Course Details
Subject {L-T-P / C} : MM3202 : Mechanical Properties of Materials { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Snehanshu Pal
Syllabus
Tensile Behaviour of Metals: True stress-true strain curve, Strain hardening coefficient, Instability in tension, Effect of
strain rate and temperature on flow properties. Fracture: Theoretical cohesive strength of metals, Griffith’s theory
of brittle fracture, Mechanism of brittle and ductile fracture, Fractographic aspects of fracture, Notch effects. Impact
Behaviour: Notched bar impact test, Transition temperature phenomenon, Factors affecting transition temperature
Fracture Mechanics: Strain energy release rate, Stress intensity factor, Plane strain fracture toughness, Design
approach Fatigue: Micromechanisms of crack initiation and growth, Stress and strain approaches of fatigue, Fracture
mechanics approach, Fatigue crack growth Environmental Assisted Cracking: Stress corrosion cracking, Hydrogen
embrittlement, Corrosion fatigue. Creep: Creep curves, Mechanisms of creep, Stress rapture test, Life prediction, High
temperature alloys. Composites: Fracture and fatigue of composites.
Course Objectives
- To provide the student a fundamental understanding and appreciation for the relationship between the structure and mechanical behavior of materials.
- To provide the student a knowledge for rationalizing, predicting, modifying and describing the mechanical behavior of materials
Course Outcomes
1.The students will acquire the knowledge of stress strain behavior. <br />2. The students will acquire the knowledge of elasticity and plasticity concepts. <br />3. The students will acquire the knowledge of defects and defect evolution during deformation. <br />4. The students will understand creep deformation behavior of materials <br />5. The students will understand fatigue and fracture concepts. <br />6.The students will be able to select different materials as per desired tensile, fatigue, fracture, creep properties of materials.
Essential Reading
- G E Dieter, Mechanical Metallurgy, McGraw - Hill Publication
- R W Hertzberg, Deformation and Fracture Mechanics of Engineering Materials, John Wiley & Sons Publication
Supplementary Reading
- William F Hosford, Mechanical Behavior of Materials, Cambridge University Press
- W. Soboyejo, Mechanical Properties of Engineering Materials, Marcel Dekker Publication
Journal and Conferences
- Most of the Journal articles of Materials Science and Engineering A
- Some of the Journal articles of Acta Materillia