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Journal : Makara Journal of Science

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Effect of Niobium Addition on Corrosion Behavior, Mechanical Properties, and Microstructures of U6Zr Alloys in an Aerated Environment Masrukan, Masrukan; Handoko, Djati; Djuhana, Dede; Sigit, Rohmad; Al Hasa, M. Husna; Adi, Wisnu Ari; Mardiah, Siti
Makara Journal of Science Vol. 29, No. 4
Publisher : UI Scholars Hub

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Abstract

The effect of Nb addition on the corrosion behavior of U–6Zr alloys within an aerated, demineralized water (DW) environment (pH 5.61) and its correlation of this addition with the mechanical and microstructural properties of the alloys were investigated. The U–6Zr–xNb alloys (x = 1, 4, and 7 wt.%) were synthesized by arc-melting U, Zr, and Nb. Additionally, the samples were mounted and polished, after which they were subjected to electrochemical corrosion analysis using a potentiostat. This evaluation was conducted in a DW medium (pH 5.6), representing an aerated atmosphere, at room temperature (27°C) and a potentiodynamic scan rate of 1 mV/cm2. The results demonstrate that Nb addition to the U–6Zr alloy, which yielded a U–6Zr–xNb (x = 1.4 and 7 wt.%) alloy, influenced the corrosion behavior in media, exhibiting a slightly acidic pH (5.61). Nb additions of up to 4 wt.% caused a continuous increase in the open-circuit potential, corrosion-current density, and corrosion rate (CR); however, these values decreased with the continuous increase in Nb concentrations to 7 wt.%. Furthermore, microstructural analysis via scanning electron microscopy and energy-dispersive X-ray spectroscopy revealed that the corrosion products across almost all U–6Zr–xNb test samples (x = 0, 1, 4, and 7 wt.%) were primarily stable uranium dioxide, which formed a protective layer, followed by oxynitride and zirconium(IV) oxide.Overall, the findings indicated that the varying Nb contents (1, 4, and 7 wt.%) dictated the CR, mechanical properties, and microstructure of the alloys. Ultimately, this study demonstrates the synthesis of U–6Zr–xNb alloys (x = 0, 1, 4, and 7 wt.%) with enhanced performance characteristics.
Co-Authors Abdul Ghofur Achmad Buchori Afryany, Laylya Agung Ramadan, Yoshida Agus Wahyudin Aida, Siti Akhmad Fauzi Alhasa, M Husna Amalia Fikri Utami Aminuyati Ani Rusilowati Ardhi Prabowo Arief Agoestanto Arif Hidayad Arivina, Aulia Nur Ary Woro Kurniasih Asih, Tri Sri Noor Astatik, Reni Panca Andri Atho'illah, Ibnu Azizia, Ananda Jullailatul Azka, Maulida Zammalatul Bambang Eko Susilo Bayquni, Bayquni Budi Waluya, Stevanus Darmawan, Eman Dede Djuhana Dewi, Nuriana Rachmani Dewi, Nuriana Rachmani Djoko Widodo Djuniadi Djuniadi Dwi Biyantoro Dwi Hermanto Dwi Purwaningsih, Dwi Dwijanto Dwijanto, Dwijanto Eko Adinuryadin, Eko Eko Pujianto Elmagustilla, Sheila Rosita Ely Susanti Ema Butsi Prihastari Ratna Widyaningrum, Ema Butsi Prihastari Endang Werdiningsih, Endang Etty Mutiara Fakhruddin, Fakhruddin Farida Hidayati Fattayati, Fattayati Fauziah Asri Latifah, Fauziah Asri Gaol, Paltiman Lumban Gorotomole, MM. Alamin Hadijaya Hadijaya Halim, Mansyur Ali Handoko, Djati Haqiqi, Muhamad Irwan Hendriani, Batul Fatin Hery Sutarto Huda, Alimul Hutagaol, Antonio Gogo Isnarto, Isnarto Isti Hidayah Isyuniarto Isyuniarto Iwan junaedi Jan Setiawan Kartika Yuni Purwanti Kartono , Kasir Santoso Widodo, Kasir Santoso Khairunnisa, Muthia Khoir, Nisaul Lathifatul Lintang, Anggit Cahya Lisa Virdinarti Putra M. Husna Al Hasa Marfu'ah, Solikhatun Marwazi, Muhammad Mawarti, Sela Maya Kusuma, Sarli Bamoris Meniek Rachmawati Mohammad Asikin Muchammad Imron Muhammad Khumaedi Mulyono Mulyono Munawaroh, Siti Badriatul Nereroan, Yuliana Nining Setyowati Noor, Hanif Juhar Nurkaromah Dwidayati, Nurkaromah Pamungkas, Mieko Taqwa Parotua, Andar Jaya Pranawestu, Aditya Prasetyo, Kakung Pratiwi, Mayasari Dian Puji Handayani Puspitasari, Anis Widi Putra, Ngurah Made Darma Putranto, Dwi Putriaji Hendikawati Rahayu, Yenrika Kurniati Rahmatussolihah, Irkhas Tri Rifqiyana, Lilyan Rina Dwi Setyawati Risdianti, Ana Rivo Panji Yudha Riza Arifudin Rochmad - Rosika Kriswarini Rukmi, Kuntjahjawati Susilo Adi S. B. Waluya, S. B. Sa'adah, Daroinis Safaatullah, Muh. Fajar Samsudi . Santika Lya Diah Pramesti Saputro, Didik Adi SAR, Kuntjahjawati Scholastika, Mariani Scolastika Mariani Sefiany, Nadia Sholikati, Sholikati Sigit Gunawan Sigit, Rohmad Siti Mardiah, Siti Slamet Hariyadi Sri Murwati, Sri SRI WARDANI Sri Wijayanti St. Budi Waluya Sugiyo Sugiyo, Sugiyo Sugiyono Sugiyono Sukamto Sukamto Sukestiyarno Sukestiyarno Sulhadi - Sunawan Sunawan Sungkono Sungkono Suprihatini, Noerhidayah Suprihatini, Noerhidayah Suryaman, Ganisa K Suryati Suryati Taulia Damayanti Tolang, Korsini Heru Setiawan Triyono Triyono Umar Santoso Usman Sudjadi Vembriliya, Zelmy Adista Wahyu Hardyanto Wahyu Lestari Walid Walid, Walid Wardono Wardono Wesna, Merry Wisnu Ari Adi Wiwi Isnaeni Wiyanto - Wulandari, Enika Wuryanto Wuryanto Yanlinastuti Yanlinastuti Yumaroh, Yumaroh Yunus, Muhamad Yasin Zaenuri Mastur Zubaedi, Muhammad Fakqih