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Defects in Materials

Defects in Materials. Instructor: Prof. Sundararaman M, Department of Metallurgical and Materials Engineering, IIT Madras. Defects play an important role in imparting properties to materials. It is also used to tailor the properties as well as in controlling the deformation behavior. Aim of this course is to give a brief introduction to the various types of defects and how their interaction can used to control the properties. (from nptel.ac.in)

Lecture 25 - Intrinsic Stacking Faults in FCC


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Lecture 01 - Introduction
Lecture 02 - 1D Lattice
Lecture 03 - 2D Lattice
Lecture 04 - 3D Lattice: Generation of 3-Dimensional Lattice
Lecture 05 - 3D Lattice (cont.)
Lecture 06 - 3D Lattice (cont.)
Lecture 07 - 3D Crystals
Lecture 08 - Types of Point Defects
Lecture 09 - Vacancy Concentration Determination
Lecture 10 - Vacancy Concentration Determination (cont.)
Lecture 11 - Point Defect Interstitial
Lecture 12 - Transformation of Coordinates
Lecture 13 - Tensor
Lecture 14 - Tensor (cont.)
Lecture 15 - Strain
Lecture 16 - Stress
Lecture 17 - Description of Dislocation
Lecture 18 - Description of Dislocation (cont.)
Lecture 19 - Stress Field around Dislocation
Lecture 20 - Self Energy of Dislocation
Lecture 21 - Force on Dislocation
Lecture 22 - Forces between Dislocation
Lecture 23 - Chemical Force on Dislocation
Lecture 24 - Perfect Dislocation in FCC Structures
Lecture 25 - Intrinsic Stacking Faults in FCC
Lecture 26 - Extrinsic Faults and Thompson Tetrahedron in FCC
Lecture 27 - Dislocations in BCC and HCP
Lecture 28 - Dislocations in Ordered Alloys and Dislocation-Dislocation Interaction
Lecture 29 - Twinning
Lecture 30 - Twinning (cont.)
Lecture 31 - Martensitic Transformation
Lecture 32 - Martensitic Transformation (cont.)
Lecture 33 - Interfaces
Lecture 34 - Interfaces (cont.)
Lecture 35 - Defect Interaction and Strength