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

Pratama, Angga and , Muh Alfatih Hendrawan.,ST.,MT. (2017) Analisa Pengaruh Filler Serbuk Zinc Terhadap Sifat Mekanik Sambungan Las Titik Beda Material Antara Aluminium dan Stainless Steel. Diploma thesis, Universitas Muhammadiyah Surakarta.

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Abstract

In designing a vehicle to be considered many things, one of which is a material that used. The type of material used will influence the weight of the vehicles that have an impact on the efficiency of fuel consumption. Stainless steel and aluminum is a material which could not be separated in the automotive industry. Spot welding is one of the electrical resistance welding methods that are often used in the automotive industry. This research aims to know the strength spot welded joint between aluminium and austenitic stainless steel. Then the process will be investigated in several variant of current is 6000 A, 7000 A, 8000 A and weld time is 0.2 seconds, 0.3 seconds, 0.4 seconds. There are two test which be carried out, shear tension test based on ASME QW-462.9 and microhardness test based on AWS D8.9-97. The results showed that the addition of zinc powder filler as interlayer had an effect on the strength of welded joint. The most optimal welded joint strength occurs in specimens as zinc powder filler at a current variation of 8000 A and a time of 0.4 seconds, its value is 1150 N. While for the highest hardness is found in the area of weld metal (nugget) on specimens based on zinc powder filler as a current of 8000 A and time of 0.4 seconds.

Item Type:	Karya ilmiah (Diploma)
Uncontrolled Keywords:	spot welding, dissimilar material, shear test, hardness test
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	ANGGA PRATAMA
Date Deposited:	30 Oct 2017 03:19
Last Modified:	30 Oct 2017 03:19
URI:	http://eprints.ums.ac.id/id/eprint/56628

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