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All Journal Media Kesehatan Masyarakat Indonesia PENELITIAN DAN KARYA ILMIAH JOURNAL OF EARTH ENERGY ENGINEERING JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Abdimas Universal Journal of Applied Engineering and Technological Science (JAETS) Intervensi Komunitas: Jurnal Pengabdian Masyarakat Community Empowerment JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Jurnal AKAL: Abdimas dan Kearifan Lokal Petro : Jurnal Ilmiah Teknik Perminyakan JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Mustamina Maulani
Fakultas Teknologi Kebumian Dan Energi, Universitas Trisakti, Jakarta, Indonesia
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Effect of Zinc Addition in Copper to Structure, Hardness, Corrosion, and Antibacterial Activity Lisa Samura; Mustamina Maulani; Cahaya Rosyidan; Kartika Fajarwati Hartono; Suryo Prakoso; Evi Ulina Margareta Situmorang; Daniel Edbert; Bambang Soegijono; Muhammad Yunan Hasbi; Ferry Budhi Susetyo
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.6098

Abstract

Brass (CuZn) is widely used today due to better mechanical, thermal, and chemical properties. The present research fabricated CuZn alloy by adding various Zn (6, 9, and 12 wt.%) to the Cu using gravity casting. Casts CuZn alloy by adding various Zn to the Cu to investigate optimum composition were resulting highest inhibited of bacterial activity. In addition, the structure, hardness, and electrochemical behavior of the alloy were also investigated using XRD, Vickers hardness, and potentiostat equipment. XRD confirmed that CuZn alloy has an alpha phase, and a FCC crystal structure. The rise of the Zn content in the alloy led to an increase in crystallite size, a decrease in the hardness and a shift to a more negative OCP potential at 1200 s measurement. Enhancing the Zn content to 9 wt.% in the alloy lead to decrease the corrosion rate. Moreover, 24-hour post-contact observation found that the sample places removed remained clear of bacteria. The Cu6Zn sample successfully inhibited the growth of Escherichia coli in the 3rd hour, while Staphylococcus aureus was 100 % reduced in the 7th hour. The Cu6Zn sample could be used as an alternative material for medical equipment in ambulances.
Co-Authors Adji Nadzif Sidqi Andry Prima Arinda Ristawati Arinda Riswati Asih Retno Dewanti Asri Nugrahanti Astri Rinanti Atridia Wilastrina Awang Eka Novia Rizali Azizi, Masagus Ahmad Bambang Soegijono Bayu Satiyawira Cahaya Rosyidan Ciptadhi Tri Oka Binartha Daniel Edbert Dian Octaviani Djunaedi Agus Wibowo Evi Ulina Margareta Situmorang Fadliah, Fadliah Faldo Matulessy Firman Aryandi Gabriella Jasmine Gihon Nugrahadi Hamid Nurrohman hanz seca rifansyah cipta maheza Harin Widiyatni Havid Pramadika Havidh Pramadika Henry Young Kartika Fajarwati kartika fajarwati hartono Kuntjoro, Yanif Dwi Kurniawati, Riskaviana Larasati, Dinda Annissa M. Kemal Disaputra Maman Djumantara Mohammad Apriniyadi Mohammad Ischak Mohammad Ischak Muhammad Burhannudinnur Muhammad Burhannudinnur Muhammad Yunan Hasbi Pauhesti Pauhesti Puri Wijanti Puri Wijayanti Raisha Marsha Rendi Amanda Rina Fitriana Rini Setiati Risyad Baihaqi Rosmalia Dita Nugraheni Samura, Lisa Sangayu Ketut Laksemi Nilotama Suryo Prakoso, Suryo Susetyo, Ferry Budhi Syamsul Irham Tuheteru, Edy Jamal Valentinus Galih Vidia Putra Virginia Suryani Setiadi Waldah Nurjamilah Wawan Kurniawan Wegig Murwonugroho Wiwik Dahani Wiwik Dahani Yulia, Prayang Sunny Zakiah D. Nurfajrin