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All Journal Jurnal Rekayasa Mesin Aptekmas : Jurnal Pengabdian Kepada Masyarakat
Hendri Chandra
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PEMANFAATAN PENGERING TENAGA SURYA DALAM PRODUKSI JAHE MERAH KERING DIKAWASAN GANDUS PALEMBANG Utami, Nurhabibah Paramitha Eka; Diah Kusuma Pratiwi; Hendri Chandra; Randi Gaga Pisasefsio Pratama
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 7 No 1 (2024): APTEKMAS Volume 7 Nomor 1 2024
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v7i1.8153

Abstract

The utilization of red ginger, a rhizome rich in benefits, as a product with high market value can be achieved through the use of simple solar drying technology. However, there is still limited understanding of harnessing solar energy as a freely available drying source in nature. Community service activities aim to provide the basic theory of how to dry red ginger using solar energy, with the hope of enhancing community empowerment and contributing to economic self-reliance efforts. The target audience for this activity includes housewives, youth groups (Karang taruna), mosque youth associations, and local farmers in the MPD RT 02 Gandus Palembang area. The results of this activity show that the participants were highly enthusiastic in participating in discussions and Q&A sessions regarding the process of drying red ginger to create products with higher market value
ANALISA LAJU KOROSI AA 6063-2PKSA-2SIC YANG DI FABRIKASIKAN DENGAN METODE STIR SQUEEZE CASTING Prima Maulidino Abdurrahman; Astuti; Marwani; Diah Kusuma Pratiwi; Hendri Chandra; Jimmy Deswidawansyah Nasution; Nurhabibah Paramitha Eka Utami
Jurnal Rekayasa Mesin Vol. 26 No. 1 (2026): Jurnal Rekayasa Mesin
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/2dr8mk33

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh parameter stir-squeeze casting terhadap laju korosi, kekerasan, dan struktur mikro Aluminium Matrix Composite (AMC) berbasis Aluminium 6063 yang diperkuat Palm Kernel Shell Ash (PKSA) dan Silikon Karbida (SiC). Penelitian dilakukan dengan memanfaatkan limbah biomassa PKSA sebagai material penguat alternatif yang ramah lingkungan dan bernilai ekonomis. Komposisi material yang digunakan terdiri dari Aluminium 6063 sebagai matriks, 2 PKSA, 2 SiC, dan 1 Magnesium (Mg) sebagai wetting agent. Proses fabrikasi dilakukan menggunakan metode stir-squeeze casting dengan variasi tekanan 3 ton, 6 ton, dan 9 ton. Pengujian yang dilakukan meliputi uji korosi menggunakan metode perendaman dalam larutan H₂SO₄ selama 48 jam dan 144 jam, uji kekerasan Brinell, serta pengamatan struktur mikro menggunakan mikroskop optik. Hasil penelitian menunjukkan bahwa peningkatan tekanan squeeze casting mampu meningkatkan kualitas komposit. Spesimen dengan tekanan 9 ton menghasilkan laju korosi paling rendah serta nilai kekerasan tertinggi dibandingkan tekanan 3 ton dan 6 ton. Pengamatan struktur mikro menunjukkan distribusi partikel penguat yang lebih homogen dan porositas yang lebih sedikit pada tekanan tinggi. Dengan demikian, proses stir squeeze casting pada tekanan 9 ton menghasilkan sifat mekanik dan ketahanan korosi terbaik pada komposit Aluminium 6063 berpenguat PKSA dan SiC.
Co-Authors Astuti Diah Kusuma Pratiwi Jimmy Deswidawansyah Nasution MARWANI Nurhabibah Paramitha Eka Utami Prima Maulidino Abdurrahman Randi Gaga Pisasefsio Pratama Utami, Nurhabibah Paramitha Eka