ASTM D256: Impact Strength of 3D Printing Peek_Jinan Kason Testing Equipment Co., Ltd.

ASTM D256: Impact Strength of 3D Printing Peek

ASTM D256 is a common pendulum impact testing standard for determining the impact resistance and the notch sensitivity in plastics.In Test Methods A, C and D, the notch produces a stress concentration that increases the probability of a brittle, rather than a ductile, fracture.

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ASTM D256: Impact Strength of 3D Printing Peek

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The ASTM D256 standard describes impact testing according to the Izod method for determination of the pendulum impact resistance of plastics. Within the scope of ASTM, the pendulum impact resistance of plastics is normally measured using the Izod test to ASTM D256. The flexural impact stress is applied to a notched specimen that is gripped on one end. The result is presented as the thickness-related energy absorption of the specimen.

Izod impact tests are also described in standards ISO 180 and ASTM D4508.