Page 154 - Mechanical Behavior of Materials
P. 154
Section 4.6 Compression Test 155
σ
200 MPa (29 ksi)
0.008
ε
7075 - T651 Al
Figure 4.25 Initial portions of stress–strain curves in tension and compression for
7075-T651 aluminum.
X Break
10
PMMA Tension
0
σ, Stress, ksi
-10
Compression
No break
-20
-0.2 -0.1 0 0.1
ε, Strain
Figure 4.26 Stress–strain curves for plexiglass (acrylic, PMMA) in both tension and
compression. (Adapted from [Richards 61] p. 153; reprinted by permission of PWS-Kent
Publishing Co., Boston.)
