JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objectives: To provide hands on experience to prepare the samples for metallographic analysis and understand the basic constituents of microstructures.

Course Outcomes

By completing this laboratory course, students will :

• Get to know and gain hands on experience with various techniques of sample preparation for metallographic analysis of metals and alloys
• Be able to analyse the hardness of different constituents of microstructure using different hardness testers
• Obtain knowledge of quantitative analysis, such as grain size, volume fraction of second phases. List of experiments:
• 1. Study of metallurgical microscope
• 2. Metallographic preparation of metals and alloys
• 3. Microscopic examination and microstructure interpretation of steels
• 4. Microscopic examination and microstructure interpretation of nonferrous metals
• 5. Microscopic examination and microstructure interpretation of heat treated steels
• 6. Microscopic examination and microstructure interpretation of cast structures
• 7. Microscopic examination and microstructure interpretation of wrought structures
• 8. Microscopic examination and microstructure interpretation of welded structures
• 9. Microscopic examination of defects and failures in components
• 10. Conduct of Hardness testing of metals on Vickers scale List of equipment:
• 1. Metallurgical microscopes, 2. Belt grinders, 3. Disc polishers, 4 Vickers Hardness tester
• 5. Metallographic Samples (Ferrous and Non-Ferrous) TEXT Books:
• 1. R. Haynes, 1984, Springer science + Business Media, New York
• 2. Douglas B. Murphy, 2001, Wiley-Liss, Inc. USA R18 B.TECH MME