KEKUATAN TARIK DAN GESER DENGAN PENGELASAN RESISTANCE SPOT WELDING (RSW) ANTARA BAJA KARBON RENDAH DENGAN ALUMINIUM

Salim ., Triyono .

Abstract


This study aims to determine the mechanical properties of the image area of ​​a welded connection of two different metals. Resistant Welding Spot Welding method. In this welding jointing material is low carbon steel SS 400 with a 1 mm thick aluminum 6061 TI 2 mm and were given assistance filler powder between steel and aluminum alloys (Fe - 10% Al). Welding performed on two samples with the welding time and voltage output 5 seconds each - each 2.02 volt and 2.30 volt. Tests carried out by tensile-shear testing machine, tension and metallographic cross. The test results showed for tensile shear test on the output voltage of 2.30 volts and 843 MPa for 2.02 volt output voltage of 830 MPa. Was to test tensile (cross tension) respectively - each amounting to 434 MPa and 6 MPa. Further to the metallographic photos with the same time and the higher the load voltage shows the union between a low carbon steel with a bridged aluminum filler, the better.


Keyword, Las points, low carbon steel and aluminum, filler, tensile test - shear, cross tension and metallography.

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