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https://repositori.uma.ac.id/handle/123456789/29732| Title: | Analisis Kekuatan Lentur Hasil Pencetakan 3D Printer dengan Bahan Logam |
| Authors: | Fahrezi, Irgi |
| metadata.dc.contributor.advisor: | Siahaan, M. Yusuf Rahmansyah |
| Keywords: | 3D printing;bahan logam;kekuatan lentur;UTM;flux cored wire;additive manufacturing;metal material;flexural strength;flux-cored wire;additive manufacturin |
| Issue Date: | Oct-2025 |
| Publisher: | Universitas Medan Area |
| Series/Report no.: | NPM;218130028 |
| Abstract: | Penelitian ini bertujuan untuk menganalisis kekuatan lentur dari spesimen logam hasil pencetakan 3D menggunakan metode wire-based additive manufacturing. Proses pencetakan dilakukan dengan memanfaatkan kawat flux cored wire tipe E71T-GS berdiameter 0,8 mm yang dilas lapis demi lapis menggunakan mesin las MIG. Pengujian dilakukan berdasarkan standar ASTM E290 dengan menggunakan Universal Testing Machine (UTM) pada spesimen yang memiliki variasi arus pengelasan sebesar 70A, 80A, dan 90A. Hasil pengujian menunjukkan bahwa semakin besar arus pengelasan, semakin tinggi kekuatan lentur yang dihasilkan. Spesimen dengan arus 90A menghasilkan tegangan lentur tertinggi sebesar 1.701 MPa dengan gaya patah mencapai 5101 N. Hasil ini menunjukkan bahwa kontrol parameter proses sangat mempengaruhi kualitas struktur antar lapisan logam dan performa mekanik produk akhir. Penelitian ini berkontribusi dalam optimalisasi proses pencetakan 3D logam untuk menghasilkan komponen yang kuat dan berkualitas, serta membuka peluang pengembangan manufaktur berbasis teknologi aditif di sektor industri. This study aims to analyze the flexural strength of metal specimens produced through 3D printing using a wire-based additive manufacturing method. The printing process utilizes flux-cored wire type E71T-GS with a diameter of 0.8 mm, welded layer by layer using a MIG welding machine. Testing was conducted in accordance with ASTM E290 standards using a Universal Testing Machine (UTM) on specimens with varying welding currents of 70A, 80A, and 90A. The results show that higher welding currents lead to increased flexural strength. The specimen with a 90A current achieved the highest flexural stress of 1.701 MPa and a maximum load of 5101 N. These findings indicate that process parameter control significantly affects the interlayer bonding quality and the mechanical performance of the final product. This research contributes to the optimization of metal 3D printing processes to produce stronger and higher-quality components, offering promising potential for the development of additive manufacturing in industrial applications. |
| Description: | 51 Halaman |
| URI: | https://repositori.uma.ac.id/handle/123456789/29732 |
| Appears in Collections: | SP - Mechanical Engineering |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 218130028 - Irgi Fahrezi - Fulltext.pdf | 1.95 MB | Adobe PDF | View/Open | |
| 218130028 - Irgi Fahrezi - Chapter IV.pdf Restricted Access | 764.98 kB | Adobe PDF | View/Open Request a copy |
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