Prasetyo Aji, Bagas Wahyu (2024) Pengaruh Variasi Kuat Arus dan Media Pendingin Pada Pengelasan SMAW Baja ST-41 Terhadap Kekuatan dan Struktur Mikro. Undergraduate thesis, Universitas 17 Agusturs 1945 Surabaya.
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Abstract
PENGARUH VARIASI KUAT ARUS DAN MEDIA PENDINGIN PADA PENGELASAN SMAW BAJA ST41 TERHADAP KEKUATAN DAN STRUKTUR MIKRO Pada era globalisasi dan dengan didukung oleh mudahnya berkomunikasi maka sangatlah mudah untuk berkembangnya ilmu pengetahuan dan teknologi. Salah satu contoh perkembangan teknologi tersebut adalah teknologi pengelasan, Fungsi pengelasan diantaranya adalah untuk menyambungkan dua komponen yang berbahan logam. Selain itu fungsi pengelasan adalah untuk media atau alat pemotongan. kelemahan yang dipengaruhi oleh pengelasan.Penelitian ini bertujuan untuk menganalisis sifat mekanis dan menganalisis struktur mikro pada baja komersial ST41 yang telah dilakukan proses pengelasan dengan menggunakan variasi dan pengujian. Pengelasan dilakukan dengan SMAW menggunakan material baja karbon rendah ST41. Variasi yang digunakan adalah 3 jenis pendinginan yaitu pendinginan oli,air coolant,air garam, serta kuat arus 80A,100A,120A. kemudian hasil pengelasan di uji menggunakan pengujian tarik dan struktur mikro. Setelah dilakukan penelitian dapat diketahui bahwa variasi pendinginan oli dengan arus listrik 120A memiliki nilai kekuatan tarik paling tinggi yaitu 19,17 Kg/mm2 dan presntasi perlitnya adalah 68%. Sedangkan nilai kekuatan tarik benda yang menggunakan variasi pendingin air garam lebih tinggi yatiu 36,25 Kg/mm2 dengan presentasi perlit 90%. Kata kunci: pengelasan SMAW,Uji tarik ,Struktur mikro,Baja komersial ST41
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | pengelasan SMAW,Uji tarik ,Struktur mikro,Baja komersial ST41 |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin |
| Depositing User: | 1421700025 Bagas Wahyu Prasetyo Aji |
| Date Deposited: | 23 Jun 2026 11:39 |
| Last Modified: | 23 Jun 2026 11:39 |
| URI: | http://repository.untag-sby.ac.id/id/eprint/33993 |
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