam Welding - Resistance Butt Welding. Principle of Gas Welding - Principle of Gas Welding - Types of Oxy-acetylene Welding - Equipment Used in Oxy-acetylene Welding. Types of Oxy-acetylene Gas Flames - Types of Oxy-acetylene Gas Flames - Techniques of Gas Welding - Welding Practice and Safety. Welding Rods and Fluxes - Welding Rods and Specifications - Types of Electrode - Fluxes.

UNIT-VII LATHE AND LATHE WORK

Introduction and Working Principle of Lathe - Introduction to Lathe - Working Principle of Lathe. Classification of Lathe - Classification of Lathes. Line Diagram and Specification of Lathe _ Engine Lathe or Centre Lathe - Specification. Functions and Parts of Lathe - Functions and Parts of Lathe - Head stock - Head stock mechanism - Tail stock. Functions and parts of lathe - Carriage - Tool post - Apron - Feed and Lead screw. Lathe Operations - Lathe Operations - Facing - Turning. Lathe Operations - Lathe Operations.Taper turning methods and thread cutting - Taper turning by Tail stock set over method - Calculation of Set over - Example 1 - Example 2 -Example 3 - Thread Cutting - Thread cutting using lead screw mechanism - Gear Train for Screw Cutting - Types of Threads - Example 4.

UNIT-VIII CAPSTAN AND TURRET LATHE

Capstan and Turret lathe - Turret Lathe - Capstan Lathe - Differences between Turret and Capstan Lathes. Work Holding Devices - Work holding devices used on lathe - Chucks - Lathe Centers. Work Holding Devices - Carriers - Face Plate - Angle Plate - Mandrels - Rests. Lathe Tool Holding Devices - Tool Holding Devices - Straight Cutter Holder - Form Tool - Turret Indexing Mechanism.