Question

What is the slot angle of the izod impact test specimen?

• A. 45°
• B. 90°
• C. 75°
• D. 60°

Answer 1

Answer:

A. 45°

The Izod impact test is used to study material behavior under dynamic load conditions. The specimen is positioned like a cantilever beam with a V-notch at the center to initiate a crack. The notch angle in the Izod test specimen is 45°, giving non-uniform stress distribution and less accuracy. The Charpy test uses a simply supported beam with a centrally applied load and a notch to create a stress concentration.