KUALITAS HASIL PENGELASAN FRICTION STIR WELDING (FSW) TERHADAP NILAI KEKERASAN PADA MATERIAL AL 2024-T3 DENGAN MENGGUNAKAN METODE TAGUCHI

WULANDARI, ASTRI (2019) KUALITAS HASIL PENGELASAN FRICTION STIR WELDING (FSW) TERHADAP NILAI KEKERASAN PADA MATERIAL AL 2024-T3 DENGAN MENGGUNAKAN METODE TAGUCHI. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Friction stir welding is an advance in the field of friction welding. Friction stir welding has the opportunity to be a welding process that will be used in the future. One of its uses is as a substitute for the rivet method on the plate-shaped material. In the world of aviation this method can be used to connect aircraft fuselage skin material. This study focused on finding optimization values from several variations used with the Taguchi method. The research method was carried out with a friction stir welding process on plate-shaped specimens. The parameters used are the angle of the probe (0o; 3o; 6o), feed rate (30 mm / min; 60 mm / min; 72 mm / min) and spindle speed (910 rpm; 1500 rpm; 2280 rpm) with the slope of probe 3o. Furthermore, the connection of aluminum material from the friction stir welding process was tested by hardness testing. The analysis process uses the Taguchi method, which is a new methodology in the field of engineering that aims to improve the quality of a product and natural processes while simultaneously reducing costs and resources to a minimum. The results of the analysis show that the parameters that influence the value of the optimization are the spindle speed, feed rate and those that do not affect the probe angle. The parameter obtained to achieve the optimum value is 0o; feed rate 72 mm / min; spindle speed 1500 rpm. The minimum difference between the values predicted and what was observed from this confirmation experiment was 5,13%

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