Arrabbany, Abdur Rauf (2024) Analisis Sifat Fisik dan Mekanik Lattices Structure Geometri Truncated Octahedron Aluminium 6061 Pada Proses Fused Filament Fabrication Assisted Investment Casting. Other thesis, Institut Teknologi Sepuluh Nopember.
![[thumbnail of 5011201145-Undergraduate_Thesis.pdf]](http://repository.its.ac.id/style/images/fileicons/text.png) |
Text
5011201145-Undergraduate_Thesis.pdf - Accepted Version Restricted to Repository staff only Download (5MB) | Request a copy |
Abstract
Additive manufacturing adalah teknologi yang memungkinkan pembuatan objek tiga dimensi dari model CAD (Computer Aided Design) atau model 3D digital dengan menambahkan material lapis demi lapis di bawah kendali komputer. Penggunaan additive manufacturing fused filament fabrication dapat dipadukan dengan metode pengecoran untuk mendapatkan lattices structure dengan material metal. Proses ini akan membentuk sebuah geometry truncated octahedron yang terkontrol dari proses 3D printing dan dilanjut dengan proses investment casting. Hasil dari 3D printing tersebut akan dimasukkan kedalam slurry menjadikannya dia sebagai cetakan lalu hasil 3D printing tersebut dilelehkan dan diganti dengan molten aluminium 6061 yang dimasukkan kedalam cetakan investment casting. Penelitian yang dilakukan akan membentuk 3 variasi ukuran diameter strut dari geometri truncated octahedron. Hasil dari proses additivie manufacturing assisted investment casting ini akan diteliti dalam sifat fisik dan mekanik yaitu observasi visual, pengujian dimensi, pengujian densitas, pengujian porositas, pengujian kompresi, pengujian mikroskop stereo, dan pengujian kekerasan vickers. Penelitian ini dilakukan untuk mengetahui proses pembuatan lattices structure dengan aplikasi 3D printing fused filament fabrication assisted investment casting, bagaimana pengaruh ukuran diameter strut yang digunakan terhadap sifat fisik lattices structure yang dihasilkan dari proses fused filament fabrication (FFF) assisted investment casting, dan bagaimana pengaruh ukuran diameter strut yang digunakan terhadap sifat mekanik lattices structure yang dihasilkan dari proses fused filament fabrication (FFF) assisted investment casting. Penelitian ini mengevaluasi pengaruh ukuran diameter strut (4,6, 4,8, dan 5,0 mm) terhadap sifat fisik dan mekanik struktur lattices yang dihasilkan dari proses fused filament fabrication (FFF) assisted investment casting. Hasil menunjukkan bahwa diameter strut 5,0 mm memiliki persentase geometri bentuk persegi tertinggi (84,72%), kekuatan kompresi tertinggi (17,7 MPa), dan absorpsi energi terbesar (4,64 MJ/m³). Namun, pada diameter strut 4,6 mm menunjukkan densitas terbaik (2,67 g/cm³) dan porositas rongga tertinggi (78,13%). Pengujian kekerasan vickers menunjukkan bahwa pada diameter strut 4,8 mm memiliki kekerasan tertinggi di columnar zone (53,1 HV5) dan equiaxed zone (55,1 HV5), sedangkan pada diameter strut 5,0 mm memiliki kekerasan tertinggi di chill zone (49,43 HV5).
============================================================
Additive manufacturing is a technology that enables the creation of three-dimensional objects from CAD (Computer Aided Design) models or digital 3D models by adding material layer by layer under computer control. The use of additive manufacturing fused filament fabrication can be combined with the casting method to obtain lattices structure with metal material. This process will form a controlled truncated octahedron geometry from the 3D printing process and continue with the investment casting process. The results of the 3D printing will be inserted into the slurry making it a mold and then the 3D printing results are melted and replaced with molten aluminum 6061 which is inserted into the investment casting mold. The research conducted will form 3 variations of strut diameter size from truncated octahedron geometry. The results of the additivie manufacturing assisted investment casting process will be studied in physical and mechanical properties, namely visual observation, dimensional testing, density testing, porosity testing, compression testing, stereo microscopy testing, and Vickers hardness testing. This study was conducted to determine the process of making lattices structure with 3D printing application fused filament fabrication assisted investment casting, how the effect of strut diameter size used on the physical properties of lattices structure produced from fused filament fabrication (FFF) assisted investment casting process, and how the effect of strut diameter size used on the mechanical properties of lattices structure produced from fused filament fabrication (FFF) assisted investment casting process. This study evaluates the effect of strut diameter size (4.6, 4.8, and 5.0 mm) on the physical and mechanical properties of lattices structure produced from fused filament fabrication (FFF) assisted investment casting process. The results showed that the 5.0 mm strut diameter had the highest percentage of square shape geometry (84.72%), the highest compression strength (17.7 MPa), and the largest energy absorption (4.64 MJ/m³). However, the 4.6 mm strut diameter showed the best density (2.67 g/cm³) and the highest cavity porosity (78.13%). Vickers hardness testing showed that the 4.8 mm strut diameter had the highest hardness in the columnar zone (53.1 HV5) and equiaxed zone (55.1 HV5), while the 5.0 mm strut diameter had the highest hardness in the chill zone (49.43 HV5).
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Aluminium, Lattices Structure, Investment Casting, 3D Printing, Truncated Octahedron, Fused Filament Fabrication |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA 459 Metal foams. T Technology > TN Mining engineering. Metallurgy > TN775 Aluminum alloys--Metallurgy. T Technology > TP Chemical technology > TP1151 Special molding and casting processes |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Abdur Rauf Arrabbany |
| Date Deposited: | 09 Aug 2024 07:31 |
| Last Modified: | 09 Aug 2024 07:31 |
| URI: | http://repository.its.ac.id/id/eprint/111814 |
Actions (login required)
 |
View Item |