Edo Aji Saputro, EAS (2026) PENGARUH FLUX INTERLAYER DAN DWELL TIME TERHADAP KEKUATAN MEKANIK DAN STRUKTUR MIKRO SAMBUNGAN FRICTION STIR SPOT WELDING MATERIAL AA1100-SS400. Other thesis, Universitas Perwira Purbalingga.
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Abstract
ABSTRAK
Metode sambungan rivet, baut dan fusi tradisional saat ini banyak digunakan dalam dunia manufaktur, numun dapat memperberat struktur dan konsumsi energi yang tinggi. Friction Stir Spot Welding (FSSW) mampu mengatasi permasalahan tersebut dan lebih unggul dari pengelasan fusi tradisional. Tujuan dalam penelitian ini adalah untuk mengetahui peran dari flux interlayer pada kemampuan mekanik dan struktur mikro material AA1100-SS400. Matode dalam penelitain ini adalah dengan menggunakan interlayer flux Zn dengan variasi dwell time 2, 4, 6, 8 detik. Pengujian yang dilakukan berupa uji Tarik geser, uji kekerasan vikers, dan uji struktur mikro. Hasil dari penelitian ini menunjukkan bahwa penggunaan interlayer flux mampu meningkatkan kekuatan sambungan dengan nilai tertinggi 2,8kN pada dwell time 8 detik. Dan nilai kekerasan vikers tertinggi sebesar 80 HV pada interval 6 dan -6 dari titik tengah sambungan. Hasil pengujian struktur mikro menunjukkan Zn menyebar pada subtract Al dan effect brazing zone pada daerah sekitar pengelasan. Penelitian yang telah dilakukan membuktikan bahwa penggunaan interlayer flux dapat meningkatan kamampuan sambungan dan distribusi Zn pada material
Kata Kunci: FSSW, Flux, Interlayer, kemampuan Mekanik, Struktur Mikro
ABSTRACT
Traditional riveting, bolting, and fusion joint methods are currently widely used in the manufacturing world, but they can weigh down the structure and consume high energy. Friction Stir Spot Welding (FSSW) is able to overcome these problems and is superior to traditional fusion welding. The purpose of this study is to determine the role of interlayer flux on the mechanical properties and microstructure of AA1100-SS400 material. The method in this study is to use Zn interlayer flux with dwell time variations of 2, 4, 6, 8 seconds. Tests carried out include shear tensile tests, vickers hardness tests, and microstructure tests. The results of this study indicate that the use of interlayer flux can increase the strength of the joint with the highest value of 2.8 kN at a dwell time of 8 seconds. And the highest vickers hardness value is 80 HV at intervals of 6 and -6 from the center point of the joint. The results of the microstructure test show that Zn spreads on the Al subtract and the brazing zone effect in the area around the weld. The research that has been done proves that the use of interlayer flux can improve the joint ability and distribution of Zn in the material.
Keywords: FSSW, Flux, Interlayer, mechanical properties, microstructure
| Item Type: | Thesis (Other) |
|---|---|
| Subjects: | T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Sains dan Teknik > Teknik Mesin (Material) |
| Depositing User: | Unnamed user with email perpustakaan@unperba.ac.id |
| Date Deposited: | 29 Sep 2026 04:17 |
| Last Modified: | 29 Sep 2026 04:17 |
| URI: | https://eprints.unperba.ac.id/id/eprint/590 |
