Purnomo, Purnomo, Soenoko, Rudy, Irawan, Yudy Surya and Suprapto, Agus ORCID: https://orcid.org/0000-0003-4172-4163 (2017) Deformation Under Quasi Static Loading In High Density Polyethylene Filled With Natural Zeolite. Journal of Engineering Science and Technology (JESTEC), 12 (5). pp. 1191-1203. ISSN 1823-4690

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Abstract

This work aims to investigate the deformation under quasi static loading in zeolite-filled high density polyethylene. The investigation was carried out on dumbbell specimens by uniaxial tensile according to ISO 527 and on the double-edge-notched tension (DENT) specimens based on energy partitioning work of fracture. Energy partitioning approach, based on deformation mechanisms involved in the fracture process, is applied to DENT test to determine plane-stress fracture toughness. The test results showed that the composites with zeolite content of 20 wt.% on ligament length of 9, 10.5, and 15 mm indicated that they were not in plane stress state though initially had been configured in accordance with the requirements of plane stress conditions. This was due to the zeolite particles restricting the deformation which was parallel to specimen thickness in ligament region.

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