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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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Studiefonds van Het Mangkoenagara VII :1924-1930
Keraton: Journal of History Education and Culture
Vol 7
, No 2
(2025)
This study examines the implementation of Studiefonds Van Het Mangkoenagoro VII (1924-1930) as a concrete manifestation of the Ethical Political Trilogy, especially in the field of education in Praja Mangkunegaran. This research aims to: (1) analyze the distribution mechanism and implementation of Studiefonds, (2) evaluate the role of Mangkunegara VII in the management of the education fund, and (3) identify the impact on the Sentana and Abdi Dalem. The method used the historical method with the...
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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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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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KESALAHAN SISWA DALAM MENYELESAIKAN SOAL TRIGONOMETRI DITINJAU DARI LITERASI NUMERASI PADA LEVEL KOGNITIF KNOWING, APPLYING, DAN REASONING
JIPMat (Jurnal Ilmiah Pendidikan Matematika)
Vol 10
, No 1
(2025)
Literasi numerasi merupakan kemampuan berpikir dengan konse dan prosedur serta fakta dan alat matematika untuk menyelesaikan masalah yang berkaitan dengan diri, lingkungan sekitar dan masyarakat. Penelitian ini bertujuan untuk mendeskripsikan kesalahan siswa SMA dalam mengerjakan soal trigonometri ditinjau dari literasi numerasi pada level kognitif knowing, applying, dan reasoning. Metode yang digunakan dalam penelitian ini adalah deskriptif kualitatif. Subjek penelitian merupakan siswa SMA kela...
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Numerical Investigation of Consolidation Settlement for Runway Construction on Soft Soil: A Case Study in Sumbawa, Indonesia
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 3
(2025)
Runway construction on soft soil presents significant engineering challenges due to excessive settlement, which can affect structural stability and long-term performance of transportation infrastructure. This study investigates the settlement of a runway in Sumbawa, Indonesia using the Finite Element Method (FEM) in Plaxis 2D. The Hardening Soil Model was applied to realistically capture nonlinear soil behavior. Input parameters were derived from a series of N-SPT data and laboratory test result...
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2 Sitasi
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
Pelatihan Pembuatan Kain Nusantara Ecoprint dengan Teknik Iron Blanket
Jurnal Pengabdian Kepada Masyarakat
Vol 2
, No 2
(2025)
Indonesian Nusantara Fabric is a cultural heritage that has high aesthetic and philosophical value, reflecting the local wealth of various regions. Among the variety of traditional fabrics such as batik, songket, lurik, and ulos, ecoprint fabrics are present as innovations that combine traditional values with sustainability principles. Ecoprints are made using natural materials that are environmentally friendly, making them an alternative to textiles that support nature conservation. One of the...
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PENDAMPINGAN PENGELOLAAN USAHA UMKM “OMAH CHIRENG SALATIGA”
Kusuma, Risalah
; Yuliyanti, Yuke
; Suci, Indah
; Dwiyana, Nita
; Kiki, Alya
; Fitriyani, Eka
; Rumambo, Elmayana
; Haongap, Ully
; Puspita, Maria Entina
; Puspita, Maria Entina
Perwira Journal of Community Development
Vol 5
, No 2
(2025)
Kegiatan pengabdian ini bertujuan untuk memberikan pendampingan pengelolaan usaha pada salah satu usaha kecil industri rumahan singkong dan tepung tapioka “Omah Chireng Salatiga” yang berlokasi di Kauman Sidorejo Salatiga. Pemberdayaan usaha meliputi pemberdayaan manajemen produksi, pemasaran serta pengelolaan keuangan usaha dengan memberikan pemahaman praktik produksi mulai dari proses produksi, labeling kemasan hingga pengenalan produk, promosi dan saluran distribusi, pencatatan sederhana dala...
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Gambaran Penyelidikan Epidemiologi Demam Berdarah Dengue di Wilayah Kerja UPTD Puskesmas Pariaman
Jurnal Inovasi dan Pengabdian Masyarakat Indonesia
Vol 4
, No 3
(2025)
Latar belakang: Peningkatan kasus Demam Berdarah Dengue (DBD) dalam beberapa tahun terakhir menunjukkan perlunya upaya pencegahan dan pengendalian yang lebih efektif terutama di Kota Pariaman yang menjadi salah satu daerah dengan angka kejadian tertinggi di Sumatera Barat. Tujuan: Mendeskripsikan pelaksanaan penyelidikan epidemiologi DBD serta memberikan alternatif pemecahan masalah dalam pelaksanaan penyelidikan epidemiologi DBD. Metode: pelaksanaan kegiatan menggunakan penelitian deskriptif, d...
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