Analisa Pengaruh Filler Terhadap Sifat Mekanik Sambungan Las Beda Material Pada Las Titik Antara Aluminium dan Stainless Steel

Tri Adriyanto, Pedri and , M. Alfatih Hendrawan, ST, MT (2018) Analisa Pengaruh Filler Terhadap Sifat Mekanik Sambungan Las Beda Material Pada Las Titik Antara Aluminium dan Stainless Steel. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This study aims to determine the effect of SS and Al filler on the welded joints of dissimilar material. This study combines 1.2 mm thick aluminum and 1 mm stainless steel with powder filler through 100 meshing process then mixed with SS ratio (80%) and Al (20%). The standard used for specimen preparation is ASME QW-462.9. In this research used welding spot machine with current variation of 6000 A, 7000 A, 8000 A with welding time 0,2 second, 0,3 second, 0,4 second. The tests performed were shear testing using ASME QW-462.9 testing standards and for hardness tests using AWS D8.9-97 testing standards. Test results on shear stress and two types of failures that occur in specimens without filler or filler use, inter-facial failure is a failure mode that occurs through crack propagation through the nuggets, and pull out failure is a failure mode that occurs through the withdrawal of nuggets. For hardness test results obtained that the most optimal hardness results found in the area of weld metal (nugget) on specimens using a filler with a current of 8000 A and time of 0.4 seconds. From the analysis result, it is found that the addition of SS and Al filler has little effect on the strength of the welded joint.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Spot Welding, Dissimilar, SS and Al Filler, Mechanics test
Subjects:	T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	PEDRI TRI ADRIYANTO
Date Deposited:	02 Apr 2018 03:33
Last Modified:	02 Apr 2018 03:33
URI:	http://eprints.ums.ac.id/id/eprint/60879

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