charpy impact test sample

charpy impact test sample

Impact Test
Impact test is carried out to find out relative toughness by a Charpy or Izod test method. These tests are named after their inventors. Notch-type specimens are used for the test. Generally two types of notches are used, the V notch (most commonly used) and the keyhole notch. The two types of specimens used (Charpy and Izod) are shown below.