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Charpy impact test ISO179
Date:2017-03-21 Source:United Test Views:100

ISO 179 & ASTM D6110 is a standard test method for determining the impact strength or impact resistance of a plastic specimen with a Charpy test. Charpy impact strength testing involves the use of a pendulum to break a test specimen being supported in a cantilever configuration. The impact energy absorbed in impacting a plastic specimen in a Charpy test is taken as being equal to the difference between the potential energy of the pendulum and the energy remaining in the pendulum after impacting the plastic specimen. Corrections accounting for friction and air-resistance losses must also be made to determine the true impact resistance of the plastic. Specimens tested to determine the impact strength through the Charpy impact resistance test and the practices of ISO 179 must be notched. Charpy impact testing of notched specimens in accordance to ISO179 is a common test to determine notch sensitivity of a plastic material. Test machines that are used to perform Charpy impact strength tests in accordance to ISO 179 must meet the requirements of ISO 13802; verification of Charpy pendulum impact testing machines.

ISO 179: “Plastics -- Determination of Charpy impact properties”
ASTM D6110: “Standard Test Method for Determining the Charpy Impact Resistance of Notched Specimens of Plastics”.

Impact test specimen size:  80*10*4mm (length*width*thickness)


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