Stress and strain diagram

1. BY :- YOGENDRA KUMAR

2. GAUGE LENGTH
FORCEFORCE
STRAIN
STRESS
P
E
Y1
Y2
U
F
STRAIN HARDENING NECKING
O-P=PROPORTIONAL CURVE
E=ELASTIC LIMIT
Y1=UPPER YIELDING POINT
Y2=LOWER YIELDING POINT
U=ULTIMATE STRENGTH
F= FRACTURE POINT
O

3. STRESS AND STRAIN CURVE FOR BRITTLE MATERIAL