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Efektivitas Suhu Operasi dalam Peningkatan Lapisan Oksida Hasil Hard Anodizing Aluminium dalam Asam Sulfat 15% dan Asam Phospat 1% Salsabila, Intan; Rusmana, Muchamad Raihan Surya; Puspita, Nina; Fauzan, Rizky; Sihombing, Rony Pasonang
Prosiding Industrial Research Workshop and National Seminar Vol 14 No 1 (2023): Vol 14 (2023): Prosiding 14th Industrial Research Workshop and National Seminar
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/irwns.v14i1.5362

Abstract

Anodisasi merupakan metode pelapisan logam yang melibatkan konversi permukaan logam menjadi lapisan oksida melalui proses elektrolisis. Salah satu tujuan dari metode ini adalah untuk melindungi bagian logam sehingga dapat meningkatkan nilai kekerasan, ketahanan terhadap korosi, dan tahan aus. Penelitian ini bertujuan untuk mengevaluasi pengaruh variasi suhu operasi terhadap efisiensi dan ketebalan lapisan oksida yang dihasilkan melalui proses anodisasi. Larutan elektrolit yang digunakan meliputi asam sulfat 15% dengan penambahan konsentrasi phospat 1%. Spesimen yang digunakan adalah aluminium tipe 1100 dengan tingkat kemurnian 99,00%, diberikan rapat arus sebesar 3A/dm2, waktu anodisasi berlangsung selama 30 menit pada variasi suhu 5°C; 10°C; dan 15°C. Berdasarkan analisis data didapatkan bahwa penggunaan suhu operasi yang rendah dapat meningkatkan nilai efisiensi, ketebalan lapisan oksida dan massa oksida. Nilai massa oksida dan efisiensi tertinggi diperoleh dari penelitian hard anodizing dengan suhu 5oC dan waktu anodisasi selama 30 menit, dengan hasil massa oksida sebesar 0,255 g dan efisiensi proses 69,03%. Nilai ketebalan lapisan oksida terbaik sebesar 18,43 µm diperoleh dari penelitian hard anodizing dengan suhu 5°C dan waktu anodisasi selama 30 menit.
Penerapan Model Pembelajaran Project Based Learning (PjBL) untuk Meningkatkan Hasil Belajar Siswa Pada Muatan IPA Kelas IV SD Israwaty, Ila; Mukhlisa, Nurul; Bahar, Bahar; Salsabila, Intan
JIKAP PGSD: Jurnal Ilmiah Ilmu Kependidikan Vol 7, No 2 (2023): MEI (JIKAP PGSD)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jkp.v7i2.45344

Abstract

This study objectives to improve students learning processes and students achievement in science content of grade IV UPT SD Negeri 2 Rappang. Qualitative research approach with the type of classroom action research (PTK). The implementation of the action consists of planning, implementation, observation, and reflection. The percentage level of the process and student learning achievement is known through the results of observation sheets and evaluation tests in each cycle. The subjects of this research are teachers and grade IV students in the 2022/2023 school year totaling 20 students. The results of the first cycle research on the teacher aspect obtained C qualifications, the student aspect C qualifications, and the results of the student evaluation test C qualifications. The results of the implementation of cycle II on the teacher aspect obtained qualification B, the student aspect qualification B, and the results of the student evaluation test qualification B. The conclusion of this research is that by applying the Project Based Learning (PjBL) learning model can improve the process and learning achievement of students in the science content of grade IV UPT SD Negeri 2 Rappang.
Pendekatan Bimbingan dan Konseling dalam Mengatasi Pelanggaran "Pamali" di Kampung Pulo Berbasis Kearifan Lokal Mulyana, Citta Lena Putri; Mubarokah, Rina; Latifah, Kanya; Salsabila, Intan; Asyifa, Firyal Khansa; Supriatna, Mamat
Jurnal Pengembangan dan Pengabdian Masyarakat Multikultural Vol 2 No 1: BATIK April 2024
Publisher : Institut Riset dan Publikasi Indonesia (IRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/batik.v2i1.1429

Abstract

This research explores the “Pamali” cultural practices of the indigenous community in Kampung Pulo, Garut, West Java as a form of internal control. A phenomenological approach was employed by involving traditional leaders (Pak Kuncen) and community members as informants. Five main “Pamali” were identified, reflecting the community's philosophy of life (simplicity, togetherness, love of nature, spirituality, and honesty). The community adheres to these “Pamali” in their daily activities, with Pak Kuncen and fellow members reminding one another of their importance. Regular community gatherings serve as a forum for mutual reminders and resolving issues related to “Pamali” violations. Adherence to these “Pamali” has an impact on the sustainability of the indigenous community in Kampung Pulo. Therefore, a guidance and counseling approach that integrates local cultural values is needed to address “Pamali” violations and maintain traditions in Kampung Pulo.