Article Per Year (5 Year)
p-Index From 2021 - 2026
1.757
P-Index
This Author published in this journals
All Journal V-MAC (Virtual of Mechanical Engineering Article) Mechanical Engineering for Society and Industry Journal of Fibers and Polymer Composites Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Polimesin
Pradiza, Revvan Rifada
Unknown Affiliation
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Transportation Other

Published : 10 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 10 Documents
Search

 1 
Nanofiber Cellulose as New Generation Natural Materials for Biocomposite Filler Asrofi, Mochamad; Pradiza, Revvan Rifada; Abduh, Muhammad; Junus, Salahuddin; Alahmadi, Mohammed
Journal of Fibers and Polymer Composites Vol. 3 No. 2 (2024): Journal of Fibers and Polymer Composites
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jfpc.v3i2.217

Abstract

Cellulose, a ubiquitous and renewable biopolymer, has garnered significant attention for its potential in material applications. This overview highlights the properties and applications of cellulose nanofibers, a nanoscale form of cellulose with exceptional properties. Cellulose nanofiber exhibits high surface area-to-volume ratios, inherent crystallinity, and favorable mechanical properties. They can be extracted from various sources using chemical and mechanical treatments, including alkali treatment, bleaching, acid hydrolysis, and ultrasonication. These processes effectively reduce cellulose fibers to the nanoscale, enhancing their properties. Cellulose nanofiber has demonstrated significant potential as reinforcing agents in biocomposites, improving interfacial adhesion, homogeneity, and mechanical strength. Their applications extend to diverse sectors, including biomedicine, packaging, and 3D printing. In biomedicine, Cellulose nanofiber show promise in tissue engineering, drug delivery, and wound healing due to their biocompatibility. Their lightweight yet strong nature and biodegradability make them ideal for sustainable packaging solutions. Moreover, cellulose nanofiber serves as effective reinforcing agents in composites, enhancing the mechanical properties of polymers for applications in automotive and aerospace industries.
Moisture Characteristics of Biocomposites from PVA/Cassava Starch Reinforced by Lemon Peel Fiber Pradiza, Revvan Rifada; Junus, Salahuddin; Asrofi, Mochamad; Ilyas, Rushdan Ahmad
Journal of Fibers and Polymer Composites Vol. 4 No. 1 (2025): Journal of Fibers and Polymer Composites
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jfpc.v4i1.218

Abstract

This study reports the moisture absorption and surface morphological characteristics of Polyvinyl Alcohol (PVA) and cassava starch biocomposite with lemon peel fiber as reinforcement. Biocomposite is produced by film casting method. The addition of lemon peel fiber decreases moisture absorption properties. The lowest moisture absorption is 53,37 % for PVA/Cassava starch with 4% lemon peel fiber. This result is much lower than PVA and PVA/starch. Good adhesion of interfacial bonding and the compact structure of the biocomposite thus reduce the moisture absorption. From these results, the created biocomposite can serve as an environmentally friendly alternative.
Tensile and morphological properties of carbon-coir fiber reinforced epoxy hybrid composites Salahuddin Junus; Yayang Saif Izzudin; Aris Zainul Muttaqin; Danang Yudistiro; Mochamad Asrofi; Sumardi Sumardi; Puranggo Ganjar Widityo; Revvan Rifada Pradiza
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i1.5523

Abstract

This study reports the tensile and morphological properties of carbon fiber-reinforced epoxy composites  with the addition of coconut coir fiber. The composites were fabricated using the vacuum infusion method with coconut fiber weight fractions of 5%, 15%, and 25%. Tensile testing revealed that the highest tensile strength (70.92 MPa) was achieved at 15% fiber content, while 5% fiber content resulted in the lowest tensile strength (32.48 MPa). Scanning Electron Microscopy (SEM) and metallographic analyses showed variations in fiber-matrix bonding, with debonding and fiber pull-out observed at lower fiber content. The results suggest that optimal fiber-matrix bonding and fiber dispersion contribute to tensile strength enhancement, confirming the potential of coconut fiber-reinforced hybrid composites for structural applications
Mechanical Characteristics of Stearic Acid Addition in Polylactic Acid (PLA) and Cassava Starch Bioplastic Blends Yusuf, Muhammad; Fatah, Ghaibi Alimul; Wibowo, Robertoes Koekoeh Koentjoro; Pradiza, Revvan Rifada; Ilyas, Rushdan Ahmad; Asrofi, Mochamad
Journal of Fibers and Polymer Composites Vol. 4 No. 2 (2025): Journal of Fibers and Polymer Composites
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jfpc.v4i2.264

