Upload
ngokhanh
View
215
Download
2
Embed Size (px)
Citation preview
MT506 Mechanical properties of materials & its evaluation: L‐T‐P‐C (3‐0‐2‐4) Principles involved in: Hardness Test: Types of Hardness Test, Brinell hardness, Analysis of indentation, Relationship between Hardness and the Flow Curve; Vicker’s Hardness, Rockwell Hardness, Micro and Nano hardness tests, Hardness Conversion Relationship; Hardness at elevated Temperature. Tensile Test: Specimen Geometry, Engineering and True Stress‐Strain Curves, Evaluation of Tensile Properties, Strain Hardening and Plastic Instability. Testing Machines, Strain and Load Measuring Devices, Temperature and Strain Rate Effects. Torsion Test: Mechanical Properties in Torsion, Torsional Stresses for Large Plastic Strains, Types of Torsion Failure, Tension Test Vs. Torsion Test, Hot Torsion Testing. Impact Test: Notched Bar Impact Tests, Instrumented Charpy Test, Significance of Transition Temperature Curve, Metallurgical Factors affecting Transition Temperature Fracture Toughness Test: Strain Energy Release Rate, Stress Intensity Factor, Fracture Toughness and Design, KIC Plane Strain Toughness Testing, Plasticity Corrections. Creep Test: Creep Curve, Stress Rupture Test, Structural Changes During Creep, Mechanism of Creep, Fracture at Elevated Temperatures, Prediction of Long Time Properties. Fatigue Test: S‐N Curve, Cyclic stress strain Curve, Low Cycle Fatigue, Effect of Stress concentration on Fatigue, Effect of Metallurgical Variables on Fatigue.
Unusual properties of ceramics, testing of ceramics. Non destructive testing of materials. Reference Books:
1. Dieter G.E., Mechanical Metallurgy, Tata McGraw Hill. 2. Patratia Han (ed), Tensile Testing, ASM. 3. Boyer H.E. (ed), Hardness Testing, ASM. 4. Metals Handbook, 9th edition Vol. 8, Mechanical Testing, ASM. 5. Halmshaw R., Non Destructive Testing, Gordon & Breach.