Open AccessStudies and Research on the Stress – Strain Analyses of the Polyethylene Pipe-Fitting Assemblies Accidentally Subjected to an External Force
Author(s) -
Eugen Avrigean,
Štepán Maria Filip
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/564/1/012030
Subject(s) - welding , polyethylene , stress (linguistics) , stress–strain curve , structural engineering , materials science , accidental , composite material , engineering , deformation (meteorology) , physics , acoustics , philosophy , linguistics
The paper aims at analyzing the behavior of the polyethylene pipe - fitting assembly in the case of accidental stress due to the accidentally occurring external forces (mechanized excavation in the assembly area). The study will identify the necessary computing relationships and the minimum value of the force to which the analyzed assembly breaks, as well as some solutions for avoiding these accidental stresses. A three-dimensional model of the assembly will be made by applying the external forces on three main directions, following the maximum stresses for the same value of the external force. Also, a welding of a polyethylene pipe-fitting assembly will be carried out and it will be subjected to three stresses on the three directions so that a parallel can be made between the results. The study will also observe the way in which the temperature is distributed throughout the assembly and the areas where the obtained temperature reaches the highest value during welding.