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All Journal JURUTERA (Jurnal Umum Teknik Terapan) Jurnal Polimesin
Kamil, Syahiir
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Experimental study on the tensile and compressive properties of local bamboo fiber polyester composites with varying fiber species and resin ratios Adlie, Taufan Arif; Arif, Zainal; Kamil, Syahiir; Maidin, Maidin; Hasmi, Farhan; Rizal, Teuku Azuar
Jurnal Polimesin Vol 23, No 5 (2025): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i5.7800

Abstract

In response to the growing demand for eco-friendly materials, natural fibers have gained increasing attention as renewable alternatives for automotive and structural materials. Despite extensive research, the mechanical performance of locally sourced bamboo species from Langsa, Aceh, including Gigantochloa apus (apus), Bambusa vulgaris (yellow), and Bambusa blumeana (thorn) remains largely unexplored. This study investigates the tensile and compressive properties of composites reinforced with these three bamboo species. The composites were fabricated using the hand lay-up method using BTQN 157 polyester resin and varying resin-to-fiber ratios of 60:40, 70:30, and 80:20. Mechanical tests were conducted in accordance with ASTM standards to evaluate the influence of bamboo species and fiber composition. Three specimens were tested for each composition, and the results were averaged to ensure data reliability. The results show that both bamboo type and resin fiber ratio significantly affect mechanical performance. The thorn bamboo composite at a 60:40 resin-to-fiber ratio exhibited the highest tensile strength of 81.94 MPa and compressive strength of 9.11 MPa. A 29.67% increase in tensile strength was achieved when varying the resin-to-fiber ratio from 80:20 to 60:40 for yellow bamboo, while a 28.93% improvement was observed across different species. Similarly, a 44.40% rise in compressive strength occurred for apus bamboo composites when the ratio changed from 80:20 to 60:40, and a 54.68% enhancement was recorded across species. These findings confirm that Langsa’s local bamboo, particularly B. blumeana at a 60:40 ratio, offers strong, lightweight, and sustainable reinforcement potential for next-generation composite materials.
Analisa Pengaruh Parameter Line Width Terhadap Kekuatan Tarik Hasil Cetak Menggunakan 3D Printer Sabri, Faris Ahmad Mizanus; Kamil, Syahiir; Sumawijaya; Bahri Widodo, Syamsul; Arif Adlie, Taufan; Arif, Zainal
JURUTERA - Jurnal Umum Teknik Terapan Vol 12 No 02 (2025)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v12i02.12351

Abstract

3D printers of the extrusion type, also known as Fused Deposition Modelling (FDM), are widely used to create products from polymer materials in the desired shapes, such as bricks, holders, toys, and so on. The quality of the printed results is significantly influenced by the process parameters that can be adjusted. This study aims to analyze the effect of the line width parameter on the tensile strength of the prints produced using extrusion-type 3D printers. The specimen design follows the ASTM D638 type IV standard, with variations in the line-width printing parameters: 0.3 mm (P1), 0.4 mm (P2), and 0.5 mm (P3). The specimens were printed in PLA. Testing was conducted on 9 specimens, 3 for each line width parameter (P1, P2, P3), using a Universal Testing Machine. The average tensile strength values obtained were 27.97 MPa (P1), 31.61 MPa (P2), and 30.52 MPa (P3). The highest tensile strength was achieved with a line width of 0.4 mm. The results of the study indicate that the line width parameter affects the tensile strength of the printed results. Determining appropriate printing parameters can improve the quality of the printed product.
Co-Authors Arif, Zainal Hasmi, Farhan Maidin, Maidin Sabri, Faris Ahmad Mizanus Sumawijaya Taufan Arif Adlie Teuku Azuar Rizal Widodo, Syamsul Bahri