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Saturday, December 8, 2012

ML3017 LASER PROCESSING OF MATERIALS SYLLABUS | ANNA UNIVERSITY BE MATERIALS SCIENCE AND ENGINEERING 8TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013

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ML3017 LASER PROCESSING OF MATERIALS SYLLABUS | ANNA UNIVERSITY BE MATERIALS SCIENCE AND ENGINEERING 8TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY 8TH SEMESTER B.E MATERIALS SCIENCE ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009

ML3017 LASER PROCESSING OF MATERIALS L T P C
3 0 0 3
OBJECTIVES
Students are to be trained in modern laser processing methods that include machining
and cutting, but also a way of localized heat treatment not available with conventional
ways of introducing heat in a metal.
UNIT I LASER SYSTEMS 9
Laser beam characteristics – laser principles – High power lasers for materials
applications – principles and working of CO2, Nd:YAG and Excimer laser – Optics for
irradiation
UNIT II THERMAL PROCESS IN INTERACTION ZONES 9
Laser Materials processing parameters – conduction and convection – Analytical models
in one dimensional heat flow – depth of irradiation with respect to energy density –
reflectivity of material with respect to wave length – rate of heating, cooling and
temperature gradient.
UNIT III LASER METALLURGY 9
Laser surface treatment – transformation hardening - rapid quenching – Methods to
obtain desired penetration depths – Laser surface alloying – Laser surface cladding –
shock hardening – advantages of laser surface treatment – industrial applications-
Experimental set up.
UNIT IV LASER CUTTING AND DRILLING 9
Laser instrumentation for cutting and drilling – cut quality and process characteristics –
methods of cutting – practical performance – process variations – industrial applications
of Laser cutting and drilling.
UNIT V LASER WELDING 9
Process mechanisms (Key hole and Plasmas) – operating characteristics – process
variations – imperfections- industrial applications –recent developments
TOTAL : 45 PERIODS
75
TEXT BOOK:
1. Wilson J., Hawkes J. F. B.,“Optoelectronics – An introduction”, Prentice Hall of India
Pvt. Ltd., New Delhi, 1996.
REFERENCES:
1. John C. Ion, “Laser Processing of Engineering Materials”, Elsevier Butter Worth-
Heinemann, Burlington, 2005.
2. Steen W. M., “Laser Materials Processing”, Springer Verlag,3 rd edition U.K., 2003.
3. Rykalin, Ugloo A., Kokona A.,“Laser and Electron Beam Material Processing”,
Handbook, MIR Publishers, 1987.
4. Reddy J. F., “High power laser applications”, Academic Press, 1977.
5. Duley W. W., “Laser Processing and Analysis of Materials”; Plenum Press, New
York, 1983.

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