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All Journal Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) Indonesian Journal of Innovation Studies
Pribadi, Bangun
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Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice Physics

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Enhancing Safety and Durability of AlMgSi Research Reactor Material through Plasma Nitriding: Peningkatan Keamanan dan Daya Tahan Material Reaktor Riset AlMgSi melalui Nitridasi Plasma Pribadi, Bangun; Priyantoro, Dwi; Lutfi , Shokhul; Sujitno , Tjipto
Indonesian Journal of Innovation Studies Vol. 23 (2023): July
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v24i.951

Abstract

This study focuses on enhancing the safety and durability of AlMgSi, a research reactor fuel cladding/structural material, through surface hardening using the plasma nitriding method. The goal is to improve the material's resistance to corrosion while maintaining its integrity under nuclear reactor conditions. AlMgSi samples were nitrided at 448 K for varying times, and the workpiece with the highest surface hardness underwent corrosion and composition tests. The results demonstrated a significant increase in surface hardness by 49% (from 62.35 VHN to 92.79 VHN) and a notable reduction in corrosion rate by 69% (from 11.22 mpy to 3.51 mpy) after plasma nitriding for 3 hours at 448 kelvin. Highlights: Significantly improved surface hardness: Plasma nitriding at 448 K for 3 hours resulted in a remarkable 49% increase in surface hardness, enhancing the material's resistance to wear and deformation. Effective corrosion protection: The plasma-nitrided AlMgSi exhibited a notable 69% decrease in corrosion rate, ensuring the material's longevity and safety under harsh reactor environments. Enhanced nitrogen content: The nitrogen content in AlMgSi increased from 0 to 5.13% atoms after the nitriding process, contributing to the material's improved mechanical and chemical properties.
Nitridasi Plasma Temperatur 423 K pada Permukaan AlMgSi sebagai Bahan Struktur Reaktor Riset Priyantoto, Dwi; Pribadi, Bangun; Lutfi, Shokhul; Sujitno, Tjito
Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) 2022: Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) 2022
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prosidingsnfa.v7i0.71949

Abstract

Abstract: Nuclear reactors can be divided into research reactors and power reactors. The reactor core containing uranium fuel is where the chain fission reaction takes place. One material that can be used as a fuel structure for research reactors is AlMgSi. One of the characteristics of this alloy is hard. Plasma nitriding method can be used for surface treatment of a metal. The plasma nitriding method at 423 K was used to increase the surface hardness of AlMgSi. Plasma nitriding was carried out with variations of time, namely 2 hours, 3 hours, 4 hours and 5 hours. The results showed that AlMgSi surface hardness after plasma nitridation for 3 hours, rose from 62.35 VHN to 87.65 VHN.Abstrak: Reaktor nuklir dapat dibedakan menjadi reactor riset dan reactor daya. Teras reactor, berisi bahan bakar uranium adalah tempat berlangsungnya reaksi fisi berantai. Salah satu material yang dapat digunakan sebagai bahan struktur bahan bakar reactor riset adalah AlMgSi. Logam paduan ini salah satu karakteristiknya adalah keras. Metode nitridasi plasma dapat digunakan untuk perlakuan permukaan suatu logam. Dalam penelitian ini metode tersebut digunakan untuk meningkatkan kekerasan permukaan AlMgSi. Nitridasi plasma dilakukan pada temperatur 423 kelvin dengan variasi waktu adalah 2 jam, 3 jam, 4 jam, dan 5 jam. Dari hasil penelitian ditunjukkan bahwa kekerasan permukaan AlMgSi setelah dinitridasi plasma selama 3 jam, naik dari 62,35 VHN menjadi 87,65 VHN.
Co-Authors Dwi Priyantoro Lutfi , Shokhul Lutfi, Shokhul Priyantoto, Dwi Sujitno , Tjipto Sujitno, Tjito