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Effect of Natural Fiber Stacking Sequence on the Properties of Hybrid Composites for Drone Frame Applications
Janiviter Manalu
; Jefri Bale
; Khristhoper Aris Arianto Manalu
; Frans Augusthinus Asmuruf
; Fitriyana, Deni Fajar
; Nizar Alamsyah
; Januar Parlaungan Siregar
; Al Ichlas Imran
; Tezara Cionita
; Natalino Fonseca Da Silva Guterres
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
The present study highlights the effective utilization of waste fibers in structural composites for drone frame applications, offering a sustainable pathway for developing high-performance materials while simultaneously addressing the issue of textile waste pollution. This study investigates the effect of ramie and cotton fiber waste fabric stacking sequences on the physical and mechanical properties of composites for quadcopter drone frames. Waste fabric was selected as an eco-friendly material...
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CLOUD-BASED REPORT CARD ASSESSMENT APPLICATION AT INPRES BHOANAWA 1 ELEMENTARY SCHOOL
Sari, Patrisia Claudia
; Tute, Kristianus Jago
; Sala, Elvira Esperanza
; Sari, Patrisia Claudia
; Tute, Kristianus Jago
; Sala, Elvira Esperanza
JUISI : Jurnal Ilmiah Sistem Informasi
Vol 4
, No 2
(2025)
The rapid development of information technology has brought significant changes in the management of administrative processes in the field of education, including the process of student learning assessment. This study aims to design and develop a cloud-based report card application to assist Inpres Bhoanawa 1 Elementary School in managing academic data more effectively and securely. The system was developed using the PHP Native programming language and MySQL database, with a waterfall sys...
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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 (ASSET)
Vol 7
, No 4
(2025)
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 ba...
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Determinants of MSME Sustainability: A Regression-Based Study in Labuhanbatu
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
This study aims to identify factors that influence the development of healthy and independent MSMEs in Labuhanbatu Regency, Indonesia. The research method uses a quantitative approach with primary data collection through interviews and questionnaires distributed to 342 MSME actors in Labuhanbatu Regency. The sample was taken using a stratified random sampling technique based on the 2019 MSME population. The data were analyzed using multiple regression techniques to test the effect of the indepe...
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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 (ASSET)
Vol 7
, No 4
(2025)
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 highes...
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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 (ASSET)
Vol 7
, No 3
(2025)
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...
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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 (ASSET)
Vol 7
, No 3
(2025)
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 treat...
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1 Sitasi
Analisis Kenyamanan Termal pada Rumah Tradisional Melayu “Limas Potong” Pulau Batam
SARGA: Journal of Architecture and Urbanism
Vol 19
, No 2
(2025)
Urbanisasi yang berkembang pesat telah menjadi isu utama dalam peningkatan konsumsi energi di wilayah perkotaan. Sebagian besar rumah-rumah di zona permukimam pada zaman kini juga dikonstruksi melekat satu sama lain, menyebabkan ventilasi udara alami bekerja tidak optimal dan mengharuskan para penghuni untuk menggunakan alat pengontrol termal untuk mencapai kenyamanan termal mereka. Dengan menggunakan metode eksperimen kuantitatif melalui simulasi digital, penelitian ini bertujuan untuk menyelid...
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Activity Based Costing (ABC) Di Industri Manufaktur: Tinjauan Literatur Tentang Efisiensi dan Kinerja Di Berbagai Negara
KOMPAK : Jurnal Ilmiah Komputerisasi Akuntansi
Vol 5
, No 1
(2025)
This study analyses the application of the Activity-Based Costing (ABC) system in the manufacturing sector with the main objective of improving the efficiency and effectiveness of company operations compared to conventional cost accounting approaches. The ABC method links costs with relevant activities, thus giving a more realistic cost allocation that assists firms in identifying their inefficient costs and improves the quality of managerial decisions. This research applies the SLR approach in...
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Peran Kegiatan Sehari-hari dalam Mendorong Aktivitas Bicara Anak
Early Childhood Research Journal
Vol 8
, No 1
(2025)
Perkembangan bahasa anak usia dini sangat dipengaruhi oleh stimulasi dari lingkungan, khususnya melalui kegiatan sehari-hari yang dilakukan bersama orang tua atau pengasuh. Penelitian ini bertujuan untuk mengeksplorasi bagaimana kegiatan harian seperti makan bersama, bermain, dan membaca dapat meningkatkan kemampuan bicara anak. Metode penelitian yang digunakan adalah metode kualitatif deskriptif dengan pendekatan studi kasus. Data dikumpulkan melalui observasi langsung terhadap 10 anak usia 3-5...
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