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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Bahan Alam Terbarukan Majalah Ilmiah MOMENTUM OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Mechanical Engineering for Society and Industry Automotive Experiences jes Advance Sustainable Science, Engineering and Technology (ASSET)
Siregar, Januar Parlaungan
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Advance Sustainable Science, Engineering and Technology (ASSET)

 1 
Mechanical Performance of Alkali-Treated Rattan Strips with Epoxy Coating for Sustainable Composite Applications Kalatharan, Sujentheran Nair; Imran, Al Ichlas; Irawan, Agustinus Purna; Siregar, Januar Parlaungan; Cionita, Tezara; Fitriyana, Deni Fajar; Anis, Samsudin; Dewi, Rozanna; Setyoadi, Yuris; Wisnu Prayogo
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.2017

Abstract

The use of natural materials like rattan in eco-friendly composites is gaining attention in materials engineering. However, its hydrophilic nature and interaction with other materials can affect mechanical strength. This study investigates how variations in rattan size and alkali treatment influence the tensile properties of single rattan strips through an epoxy dipping process. Rattan was prepared with varying lengths (5–15 cm), widths (3–8 mm), and a consistent thickness (0.5 mm). Alkali treatment used 5% and 10% NaOH concentrations for 1 and 24 hours. Tensile testing showed that a 5 cm × 8 mm strip achieved the highest tensile strength (49.95 MPa), Young's modulus (3562.77 MPa), and low strain (5.4%), while the 15 cm × 3 mm strip had the lowest strength (9.48 MPa) and modulus (475.69 MPa) with higher strain (10.32%). A 5% NaOH treatment for 24 hours improved adhesion and performance, while 10% caused degradation.
Computational Assessment of Orthopedic Implant Durability Using Finite Element Analysis Haryanto, Ismoyo; Bagastomo, Riondityo Soni; Ismail, Rifky; Siregar, Januar Parlaungan; Cionita, Tezara
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.1977

Abstract

Finite Element Analysis (FEA) provides a rapid and cost-effective method to evaluate orthopedic implants. This research investigates the mechanical performance and long-term durability of a seven-hole SS 316L Basic Fragment Set (BFS) reconstruction plate designed for pelvic fractures. Adhering to ASTM standards, material properties were defined via tensile testing (ASTM E8), while static and fatigue analyses were performed using a displacement control method in a four-point bending test setup in SOLIDWORKS 2024 (ASTM F382). The static analysis predicted failure from plastic deformation at a force of 367 N, with a maximum stress of 621.92 MPa. The fatigue simulation predicted a lifespan of 483,754 cycles. To validate the simulation, these computational results were compared to experimental data, demonstrating high accuracy with deviations of only 3.34% for maximum force and 1.19% for fatigue life. These findings confirm that FEA is a highly reliable tool for predicting mechanical performance, enabling the orthopedic industry to optimize implant designs, enhance patient safety, and improve production efficiency.
Mechanical Performance of Epoxy Composite Reinforced with Wood Dust and Crumb Rubber Waste Imran, Al Ichlas; Siregar, Januar Parlaungan; Cionita, Tezara; Fitriyana, Deni Fajar; Anis, Samsudin; Dewi, Rozanna; Junaedi, Thomas; Wijayanto, Etanto Heiliano; Prayogo, Wisnu
Advance Sustainable Science Engineering and Technology Vol. 7 No. 4 (2025): August-October
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i4.2041

