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Unformatted text preview: a. glide of dislocations b. climb of dislocations c. grain growth (b ) 4. Fracture toughness of a material is always tested with samples of larger thickness because the value is dependent a. only upon stress b. only on crack size c. only on microstructure (c ) 5. Drastic changes in the properties of a material after cold working are obtained during a. recovery b. recrystallization c. grain growth (b ) Bonus Hardness of metals and alloys is a measure of a. ductility b. strength c. work hardening ( c)...
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This note was uploaded on 10/11/2009 for the course MSE 200 taught by Professor Wholedepartment during the Spring '08 term at N.C. State.
- Spring '08