Abstract

This study aims to determine the effect of adding stearic acid (SA) to a bioplastic mixture of cassava starch (CS) and polylactic acid (PLA). The bioplastic was produced using a solvent casting method. The addition of SA can affect the mechanical properties of the film. The maximum tensile strength of the film increased from 5.12 MPa (without SA) to 7.61 MPa (5% SA). The same trend also applies to the Young's modulus and elongation at break, which increased from 25.45 MPa and 20.17% to 35.02 MPa and 21.64% after the addition of 5% SA. This improvement in mechanical properties is supported by the compatibility of PLA and CS due to the optimal presence of SA. These findings prove that SA is an effective compatibilizer in improving the mechanical properties of PLA and CS-based bioplastics. The resulting film products have the potential to be used as environmentally friendly packaging materials that are competitive with synthetic materials such as Low-Density Polyethylene (LDPE) and Ethylene Vinyl Acetate (EVA).
Instalasi Teknologi Hidroponik sebagai Upaya Pemberdayaan Masyarakat Desa Sukodono dalam Meningkatkan Kemandirian Pangan : Pengabdian Pradiza, Revvan Rifada; Siswantoro, Dwi Heru; Apriandy, Kevin Ilham; Asrofi, Mochamad; Dwilaksana, Dedi; Sutjahjono, Hary; Yani, Luluk Fitri
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3996

Abstract

This community service activity aims to improve the understanding and skills of residents of RT 07, Sukodono Village, Sidoarjo, in applying hydroponic technology as a solution for managing limited land and supporting food security. This activity consists of lectures and discussions, as well as the installation of a hydroponic system. During the lectures and discussions, residents were given an understanding of the basic principles of hydroponics, its benefits, and how to apply it in limited land. Discussions were held to explore more deeply the challenges and potential of applying hydroponics in a household environment. The final stage, the installation of the hydroponic system, involved residents directly in the creation and installation of a simple but effective hydroponic system. Although there was no harvest to report at the time of the activity, residents successfully understood and installed the hydroponic system correctly. This success shows that residents of RT 07, Sukodono Village have the potential to manage hydroponic gardens independently. This activity made a significant contribution to increasing food self-sufficiency at the local level, even though challenges in terms of maintenance and limited resources remain.
Mechanical properties of biocomposite from polylactic acid and natural fiber and its application: A Review study Mochamad Asrofi; Revvan Rifada Pradiza; Muhammad Yusuf; Midhun Dominic C. D.; R. A. Ilyas
Mechanical Engineering for Society and Industry Vol 5 No 1 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12721

Abstract

In the past decade, the development of biocomposite materials has attracted much attention due to the growing concerns about petroleum-based natural resource depletion and pollution. Among the various biocomposite materials, polylactic acid (PLA) is one of the most widely produced and ideal for use in commercial products. The manufacture of PLA biocomposites with natural fiber reinforcement as an alternative material that replaces synthetic materials is widely researched. The different types of natural fiber sources used in the incorporation of matrix and fibers are very important as they affect the mechanical properties of the biocomposites. In addition, PLA-based biocomposites can be produced by a wide variety of methods that can be found in various commercializations. This study aims to present the recent developments and studies carried out on the development of PLA-based natural fiber biocomposites over the past few years. This study discusses PLA biocomposite research related to their potential, mechanical properties, some manufacturing processes, applications, challenges, and prospects.
Kekuatan Tarik dan Biodegradabilitas Biokomposit PVA berpengisi Serbuk Kulit Kacang Tanah sebagai Separator Baterai Revvan Rifada Pradiza; Juniar Maulana Soliwi Putra; Silvi Istiqomah; Dwi Heru Siswantoro; Alfi Hasan; Mochamad Asrofi; Yayang Permadi; Deny Tomy Andrianto; Ananda Yuman Hardiansyah
Virtual of Mechanical Engineering Article Vol 11 No 1 (2026): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v11i1.7628

