DOI: https://doi.org/10.32515/2664-262X.2020.3(34).102-107

Substantiation of Polymer Materials for the Use in Plow Constructions

Oleksii Derkach, Oleh Kabat, Dmytro Makarenko, Borys Kharchenko

About the Authors

Oleksii Derkach, Associate Professor, PhD in Technics (Candidate of Technics Sciences), Dnipro State Agrarian and Economic University, Dnipro, Ukraine

Oleh Kabat, Associate Professor, PhD in Technics (Candidate of Technics Sciences), Dnipro State Agrarian and Economic University, Dnipro, Ukraine

Dmytro Makarenko, PhD in Technics (Candidate of Technics Sciences), Dnipro State Agrarian and Economic University, Dnipro, Ukraine

Borys Kharchenko, Associate Professor, PhD in Technics (Candidate of Technics Sciences), Dnipro State Agrarian and Economic University, Dnipro, Ukraine

Abstract

The purpose of the work is to study and determine material "TEKRONE" belonging to the group of polymers, substantiate such a polymer composite material (PCM) in the modernization of the plow blade, which is not inferior to the "TEKRONE" composite and is much cheaper. This requires the study of the physical and mechanical properties of the material. The following studies of the physical and mechanical properties of the "TEKRONE" material have been conducted: density, heat endurance, and tensile strength. It has been found out that when heated over an open flame, the polymer softens with subsequent melting. There is no charring, destruction in the solid state. Therefore, the TEKRONE material is a thermoplastic. After pyrolytic decomposition 0.5… 0.7% of the initial sample weight remains. PCM TEKRONE density is 954 kg/m3. The value of this parameter coincides with the polyethylene density, which, depending on the brand, varies from 910 to 980 kg/m3. The tensile strength stress of the investigated samples of PCM TEKRONE is 17.9 MPa, which is very close to the values of polyethylene (14.8-17.0 MPa). The laboratory studies have shown that TEKRONE polymer-composite material in its properties corresponds to the materials based on polyethylene. It is determined that the closest in properties are PE 500 and PE 1000 polyethylene. It is advisable to recommend the use of PE 500 and PE 1000 polyethylene as a basis for the manufacture of plow blade of PLN type.

Keywords

polymers, polymer composite materials, density, heat resistance, tensile strength, mouldboard

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Copyright (c) 2020 Oleksii Derkach, Oleh Kabat, Dmytro Makarenko, Borys Kharchenko