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All Journal Majalah Ilmiah MOMENTUM Jurnal Rekayasa Mesin Vitruvian : Jurnal Arsitektur, Bangunan, dan Lingkungan PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat To Maega: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Teknik TERAKOTA : Jurnal Poster Arsitektur, Interior dan Rancang Kota Advance Sustainable Science, Engineering and Technology (ASSET) TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Saefudin, Slamet
Universitas Muhammadiyah Semarang
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Other

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Impact of infill pattern and line width on tensile strength of PLA FDM 3d printing Agus Tri Wahyudi; Dini Cahyandari; Slamet Saefudin; Muhammad Subri
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 12 No 1 (2025): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v12i1.1221

Abstract

Mechanical properties of Fused Deposition Modelling (FDM) 3D-printed products are a top priority in prosthesis manufacturing. Damage to 3D-printed products is often caused by the low mechanical strength when subjected to loading. Many parameters can influence the strength of the printed product during the process, including the infill pattern and line width. The infill pattern and line width serve as benchmarks for product quality, making it important to understand the impact of printing parameters to achieve optimal product strength. This study aims to analyze the mechanical properties of 3D-printed products through tensile testing with variations in infill pattern and line width. The method used to determine the mechanical properties is tensile testing. The tensile test samples were made using a Creality Ender 3 Pro 3D printer. The printing parameters were varied with three patterns: cubic, line, and triangle, as well as two infill line widths: 0.4 mm and 0.5 mm. The tensile test results showed significant differences in the variations of infill pattern and line width. The highest tensile strength was obtained with the line pattern and 0.5 mm line width, with an average tensile strength of 28.85 MPa, while the lowest value was observed with the cubic pattern and 0.4 mm line width, with an average of 27.63 MPa. These findings can serve as a valuable reference in the printing of prosthetic products using FDM 3D printing
In Vitro Degradation and Mechanical Performance of Mg AZ31B for Biodegradable Bone Implant Applications Slamet Saefudin; Purnomo; Muhammad Subri; M. Edi Pujianto; Ilham Yustar Afif; Samsudi Raharjo
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2652

Abstract

Magnesium AZ31B is a promising biodegradable implant material due to its mechanical properties comparable to natural bone and its ability to degrade in physiological environments, potentially eliminating the need for secondary surgery. However, its rapid degradation can cause a significant loss of mechanical integrity, limiting its use in load-bearing applications. This study investigates the evolution of mechanical properties and surface characteristics of AZ31B during in-vitro immersion in Simulated Body Fluid (SBF). Tensile tests were conducted on triplicate specimens after immersion for 3, 6, and 9 days, while surface morphology and corrosion products were analyzed using SEM–EDX. In addition, pH variation and mass loss were monitored to evaluate corrosion behavior. The results show a progressive decrease in tensile strength from 279.77 ± 5.30 MPa (0 days) to 167.64 ± 2.31 MPa after 9 days of immersion, representing an overall reduction of approximately 40%. This degradation was accompanied by increased surface corrosion, mass loss, and solution alkalization. These findings provide quantitative insight into the relationship between corrosion progression and mechanical degradation of AZ31B, highlighting its time-dependent performance limitations and the need for surface modification strategies in biodegradable implant applications.
A Review of Factors Affecting the Mechanical Performance of PLA in FDM 3D Printing Slamet Saefudin; Samsudi Raharjo; Ilham Yustar Afif; Syarifudin; Purnomo; Muhammad Omar Rusydi; Kuzmin Anton; Muhammad Subri; M. Edi Pujianto
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/chs1gc62

Abstract

3D printing has rapidly evolved due to its significant advantages in rapid prototyping. 3D-printed products for industrial applications require stable mechanical properties, which are influenced by various factors. The lack of a comprehensive discussion addressing the factors affecting mechanical properties is the main reason for this review. This article aims to provide an overview of Fused Deposition Modeling (FDM) 3D printing concerning the factors that influence the mechanical performance of FDM 3D products using polylactic acid (PLA) material. The article covers the impact of material factors, process parameters (such as layer thickness, infill patterns, print orientation, infill patterns, infill density, infill width, temperature, and printing speed), as well as post-processing treatments as key considerations. The contribution of this article is to explain to researchers and industry practitioners the factors that affect the mechanical performance of FDM 3D printed products. 
Co-Authors Achmad Solichan Adi Wijaya Afif, Ilham Yustar Agus Tri Wahyudi Ahmad Nuril Anwar Apondala Apondala Arfiansyah, Ryan Bagus Irawan Dini Cahyandari Dini Cahyandari Dini Cahyandari Dini Cahyandari Handayani, Hikmah Nurcika Hanityo Adi Nugroho Hanityo Adi Nugroho Ilham Yustar Afif Ilham Yustar Afif Ilham Yustar Afif Kuzmin Anton M. Edi Pujianto Mahfud, Akhmad Ulum Muh. Subri Muhamad Ilyas, Muhamad Muhammad Omar Rusydi Muhammad Subri Muhammad Subri Muhammad Subri Muntasiroh, Laily Nurul Puspita Pujianto, M. Edi Purnomo Purnomo . Rahil Muhammad Hasbi Samsudi Raharjo SAMSUDI RAHARJO Samsudi Raharjo Samsudi Raharjo Sulardjaka Sulardjaka Sulistyo Sulistyo Sutarto Syarifudin TAUFIK ROHMAN, TAUFIK Zein, Husein Aliy Syamsu