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh penambahan serbuk kulit kacang tanah terhadap sifat mekanik dan biodegradabilitas biokomposit berbasis Polyvinyl Alcohol (PVA) yang memiliki potensi aplikasi sebagai separator baterai. Biokomposit dibuat dengan penambahan pengisi serbuk kulit kacang tanah sebesar 0%, 2%, 4%, dan 6%, yang dicampurkan dengan matriks PVA menggunakan metode solution casting. Pengujian kekuatan tarik dilakukan sesuai dengan standar ASTM D882, sementara pengujian biodegradabilitas menggunakan ASTM D6003-96. Hasil penelitian menunjukkan bahwa penambahan serbuk kulit kacang tanah meningkatkan kekuatan tarik biokomposit seiring bertambahnya fraksi pengisi. Biokomposit dengan 6% serbuk kulit kacang tanah menghasilkan kekuatan tarik maksimum sebesar 5,67 MPa. Hasil ini dibuktikan dengan hasil penyerapan kelembaban pada penambahan 6% serbuk kulit kacang tanah yang memiliki hasil terendah, sehingga gugus O-H yang terbebas berkurang. Selain itu, hasil uji biodegradasi menunjukkan bahwa semakin tinggi serbuk kulit kacang tanah, semakin besar pula laju degradasi biokomposit, dengan penurunan berat tertinggi sebesar 62,70% pada sampel dengan 6% pengisi setelah 15 hari penguburan. Temuan ini menunjukkan bahwa serbuk kulit kacang tanah berpotensi meningkatkan sifat mekanik dan biodegradabilitas biokomposit, menjadikannya alternatif ramah lingkungan untuk bahan separator baterai
Pengembangan Media Praktikum Aerodinamika Kendaraan Berbasis Wind Tunnel Open Circuit Menggunakan Smoke Generator: Penelitian Deny Tomy Andrianto; Dwi Heru Siswantoro; Muhammad Nur Cahyo Hidayat Nasrullah; Revvan Rifada Pradiza; Yayang Permadi; Alfi Hasan
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.6755

Abstract

Penelitian ini bertujuan merancang dan membangun wind tunnel tipe open circuit berbiaya rendah yang dilengkapi smoke generator sebagai media pembelajaran aerodinamika kendaraan. Pengujian dilakukan pada tiga variasi kecepatan aliran udara dengan tiga kali replikasi, mengukur kecepatan udara dan mengamati pola aliran secara visual. Hasil menunjukkan bahwa peningkatan kecepatan kipas meningkatkan kecepatan aliran hingga batas tertentu sebelum terjadi turbulensi. Pola asap memperlihatkan perubahan aliran dari laminar, transisi, hingga turbulen dengan terbentuknya wake dan vortex shedding pada kecepatan tinggi. Temuan ini membuktikan bahwa alat mampu memvisualisasikan karakteristik aliran udara secara efektif sebagai media pembelajaran aerodinamika dasar dan berpotensi dikembangkan lebih lanjut dengan sistem pengukuran dan visualisasi yang lebih komprehensif.
Desain dan Fabrikasi Rumah Sampah Botol Plastik di Lingkungan Desa Sukodono: Pengabdian Dwi Heru Siswantoro; Alfi Hasan; Deny Tomy Andrianti; Yayang Permadi; Revvan Rifada Pradiza
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.7267

