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All Journal Jurnal Ilmiah Giga Jurnal Penelitian Pendidikan IPA (JPPIPA) JPF (Jurnal Pendidikan Fisika) Universitas Islam Negeri Alauddin Makassar Jurnal E-Komtek ADMA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Pengabdian Kepada Masyarakat Patikala JPFT (Jurnal Pendidikan Fisika Tadulako Online)
Rizki Ilmianih
Universitas Tadulako
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Nursing Physics Social Sciences Other

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Implementasi Modul IPBA_Ecolisa untuk Meningkatkan Keterampilan berpikir logis dan kritis Nurasyah Dewi Napitupulu; Miftah; I Wayan Darmadi; Muhammad Jarnawi; Rizki Ilmianih
Jurnal Penelitian Pendidikan IPA Vol 12 No 3 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i3.13805

Abstract

This study examines the effectiveness of Earth and Space Science modules integrated with eco-pedagogy and science literacy (IPBA-EcoLisa) in improving students’ logical and critical thinking skills. A pre-test–post-test design was employed with 43 prospective physics teacher students. Data were collected using validated instruments measuring logical and critical thinking abilities and analyzed using N-Gain scores. The results indicate a moderate improvement in logical thinking skills (N-Gain = 0.36), particularly in students’ ability to apply patterns and rules to predict Earth and Space Science issues. Critical thinking skills demonstrated a significant improvement (N-Gain = 0.52), with the most notable gains observed in the Basic Support and Basic Clarification indicators. These findings suggest that integrating eco-pedagogy and science literacy within IPBA learning effectively strengthens higher-order thinking skills while fostering environmental awareness. In conclusion, the IPBA-EcoLisa module represents a promising instructional approach for supporting sustainable science education and enhancing essential cognitive competencies in physics education students.
The Welding Defect Analysis on ASTM A106 Grade B with Inconel 82 Using Metallography Test and Microhardness Test Arief Muliawan; Rizki Ilmianih
Jurnal E-Komtek Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2195

Abstract

Welding inspection is an important practice to assess the integration of structures and their components in many industrial applications. The quality of industrial pipes must be able to withstand high pressures and temperatures, such as in the riser tube primary reformer. In this study, inspection of welding results on ASTM A106 grade B pipes with Inconel 82 using metallography and microhardness was carried out. Based on the results of visual tests and penetrant tests, cracks were found in the meeting area between the Inconel 82 weld and ASTM A106 grade B. The results of the metallography test in the meeting area between Inconel 82 and ASTM A106 grade B showed continuous microcracks and continuous macrocracks. The results of microhardness testing in the area around the crack had a lower hardness value than the area far from the crack. The welding connection of ASTM A106 grade B with Inconel 82 could not be used optimally at a temperature of 748oC because Inconel 82 has a silicon element of 0.5% which causes a difference in solidification between ASTM A106 grade B and Inconel 82
Co-Authors Alfito, Alfito Arief Muliawan D, Darsikin Darsikin Darsikin Daud, Susmawati Fadil, Moh Gustina Gustina Haeruddin Haeruddin Haryati Haryati I Komang Werdhiana I Wayan Darmadi Kamaluddin Kamaluddin Ketut Alit Adi Untara Khuzaimah, Andi Ulfah Miftah Muhammad Jarnawi Muhammad Zaky MUSLIMIN M, MUSLIMIN Naposia, Naposia Nurasyah Dewi Napitupulu Nurjannah Nurjannah Nurul Fitriah Aras Puspita, Julita Ratnaningtyas, Delthawati Isti Rudi Santoso, Rudi Sahrul Saehana Sambali, Hartati S. Sani, Nurul Kami Syamsu S, Syamsu Syamsuriwal, Syamsuriwal Unggul Wahyono