Abstract

The incorporation of wood dust and crumb rubber waste as filler in polymer matrix composite still requires in-depth evaluation of mechanical properties because they have different characteristics. This study evaluates the tensile, flexural, and hardness properties of epoxy composites reinforced with various fractions of wood dust and crumb rubber (5, 10, and 15%). The results showed that the composite with 5% crumb rubber produced the highest tensile strength of 15.52 MPa (CR5), while the highest flexural strength was 30.46 MPa (CR10), and the highest hardness was 75.9 HRC (CR15), indicating superior performance for CR fillers. The observations of the fracture surface showed that increasing the fraction of wood dust contributed to lowering the mechanical performance due to the relatively large distribution of voids and agglomeration. This finding confirms the importance of filler type and fraction selection on composite performance. Future research is recommended to explore filler surface modification and hybrid combinations to improve dispersion and bonding between phases in composites.
Mechanical Properties of Epoxy Composite Reinforced with Spent Coffee Ground and Coffee Husk Etanto Heiliano Wijayanto; Imran, Al Ichlas; Siregar, Januar Parlaungan; Mohd Ruzaimi Mat Rejab; Tezara Cionita; Wisnu Prayogo; Deni Fajar Fitriyana; Rozanna Dewi; Thomas Junaedi; Agustinus Purna Irawan
Advance Sustainable Science Engineering and Technology Vol. 7 No. 4 (2025): August-October
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i4.2052

Abstract

This study aims to investigate the effect of increasing the concentration of natural filler on the mechanical properties of Spent Coffee Ground (SCG) / Coffee Husk (CH) reinforced epoxy matrix composite. The materials used in this study are epoxy resin as a matrix and waste coffee grounds and coffee husks as natural fillers with sizes of 100-mesh and concentrations of 10, 20, and 30 wt.%. The results showed that SCG 10 wt.% produced the best mechanical properties compared to the other samples based on tensile strength (19.58 MPa), tensile modulus (1.70 GPa), flexural strength (44.55 MPa), and flexural modulus (2.32 GPa). On the other hand, CH 30 wt.% contributed the highest hardness value of 50.33 HRB compared to other samples. The findings in this study prove that the appropriate composition will affect the compatibility between the filler and the matrix, thus impacting the mechanical properties of the composite. This phenomenon can be seen based on microscope analysis, which shows a strong interaction between the matrix and filler and the formation of voids and agglomeration
Co-Authors Agustinus Purna Irawan Ahmad Athoillah Ahmad Kholil Alrasyid, Mochamad Dzaki ARHAMI Ari Setiawan Aripin, Muhammad Bustanul Atanasius Priharyoto Bayuseno Bachtiar, Dandi Bagastomo, Riondityo Soni Chusni Ansori Cionita, Tezara Dimyati, Saeful Dwiyati, Siska Titik Ekayuliana, Arifia Etanto Heiliano Wijayanto Fardinansyah, Akmal Putra Fitriyana, Deni Fajar Gunawan Refiadi, Gunawan Guteres, Natalino Fonseca Da Silva Guterres, Natalino Fonseca Da Silva Hadi, Agung Efriyo Iis Siti Aisyah Imran, Al Ichlas Iqbal, Mohd Ismail, Nur Hidayah Ismoyo Haryanto Istiqomah, Alfiana Fitri Jamiluddin, Jamiluddin Johni J Numberi JOHNSON SIALLAGAN Joni Junaedi, Thomas Kalatharan, Sujentheran Nair Kano, Christina Paulina Kriswanto Kriswanto, Kriswanto Marthen Liga Masri Mat Rejab, Mohd Ruzaimi Mat Rejab, Mohd. Ruzaimi Meiartha, REGA Mohd Ruzaimi Mat Rejab Muhammad Khafidh Muhibbuddin Muji Setiyo Nursafitri, Murti Ayu Pither Palamba Pramesti, Santinia Andiva Prasetyo, Ares Yudi Pratama, Danang Budi Pratama, Hafiidz Satria Prayogo, Wisnu Puspitasari, Windy Desti Putera, Finny Pratama Rifky Ismail Rosyidi, Edwar Rozanna Dewi Rusiyanto, R. Saifuddin Muhammad Jalil Samsudin Anis Setiadi, Rizki Setiawan, Rohmat Silva, Mateus De Sousa Da Siregar, Ramdhan Halid Sudiyono, S. Sugihartanti, Noviani Putri Suhaeri Sulistyo Sulistyo Syaefudin, Eko Arif Tengku Riza Zarzani N Tezara Cionita Thomas Junaedi Uniplaita, Tiper Korneles Muwarberto Wibisono, Aprianto Wijayanto, Etanto Heiliano Wisnu Prayogo Yabansabra, Yuliana Ruth Yotenka, Rahmadi Yuris Setyoadi Zulfadhli