JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objectives: To obtain knowledge on various mechanical testing machines, and mechanical testing methodology.

Course Outcomes

After completing the course, the student will be able

• To extract and interpret sensible information from mechanical test data.
• To give explanation on relationships between metallurgy of the metals and their mechanical properties.
• To perform mechanical testing of metals (Hardness, tension and Impact)
• To select metals for engineering applications.
• To design metals for engineering applications. List of experiments:
• 1. To determine the Brinell Hardness of ferrous and non-ferrous samples.
• 2. To determine the Rockwell hardness of ferrous and non-ferrous samples.
• 3. To determine the hardness of ferrous and non-ferrous samples by using Vickers hardness tester.
• 4. To Determination of hardness profile across weldments
• 5. To determine the elastic modulus, ultimate tensile strength, breaking stress, percentage
• 6. elongation percentage reduction in area of the given specimen by tensile test.
• 7. To plot True stress Vs True stain and compare with engineering stress strain curve by tensile test.
• 8. To determine the modulus of rigidity of given material by torsion test
• 9. To determine the Charpy and Izod (V & U Groove notch) impact strength of a given material at room temperature.
• 10. To determine the fatigue strength of given material at a given stress List of equipment:
• 1. Brinell Hardness Machine 2. Vickers Hardness Machine 3. Rockwell Hardness Machine 4. UTM, 5. Torsion Testing Machine 6. Impact Testing Machine 7. Fatigue Testing Machine TEXT Books:
• 1. Appropriate ASTM standards to be followed to understand associated theory.
• 2. Mechanical Metallurgy by George E Dieter, McGraw-Hill Education; 3rdedition June 1986 R18 B.TECH MME