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Course11210708940 lectures

Welding Engineering

Dr. D. K. Dwivedi · IIT Roorkee

Start with lecture 1 At NPTEL

Lectures

Introduction

  1. Introduction to Welding Engineering Video
  2. Classification of Welding Processes- I Video
  3. Classification of Welding Processes- II Video
  4. Sources of Heat and Protection of Weld pool Video
  5. Protection of Weld Pool Video

Physics of Welding Arc

  1. Introduction. Video
  2. Fundamentals of Arc Initiation Video
  3. Arc Maintenance & Arc Characteristics Video
  4. Arc Forces Video
  5. Arc Efficiency Video
  6. Melting Rate in Different Welding Processes Video

Welding Power Source

  1. Types of power sources and their characteristics- I Video
  2. Types of power sources and their characteristics- II Video

Arc Welding Processes

  1. SMAW- I Video
  2. SMAW- II Video
  3. GTAW- I Video
  4. GTAW- II Video
  5. PAW & SAW Video
  6. SAW Video
  7. GMAW Video
  8. Brazing, Soldering & Braze Welding Video
  9. Braze welding and Electroslag welding Video

Heat flow in welding

  1. Weld Thermal Cycle Video
  2. Effect of WTC and Cooling rate in welding Video
  3. Cooling rate Video
  4. Peak temperature & Solidification rate Video
  5. Residual stress- I Video
  6. Residual stress- II Video

Design of weld joints

  1. Introduction Video
  2. Type of joints and welds Video
  3. Edge preparation Video
  4. Design for static and fatigue loading Video
  5. Fatigue fracture of weld joints- I Video
  6. Fatigue fracture of weld joints- II Video

Inspection and testing of weld joint

  1. Introduction- Video
  2. DT & NDT Video

Weldability of Metal

  1. Understanding Weldability Video
  2. Reactions in weldment Video
  3. Weldability of Al alloys Video
  4. Failure analysis and prevention Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Roorkee
Department
Mechanical Engineering
Teacher
Dr. D. K. Dwivedi
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
Who can watch
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