Feb 2005 w sol

Feb 2005 w sol - Applied Science 278 Midterm Examination -...

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Applied Science 278 Midterm Examination - October 18, 2000 1 THE UNIVERSITY OF BRITISH COLUMBIA Department of Metals and Materials Engineering APSC 278 Engineering Materials MID-TERM EXAMINATION, October 18, 2000 Name: Student #: This is a closed book examination.
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Applied Science 278 Midterm Examination - October 18, 2000 2 Definitions (8) 1. Define 4 of the following terms: Close packed plane - the atomic plane of highest possible packing density Toughness The area under the complete stress-strain curve = work done per unit volume to failure Burgers Vector - defines the lattice distortion associated with a dislocation or - equivalent to the unit of slip caused by the motion of a dislocation from one side of the crystal to the other Dislocation density - defined as: the total dislocation line length / the volume of the crystal Screw Dislocation - dislocation where the line of the dislocation and the Burgers vector are parallel Modulus of Resilience - measure of a material’s ability to store elastic energy , i.e. 2 2 1 2 E U y y r σ ε = × =
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Applied Science 278 Midterm Examination - October 18, 2000 3 Short Answers (4) Identify the Miller Indices for each of the following planes. Show all steps in the identification process.
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This note was uploaded on 03/28/2012 for the course APSC 278 taught by Professor Poole during the Spring '08 term at UBC.

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Feb 2005 w sol - Applied Science 278 Midterm Examination -...

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