Course Details
Subject {L-T-P / C} : ME6231 : Laser Application in Manufacturing { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Manoj Masanta
Syllabus
Laser Fundamentals: spontaneous & stimulated emission/absorbtion, population inversion & pumping, cavity design, coherence and interference. Common industrial lasers and their output characteristics: CO2, Ruby, Nd-YAG, Nd-glass, excimer & Diode laser. Overview of laser Applications: Laser application in various fields, advantages & disadvantages, economics. Laser processing fundamentals: beam characteristics, optical components and design of beam delivery systems, absorption characteristics of materials, heat flow theory and metallurgical considerations. Cutting and drilling: Process characteristics, material removal modes, development of theoretical models and practical performance. Welding: Process mechanisms like keyhole & plasma, development of theoretical models, operating characteristics and process variation. Surface modification: heat treatment, rapid solidification, alloying and cladding, surface texturing, development of theoretical models, LCVD, LPVD. Special topics: detection and measurement of radiation, laser safety
Course Objectives
- To understand various types of laser for material processing
- application of different types of laser for various types of manufacturing process
Course Outcomes
Knowledge will be gained on the subject matter. <br />Able to apply the theory to practical problems. <br />Knowledge will be enhanced to implement the concept for product development.
Essential Reading
- W. M. Steen, Laser Material Processing, Springer
- Elijah Kannatey-Asibu, Principles of Laser Materials Processing, Wiley
Supplementary Reading
- N B Dahotre, S Harimkar, Laser Fabrication and Machining of Materials, Springer
- John Ion, Laser Processing of Engineering Materials: Principles, Procedure and Industrial Application, Butterworth- Heinemann