Course on Material Science
About Course
Material science is the foundation course for almost all branch of engineering. The subject deals with the fundamental study of crystal, atomic structure and mechanical behaviour of materials.Concept of formation of alloys, phase diagrams, Mechanism of solidification, Homogenous and Heterogeneous nucleation and crystal growth in materials are discussed in detail.Deformation characteristic under different loading conditions and mechanisms of strengthening in metals is most important in the selection of materials for any engineering applications. Study of different types of loading and the corresponding failure mechanism is critical in almost all engineering/consumer products from durability point of view is been elaboratively discussed. To improve the system/product performance processes of heat treatment of various alloys and their effectiveness for strengthening the materials is of importance. Understanding the properties and potentialities of various materials available and material selection procedures are also been discussed.
Course Content
Introduction to Crystal Structure, Mechanical Behaviour
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Introduction to Crystal Structure: Coordination number, atomic packing factor, Simple Cubic, BCC,FCCand HCP Structures, Crystal imperfections–point, line, surf ace and volume imperfections. Atomic Diffusion: Phenomena on, Fick’s laws of diffusion (First and Second Law);Factors affecting diffusion.
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Mechanical Behaviour: Stress-strain diagrams showing ductile and brittle behaviour of materials, Engineeringstress and true strains, Linear and non- linear elastic behaviour and properties, Mechanical properties in plastic range: Stiffness, Yield strength, Offset Yield strength, Ductility, Ultimate Tensile strength, Toughness. Plastic deformation of single crystal by slip and twinning, Mechanisms of strengthening in metals.
Concept of formation of alloys, Phasediagrams, Solidification
Heat Treatment, Ferrous and Non-Ferrous Alloys
Composite Materials
Failure of Materials
Other Materials,Material Selection
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