Impact Fracture Testing of Engineering Polymers Part 2Report as inadecuate

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Abstract : To characterize the dynamic fracture behaviour of high density polyethylene PE-HD and polyoxy-methylene POM, instrumented impact tests were performed with a servohydraulic test system using various specimens under bending and tensile loading. The objectives of this study were to develop and implement a test methodology and a data recording and reduction scheme for various test speeds and impact rates 0.001 to 8 m-s, and to determine the effect of the impact rate on the fracture toughness of PE-HD and POM. The data reduction to determine dynamic fracture toughness values was carried out according to different procedures taking account of the specific impact rates and the deformation behaviour of the materials tested.

Author: Z. Major R. Lang



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