Analisa Metalografi Pengaruh Filler Zinc Pada Pengelasan Titik Beda Material Antara Aluminium Dan Stainless Steel

Kristianto, Yudi and , M. Alfatih Hendrawan, ST, MT (2018) Analisa Metalografi Pengaruh Filler Zinc Pada Pengelasan Titik Beda Material Antara Aluminium Dan Stainless Steel. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Welding is a process of metal grafting in which metals can connect due to heat with or without the influence of pressure. Spot welding in their use can connect several types of plate materials. So welding point is often used in the automotive industry because it has several advantages that the process is fast, good repeatability, neat and cheap. The study combines a 1.2 mm thick aluminum and 1 mm thick stainless steel with a 0.2mm thick zinc filler / filler material. This study aims to determine the effect of zinc filler on different material welding. The standard used for the specimen preparation size is ASME QW 462.9, for testing of chemical composition using ASTM A751-01 standard, while for micro and macro photo testing using ASTM E407-07 standard. Spot wlding with current parameters of 6000A, 7000A, and 8000A with time parameters 0.2seconds, 0.3seconds, and 0.4seconds. The result of chemical composition test, aluminum including type of aluminum alloy series 6019, for stainless steel including 430 series and for zinc including ZA-12 series. The results of macro testing the size of weld metal (nugget) increases with the increase of current and time. Welding with filler has a larger nugget width than non filler. In micro photo observation, there is a change of micro structure between the parent metal, HAZ and welding metal.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Spot welding, different material, aluminum, stainless steel, filler zinc.
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	YUDI KRISTIANTO
Date Deposited:	23 Jul 2018 07:45
Last Modified:	23 Jul 2018 09:51
URI:	http://eprints.ums.ac.id/id/eprint/63904

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