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Unformatted text preview: HOMEWORK 5 Due Date: June 23, 2010 Name __________________________________ PART A. DEFINITIONS/NOMENCLATURE (5 POINTS - 1 POINT EACH) 1. The energy of a dislocation is proportional to _____________________. 2. The motion of an edge dislocation that occurs when vacancies migrate to the extra half plane of atoms is referred to as _________________________________________. 3. A two-dimensional defect composed of a regular array of edge dislocations is referred to as a(n) _________________________________________. 4. The increase in the flow stress resulting from plastic deformation is usually called _________________________________. 5. The Burgers vector of a _____________________ dislocation is parallel to the dislocation line. PART B. CIRCLE THE APPROPRIATE ANSWER (10 POINTS - 1 POINT EACH) 1. Increasing the grain size decreases / increases the strength of a metal or alloy. 2. When r solute < r solvent the tendency is for the solute to segregate to the compression / tension side of the dislocation.side of the dislocation....
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This note was uploaded on 09/12/2011 for the course MSE 2001 taught by Professor Tannebaum during the Fall '08 term at Georgia Institute of Technology.
- Fall '08