The microstructure of the radiation effect of the heat on the complete cable NYM

Sebayang, Melya Dyanasari (2016) The microstructure of the radiation effect of the heat on the complete cable NYM. Inovation in Polymer Science and Technology (IPST). ISSN 1410 8720

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Abstract

Cable NYM 3 x 2.5 mm2 is widely used in the fields of engineering applications , especially as a conductor of electrical power components that will be used on the equipment. Have a standard mechanical properties and electrical properties . Mechanical properties such as tensile test to see the characteristics of the material , as well as the required electrical properties such as resistivity and conductivity test to determine the ability to deliver power . At the field of engineering applications is necessary so to do research on the mechanical and electrical properties of the cable intact with heat treatment that is meant to simulate real fire . In this study, given the heat treatment temperature of 100ºC , 120ºC , 150ºC , 180ºC , 200ºC and air cooling , sand , soapy water , rain water , a mixture of everything , tensile testing , photos microstructure and resistivity test material . The test results is the mechanical properties of wires with different heat treatments have values of tensile strength and resistivity of different materials on each test specimen . From the graph looks the greater the temperature of heating and cooling is slow , the resistance of the cables NYM 3 x 2.5 mm2 is increasing. Based on the literature that the standard strain ( 20-40 %) , modulus of elasticity (1.2-3.3 MPa) , and tensile strength standard (7-12.5 MPa) then the cables can still be used for the installation of heating only to 180ºC. Because the temperature of 200ºC not meet the standard strain (20-40) and modulus of elasticity (1.2-3.3 MPa ) , although standards tensile strength (7-12.5 MPa) Keywords : Cables , resistivity , characteristics of the microstructure

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