ASTM E23 Test for Notched Bar Impact Testing of Metals

ASTM E23 test method describes notched-bar impact testing of metals by the Charpy (simple-beam) test and the Izod (cantilever-beam) test.

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ASTM E23 Test for Notched Bar Impact Testing of Metals

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Frequently Asked Questions

ASTM E23 establishes standard methods for determining the impact resistance of materials, especially metals, through notched bar testing.

The standard specimen for conducting the Charpy impact testing is a rectangular bar with 55 mm length × 10 mm width × 10 mm thickness and has either a V-notch or U-notch machined in its center.

Metals like steel, aluminum, titanium, and nickel alloys are commonly tested using ASTM E23, particularly in industries where impact resistance is crucial.

Low energy absorption value indicates that the material is brittle and may quickly fail due to sudden impact or shock-loading conditions. Hence, it is a critical parameter in determining the suitability of materials in specific applications in cold environments.

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