Page 166 - Mechanical Behavior of Materials
P. 166
Section 4.8 Notch-Impact Tests 167
Figure 4.36 Charpy testing machine, shown with the pendulum in the raised position prior to
its release to impact a specimen. (Photo courtesy of Tinius Olsen Testing Machine Co., Inc.,
Willow Grove, PA.)
Figure 4.37 Broken Charpy specimens, left to right, of gray cast iron, AISI 4140 steel
tempered to σ u ≈ 1550 MPa, and the same steel at σ u ≈ 950 MPa. The specimens are 10 mm in
both width and thickness. (Photo by R. A. Simonds.)
