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All Journal Majamecha Pemberdayaan Masyarakat: Jurnal Aksi Sosial
Dicki Nizar Zulfika
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Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Education Engineering Mechanical Engineering

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Analisis Laju Korosi Baja Karbon ST 60 Terhadap Larutan Hidrogen Klorida (HCl) Dan Larutan Natrium Hidroksida (NaOh)) Muhamad Rusdi Wildanurdi Khasibudin; Dicki Nizar Zulfika; Rahmat Kusbiantoro
Majamecha Vol. 1 No. 2 (2019): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v1i2.538

Abstract

Korosi merupakan kerusakan material logam yang disebabkan reaksi antara logam dengan lingkungannya yang menghasilkan oksida logam, sulfida logam atau hasil reaksi lainnya yang lebih dikenal sebagai pengkaratan. Penelitian ini menggunakan metode eksperimen. Objek penelitian menggunakan plat baja karbon st 60 dengan ukuran spesimen 28 mm x 18 mm x 3 mm. Menggunakan metode perendaman spesimen dalam wadah uji dengan volume 50 ml dari setiap wadah uji. Untuk perendaman dalam larutan HCl dengan pH 2 laju korosi terbesarnya adalah 22,903 mmpy. Sedangkan untuk perendaman dalam larutan NaOH dengan pH 13 laju korosi terbesarnya adalah 0,036 mmpy. Untuk perendaman dalam larutan HCl dan larutan NaOH laju korosi terbesarnya terjadi pada hari ke 2 saat pengujian dengan larutan HCl dan laju korosi terbesarnya pada hari ke 3 saat pengujian dengan larutan NaOH. Sedangkan laju korosi terkecil sebesar 12,785 mmpy yang di uji menggunakan larutan HCl terjadi pada hari ke 4 pengujian dan laju korosi terkecil sebesar 0,032 mmpy yang di uji mengunakan larutan NaOH terjadi pada hari ke 1 pengujian. Waktu dan pH berpengaruh terhadap laju korosi. Laju korosi terbesar terjadi pada pH asam.
Pendampingan Penggunaan Media Interaktif Zep Quiz Kepada Guru SDN Palrejo Oktavia Istiqomah; Wardania Isnaini Aisyah; Suesthi Rhayuningsih; Achmad Rijanto; Dicki Nizar Zulfika
Pemberdayaan Masyarakat : Jurnal Aksi Sosial Vol. 2 No. 3 (2025): September : Pemberdayaan Masyarakat : Jurnal Aksi Sosial
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aksisosial.v2i3.2074

Abstract

A mentoring activity on the use of the interactive media ZEP Quiz was conducted at SDN Palrejo with the primary goal of improving teachers' skills in utilizing gamification-based learning technology. The background to this activity stems from the fact that most teachers at the school are not yet familiar with or use ZEP Quiz, despite the availability of adequate digital facilities. This minimal use of technology leads to a monotonous learning process and does not facilitate active student engagement. However, in today's digital era, the implementation of innovative learning media is crucial for improving the quality of education. The methods used in this activity included initial observations, interviews with teachers, direct mentoring, and practical use of ZEP Quiz with students in class. The mentoring was designed in the form of structured training that included an introduction to the features, the creation of questions based on Bloom's Taxonomy, and strategies for integrating ZEP Quiz into learning scenarios. The results of the activity showed a significant increase in teachers' knowledge and skills. Teachers were able to operate ZEP Quiz independently, develop questions according to cognitive level, and apply them to the teaching and learning process. The implementation in the classroom received a positive response from students, characterized by high enthusiasm, active participation, and a fun, competitive atmosphere. These findings support previous research on the effectiveness of gamification in improving student motivation, engagement, and learning outcomes. In conclusion, mentoring the use of ZEP Quiz has proven effective in strengthening teacher competency while creating interactive learning that motivates students. Going forward, innovative and sustainable efforts are needed, including varying question content, developing gamification strategies, and integrating with other digital platforms, to avoid declining motivation due to the novelty effect and ensure the sustainability of technology-based learning in schools.
Co-Authors Achmad Rijanto Muhamad Rusdi Wildanurdi Khasibudin Oktavia Istiqomah Rahmat Kusbiantoro Suesthi Rhayuningsih Wardania Isnaini Aisyah