Abstract

Peningkatan penggunaan botol plastik sekali pakai di lingkungan Desa Sukodono menimbulkan kebutuhan akan sarana pengumpulan yang terpusat dan mudah diakses masyarakat. Selama ini, botol plastik umumnya masih tercampur dengan sampah rumah tangga lain dan dibuang tanpa proses pemilahan, sehingga berpotensi menurunkan kualitas lingkungan. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk menyediakan fasilitas khusus penampungan botol plastik melalui desain, fabrikasi, dan penyerahan Rumah Sampah Botol Plastik berbahan besi dengan bentuk menyerupai rumah di Desa Sukodono. Kegiatan dilaksanakan dalam tiga tahapan utama, yaitu tahap desain yang meliputi survei kebutuhan dan penyusunan gambar kerja Rumah Sampah, tahap fabrikasi struktur rangka besi, pemasangan dinding berongga dan atap, serta pengecatan. Hasil kegiatan menunjukkan bahwa satu unit Rumah Sampah Botol Plastik berbahan besi berhasil diwujudkan dan dipasang dengan kondisi struktural yang kokoh, fungsional, dan mudah dikenali sebagai titik kumpul botol plastik. Fasilitas ini menjadi infrastruktur awal yang dapat mendukung pengembangan sistem pengelolaan sampah plastik berbasis masyarakat di Desa Sukodono, sekaligus berpotensi direplikasi di wilayah lain dengan penyesuaian kebutuhan kapasitas dan konteks lingkungan.
Pelatihan Pemanfaatan Kecerdasan Buatan bagi Guru Sekolah Dasar di Surabaya untuk Mendukung Transformasi Pembelajaran Digital: Pengabdian Kevin Harlis Oktaviano; Kevin Ilham Apriandy; Oktavia Citra Resmi Rachmawati; Lutfia Puspa Indah Arum; Revvan Rifada Pradiza; Dwi Heru Siswantoro
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.6896

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan literasi dan kompetensi guru Sekolah Dasar (SD) di Surabaya dalam pemanfaatan teknologi kecerdasan buatan (AI) untuk mendukung proses pembelajaran. Kegiatan ini dilaksanakan dalam bentuk lokakarya yang diikuti oleh 102 peserta dan bertempat di SDN Keputran I/332. Metode pelaksanaan meliputi penyampaian materi, diskusi interaktif, serta praktik langsung penggunaan berbagai peralatan AI seperti NotebookLM, AI Poem Generator, dan Suno AI. Hasil kegiatan menunjukkan baiknya antusiasme peserta yang ditandai dengan partisipasi aktif selama sesi diskusi, kuis, dan praktik. Peserta mampu memahami konsep dasar AI serta mengaplikasikan teknologi tersebut untuk mendukung penyusunan materi pembelajaran, pembuatan konten edukatif, serta peningkatan produktivitas administratif kerja. Meskipun terdapat kendala seperti keterbatasan perangkat dan koneksi internet, kegiatan ini berhasil meningkatkan pemahaman awal dan kesiapan guru dalam mengadopsi teknologi AI guna menciptakan transformasi pembelajaran digital yang lebih adaptif terhadap perkembangan teknologi.
Co-Authors Alahmadi, Mohammed Alfi Hasan Ananda Yuman Hardiansyah APRIANDY, KEVIN ILHAM Aris Zainul Muttaqin Danang Yudistiro Dedi Dwilaksana Deny Tomy Andrianti Deny Tomy Andrianto Dwi Heru Siswantoro Fatah, Ghaibi Alimul Gaguk Jatisukamto Hary Sutjahjono Ilyas, Rushdan Ahmad Juniar Maulana Soliwi Putra Kevin Harlis Oktaviano Kevin Ilham Apriandy Lutfia Puspa Indah Arum Mahros Darsin Midhun Dominic C. D. Mochamad Asrofi Mochamad Asrofi Mochamad Asrofi Muhammad Abduh Muhammad Nur Cahyo Hidayat Nasrullah Muhammad Yusuf Muhammad Yusuf Muhammad Yusuf Oktavia Citra Resmi Rachmawati Permadi, Yayang Puranggo Ganjar Widityo R. A. Ilyas Salahuddin Junus Salahuddin Junus Silvi Istiqomah Siswantoro, Dwi Heru Sumardi Sumardi Wibowo, Robertoes Koekoeh Koentjoro Yani, Luluk Fitri Yayang Permadi Yayang Saif Izzudin