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Defects in Materials, 27-202, Fall 2006

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27-202
Fall 2006

Defects in Materials

Course Description, Undergraduate Catalogue

Defects have a fundamental influence on the properties of materials. For example, the strength and deformation of materials, the electrical and optical properties of materials, and the rates of diffusion in solids are all determined by the population of intrinsic and extrinsic defects. The objective of this course is to define approaches to quantifying the populations and properties of defects in crystals. The course will be divided into three sections: point defects, dislocations, and planar defects. The formation of point defects and their influence on diffusion and electrical and optical properties will be considered. The properties and characteristics of dislocations and dislocation reactions will also be presented. Dislocations in different crystal systems and the role of dislocations in deformation will be discussed. The crystallography and energetics of planar defects and interfaces will also be described.

Corequisite: 27-100, Pre-requisite: 21-122.

Update Note: Some consideration will be given to volume defects, with respect to their behavior in composite materials so that we cover the entire spectrum of material and defect types. I have a feeling that this might be asking too much out of a 6 unit course semester, but we'll give it a try.