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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal SOLMA Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Journal of Technomaterial Physics Inovasi Fisika Indonesia (IFI) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Jurnal BATAS Jurnal Polimesin
Zahar, Intan
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Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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Journal : Journal of Technomaterial Physics

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Effect of Annealing Temperature on Mechanical Properties of AISI 1045 Carbon Steel Moraida Hasanah; Susilawati, Susilawati; Zahar, Intan; Mulyadi, Yadi; Rahmadsyah, Rahmadsyah
Journal of Technomaterial Physics Vol. 6 No. 1 (2024): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v6i1.15428

Abstract

Research on the effect of of annealing temperature variations on the mechanical properties of AISI 1045 carbon steel has been conducted by varying the annealing temperatures. The samples used in this study had a diameter of 20 mm and a length of 30 mm. Since AISI 1045 steel is very important in the manufacturing industry, extensive research and development. This study aims to analyze the microstructure formed during the annealing process at different temperatures, to determine the impact of annealing temperature on the hardness values of AISI 1045 steel, and to evaluate the corrosion rate of the steel. The samples were heated in a furnace for 1 hour at temperatures of 250°C, 500°C, 750°C, and 1000°C. After removal from the furnace, the samples were returned to room temperature. Subsequently, hardness tests, corrosion rate tests, and microstructural observations were conducted using a Scanning Electron Microscope (SEM). The results indicated that a hardness of 119.3 HRC could be achieved at 500°C, and a corrosion rate of 0.0014 mm/y could be achieved at 1000°C. The values obtained from these tests, supported by the SEM observations, suggest that AISI 1045 carbon steel exhibits good mechanical properties after the annealing process.
Effectiveness of Ozone Plasma Technology in Enhancing the Survival of Gourami (Osphronemus goramy) Fish Eggs Zahar, Intan; Sari, Dian Puspita; Hasanah, Moraida; Z, Fynnisa
Journal of Technomaterial Physics Vol. 7 No. 1 (2025): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v7i1.19860

Abstract

The gourami (Osphronemus goramy) fish is a freshwater fish commonly found in Asia and widely cultivated by fish farmers or local inhabitants. The survival rate of gourami fish from egg to larva and juvenile stages is very low, at approximately 50%. Several factors, such as unstable environmental conditions, poor water quality, and fungal growth on the eggs, cause this. Typically, synthetic medications or natural materials such as betel leaves and others are used to improve gourami fry's survival rate. In this study, the researchers attempted to apply ozone plasma technology dissolved in water to observe the egg hatchability of gourami fish. This study aims to apply technology in fisheries and aquatic sciences. The results of the study show that ozone technology can be applied to observe larval survival, with the highest survival rates found in the 10-minute and 15-minute ozone treatments, both achieving 100% hatchability, with larval survival rates of 86.67% and 96.66%, respectively.
Co-Authors Abdurrahman, Ahmad Faruq Alfaresa, Aisyah ALI HASIMI PANE Ananda Sitorus, Eka Rizky ANDRIANI, TRI Aprilia, Ayu Batubara, Lokot Ridwan Deddy Wahyudin Purba Dian Puspita Sari Dian Puspitasari Hariyani, Riska Hasibuan, Edisarman Hilda Ayu Marlina Hura, Riusman Irpansyah Siregar jeki Kadir, Abdul Azis Kusumandari, Kusumandari Moraida Hasanah Muhammad Irwansyah, Muhammad Purnama, Bayu Rahmadsyah, Rahmadsyah Ramadhan, Imam Arif Rumiati Rumiati, Rumiati Saktisahdan, T Jukdin Saktisahdan, Tengku Jukdin Siagian, Tony Susilawati, Susilawati SUTRIONO SUTRIONO Teguh Endah Saraswati Yadi Mulyadi Z, Fynnisa Zai, Endriyaman