Impact/Charpy testing of materials is a type of testing used to measure the impact resistance of a material. This type of testing is used to determine the material's ability to absorb energy when it is subjected to a sudden force. It is used to measure the fracture toughness of a material and to determine its suitability for use in applications that require high-impact resistance.
The test is performed by striking a sample of the material with a pendulum and measuring the amount of energy absorbed by the material. The energy absorbed by the material is then compared to the energy that was initially supplied to the pendulum. This comparison helps to determine the fracture toughness of the material. The test is usually performed at different temperatures to determine the material's ability to absorb energy at different temperatures.
Impact/Charpy testing is an important tool for determining the suitability of a material for use in applications that require high-impact resistance. It helps to ensure that the material will be able to withstand sudden forces and will not fail prematurely. It is also used to compare different materials and to determine which material is best suited for a particular application. This type of testing is used in a variety of industries, including aerospace, automotive, and construction.