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Geomechanics and Engineering Volume 41, Number 3, May10 2025 , pages 337-349 DOI: https://doi.org/10.12989/gae.2025.41.3.337 |
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Experimental research of polymer fracture under hydro-mechanical behavior |
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S.A. Reffas, M. Elmeguenni, M.S. Zagane, A. Moulgada, M. Yaylaci, R. Yekhlef, Ş. Öztürk, M.E. Özdemir and E. Uzun Yaylaci
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| Abstract | ||
| POM pipes are used to transport fluids. For this application, in-depth knowledge of the material's mechanical behavior and long-term performance is essential when subjected to mechanical stress. This article used an experimental approach based on macroscopic tests (thermal analysis technique for POM, tensile testing on notched axisymmetric specimens with measurement of the volume change), and complementary microscopic observations (MEB) to identify the cause of the damage. The results of the tests carried out at ambient temperature will be presented to show the influence of the type of control and the measurement principle (an assumption of homogeneous or isochoric deformation versus an assumption of transverse isotropic deformation) on the materia's response. | ||
| Key Words | ||
| differential thermal analysis DTA; MEB; polyacetal; stress; thermogram DSC analysis; thermogravimetric | ||
| Address | ||
| S.A. Reffas and M. Elmeguenni: Department of Engineering Mechanics, University Djilali Liabes of sidi bel abbés, 22000, Algeria M.S. Zagane and A. Moulgada: Department of Mechanical Engineering, University of Ibn Khaldoun Tiaret, 14000, Algeria M. Yaylaci: Department of Civil Engineering, Recep Tayyip Erdogan University, 53100, Rize, Turkey; Turgut Kiran Maritime Faculty, Recep Tayyip Erdogan University, 53900, Rize, Turkey; Murat Yaylaci-Luzeri R&D Engineering Company, 53100, Rize, Turkey R. Yekhlef: Research center in Industrial Technology, CRTI, P.O.Box 64 Cheraga, 16014, Algiers, Algeria Ş. Öztürk: Department of Civil Engineering, Recep Tayyip Erdogan University, 53100, Rize, Turkey M.E. Özdemir: Department of Civil Engineering, Cankiri Karatekin University, 18100, Çankiri, Turkey E. Uzun Yaylaci: Faculty of Fisheries, Recep Tayyip Erdogan University, 53100, Rize, Turkey | ||