ANALISIS UJI TARIK PADA PENGELASAN TIG (TUNGSTEN INERT GAS) BAJA ST 37 DENGAN VARIASI ARUS DAN KAMPUH

AL VAREZ, MUHAMMAD and Harlin, Harlin (2021) ANALISIS UJI TARIK PADA PENGELASAN TIG (TUNGSTEN INERT GAS) BAJA ST 37 DENGAN VARIASI ARUS DAN KAMPUH. Undergraduate thesis, Sriwijaya University.

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Abstract

Teknologi pengelasan penting untuk proses penyambungan di industri manufaktur, namun ada proses pengelasan yang dapat mempengaruhi sifat sambungan las pada logam. Pada proses pengelasan akan mengubah sifat-sifat logam yang dilakukan pengelasan. Ini termasuk perubahan sifat fisik, mekanik dan kimia. Penelitian ini bertujuan untuk mengetahui besar kekuatan tarik pada pengelasan TIG (Tungsten Inert Gas) baja ST 37 dengan variasi arus dan kampuh. Penelitian ini menggunakan metode eksperimen, menggunakan pengelasan TIG pada material baja ST 37 dengan menggunakan variasi arus 90 A, 100 A, dan 110 A dan menggunakan kampuh V tunggal dan setengah V. Nilai kekuatan tarik pada spesimen kampuh V dengan arus pengelasan 90 A sebesar 34,59 kgf/mm2, pada arus 100 A sebesar 35,79 kgf/mm2, dan pada arus 110 A sebesar 39,23 kgf/mm2. Sedangkan pada kampuh setengah V dengan arus 90 A sebesar 27,17 kgf/mm2, pada arus 100 A sebesar 34,73 kgf/mm2, dan pada arus 110 A sebesar 35,92 kgf/mm2. Welding technology is important for the joining process in the manufacturing industry, but there are welding processes that can affect the properties of welded joints in metals. The welding process will change the properties of the metal being welded. This includes changes in physical, mechanical and chemical properties. This study aims to determine the tensile strength of TIG (Tungsten Inert Gas) welding of ST 37 steel with variations in current and seam. This study uses an experimental method, using TIG welding on ST 37 steel material using variations of current 90 A, 100 A, and 110 A and using a single V and half V seam. The value of the tensile strength on the V seam specimen with a welding current of 90 A is 34.59 kgf/mm2, at a current of 100 A it is 35.79 kgf/mm2, and at a current of 110 A it is 39.23 kgf/mm2. While on the half V seam with a current of 90 A it is 27.17 kgf/mm2, at a current of 100 A it is 34.73 kgf/mm2, and at a current of 110 A it is 35.92 kgf/mm2.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Arus, Kampuh, TIG, Uji Tarik.
Subjects:	T Technology > TH Building construction T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
Divisions:	06-Faculty of Education and Educational Science > 83203-Mechanical Technique Education (S1)
Depositing User:	Mr. Muhammad Al Varez
Date Deposited:	19 Jan 2022 08:26
Last Modified:	19 Jan 2022 08:26
URI:	http://repository.unsri.ac.id/id/eprint/61805

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