GSCI 101 Dr. B. Augustine
Spring 2001 4/16/01
Name: _______________________________
JMU ID Number: ____________________________
Quiz #10: (LAST ONE…HOORAY!) Stress-Strain, Strengthening Mechanisms
1. Sketch and label stress-strain curves for a ductile and a brittle metal (there should be 2
curves on the axis below.).
Strain
Stress
Ductile
Brittle
Elastic
Region
Plastic
Region
Yield
Fracture
Point
2. Indicate on one of the curves from the prior question the elastic region, the plastic
region, the yield point, and the fracture point.
See above
3. Name two methods of strengthening a material.
Work or strain hardening
Alloy or precipitation hardening
Grain Boundary Hardening
