Materials Technology

Product: Theory Subject
Categories: Diploma

Features Includes:

  • 195 - 3D/2D Animation
  • 602 Pages of Content
  • 90 Lecture Hours
  • 3 Solved Problems
  • 268 Quiz
  • Suitable for All Technical University Syllabus

Course Description

This course enable the learners to understand the properties of metals, testing of materials, thermal equilibrium diagram, methods of producing iron and steel, non-ferrous metals and their alloys and corrosion and its prevention.

OBJECTIVES:

  • Student will be able to understand the mechanical properties of metals and testing of materials
  • Understand the structure of metals and alloys
  • Understand the thermal equilibrium diagram
  • Know the methods of producing iron and steel
  • Know the plain carbon steels and alloy steels
  • Understand non-ferrous metals and their alloys
  • Know the common miscellaneous materials
  • Understand corrosion and its prevention
UNIT - I INTRODUCTION TO MATERIALS TECHNOLOGY

Engineering material - Introduction -Requirements of engineering materials. Classification of engineering materials - Classification of engineering materials - Applications of metals and non-metals. Engineering materials and applications - Engineering materials - Technological properties.

UNIT – II MECHANICAL PROPERTIES OF METALS AND TESTING OF MATERIALS

Mechanical properties of metals - Mechanical properties. Types of testing - Introduction - Classification of tests - Destructive tests - Non-destructive tests - Destructive tests vs. Non-destructive tests. Tensile test - Universal Testing Machine (UTM) - Tensile test - Results of tensile test - Example. Compression test - Compression test. Types of impact test - Types of impact test. Brinell hardness test - Hardness tests - Brinell hardness test. Vickers hardness test - Vickers hardness test. Rockwell hardness test - Rockwell hardness test - Hardness number - Comparison. Radiography test - Radiography. Gamma-ray radiography test - Gamma-ray radiography. Ultrasonic testing - Ultrasonic testing. Magnetic particle and penetrant testing - Magnetic particle testing - Penetrant testing.

UNIT – III STRUCTURE OF METALS AND ALLOYS

Unit cell - Space lattice - Simple cubic structure. Bravais lattice and crystal systems - Bravais lattice - Crystal systems. FCC, BCC, HCP - Face-centered cubic (FCC) structure - Body Centered Cubic (BCC) structure - Hexagonal close pack system. Factors promoting grains size and crystallization - Factors promoting grain size - Crystallization. Grain - Formation of grains by dendritic growth - Effect of rate of cooling on grain formation - Effect of grain size on mechanical properties.

UNIT – IV THERMAL EQUILIBRIUM DIAGRAM

Solid solution and chemical compound - Alloys - Solid solution - Solid solution vs liquid solution - Types of solid solutions - Interstitial solid solution - Substitutional solid solutions - Phase rule - Phase. Allotropic forms of pure iron - Cooling curve for pure metals - Allotropic forms and cooling curve of pure iron - Critical points. Micro-Constituents of iron, carbon, and steel - Micro-constituents of iron and carbon alloy - Steel. Iron-carbon equilibrium diagram - Iron-carbon equilibrium diagram - Important points in iron-carbon equilibrium diagram. Calculating percentages of phases - Calculating percentages of phases - Transformation of a eutectoid steel.

UNIT-V PRODUCTION OF IRON AND STEEL

Raw materials for production of iron - Introduction to raw materials - Raw materials used in production of iron and steel. Manufacturing of pig iron in blast furnace - Iron making - Manufacture of pig iron in blast furnace - Operation of blast furnace. Production of cast iron - Cupola furnace - Cupola operation. Production of steel - Introduction - Making of steel - Process of making of steel. Bessemer process - Bessemer process - Bessemer converter - Reactions on Bessemer process. L.D process - L.D process - Operation of Linz Donawitz(L.D) process. Arc furnace - Electric process - High frequency electric furnace. White cast iron - Types of cast iron - White cast iron - Applications of white cast iron. Grey cast iron - Grey cast iron - Applications of Grey cast iron. Malleable cast iron - Malleable cast iron - Applications of malleable cast iron. Spheroidal graphite cast iron - Spheroidal graphite cast iron - Applications of spheroidal graphite cast iron. Alloy cast iron - Alloy cast iron.

UNIT-VI PLAIN CARBON AND ALLOY STEELS

Plain carbon steel - Alloys of iron with carbon - Plain carbon steel - Classification of plain carbon steel. Alloying steel - Alloying steel - Effect of alloying elements. Alloy steel - Alloy steel - Classification of alloy steels - Plain carbon and alloy steels - Molybdenum steel - Nickel steel - Chromium steel - Silicon steel - Silicon manganese steel - Manganese steel - Cobalt steel. Engineering applications of steels - Stainless steels - Types of stainless steels - Invar steels - Chromium steels - Selection of proper alloy steel.

UNIT-VII NON FERROUS METALS AND THEIR ALLOYS

Non-ferrous metals - Ferrous alloys - Non-ferrous metals - Classification of non-ferrous alloys - Lead - Titanium - Titanium alloy - Zirconium. Aluminium - Aluminium- Properties of aluminium alloy - Application of Al and Al-alloys - Aluminium alloys - Duralumin - Magnalumin. Copper and copper alloys - Copper - Uses of copper - Properties of copper alloys - Copper and copper alloys. Brass and bronzes -Brass - Classification of brass - Bronzes - Gunmetal - Bearing materials. Tin and zinc - Tin - Zinc. Nickel alloys - Nickel - Nickel alloys - Inconel - Super alloy - Nichrome.

UNIT-VIII MISCELLANEOUS MATERIALS

Glass and its types - Glass - Types of glass - Glass lining for process equipment. Carbon - Carbon -Carbon element. Graphite - Graphite - Classifications of graphite. Stoneware -Stoneware - Properties of stoneware - Types of stoneware - Uses of stoneware. Asbestos - Asbestos - Applications of asbestos. Rubber - Elastomers or rubber - Fundamental properties of elastomers or rubbers - Applications of rubbers. Polymers - Polymer - Polymerisation - Classification of polymers - Applications of polymers. Refractories - Introduction to refractories - Need and selection of refractories - Classification of refractory materials - Properties of refractory materials - Properties of refractories. Glass ceramics - Glass-ceramics - Ceramites - Glass wool.

UNIT-IX CORROSION

Corrosion - Corrosion - Causes of corrosion - Types of corrosion. Electrochemical theory - Electrochemical or wet corrosion - Hydrogen evolution corrosion - Corrosion slightly alkaline environment. Electrode potential - Electrode potential - Passivity. Electrochemical series - Electrochemical series - Features of the electrochemical series - Polarization. Uniform and stress corrosion - Types of corrosion - Uniform corrosion - Example of uniform corrosion - Stress corrosion - Stress corrosion. Pitting and crevice corrosion - Pitting corrosion - Crevice corrosion. Hydrogen attack and bimetallic corrosion - Hydrogen attack - Example of hydrogen attack - Bimetallic corrosion. Grain boundary and fatigue corrosion - Grain boundary corrosion - Fatigue corrosion - Mechanism of corrosion fatigue. Methods of prevention of corrosion - Methods of prevention of corrosion - Proper design of material components. Anodic and cathodic protection - Anodic protection - Cathodic protection - Comparison of cathodic protection with anodic protection - Inhibitors - Anodic inhibitors - Cathodic inhibitors. Surface coatings - Introduction - Organic coatings - Inorganic coatings.