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Urania
ISSN 0852-4777 · Penerbit BRIN · 165 artikel di indeks
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Artikel Jurnal
A Critical Review of Radioactive Substances Security Management in Indonesia: Regulatory Framework and Implementation Challenges Based on Actual Incidents
The utilization of radioactive sources in various sectors, including medicine and industry, offers significant benefits to public welfare but also poses serious risks if not managed securely. This review article highlights the urgent need for a comprehensive understanding of radioactive substances…
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Artikel Jurnal
A Review on High-Temperature Steam Oxidation Resistance of Zirconium Cladding Materials Subjected to Plasma Electrolysis
Zirconium alloys, such as Zircaloy-4 and ZIRLO, are the standard cladding materials in pressurized water reactors (PWR) due to their low neutron absorption and corrosion resistance. Yet, under loss-of-coolant accident conditions, rapid steam oxidation above 900 °C accelerates hydrogen uptake…
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Artikel Jurnal
ANALYSIS OF DENSITY, PHASE, AND MICROSTRUCTURE IN U–Mo ALLOYS
The performance of research reactors heavily depends on the intensity of the neutron flux produced, which is a key factor in reactor efficiency and effectiveness. To enhance the performance of research reactors, high-density fuel is required to increase neutron flux in the reactor core, enabling…
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Artikel Jurnal
DEVELOPMENT OF MATERIALS FOR IMMOBILIZATION OF CESIUM AND CERIUM BASED ON A COMBINATION OF NOCHAR SUPER ADSORBENT AND UNSATURATED POLYESTER FOR PRODUCTION WASTE RADIOISOTOPE 99Mo
This research aims to develop unsaturated polyester-based materials combined with Nochar superabsorbent as radioactive waste immobilization materials. The focus is to lock up radioactive elements such as cesium (Cs) and cerium (Ce), which are used as surrogates for 99Moradioisotope waste. This…
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Artikel Jurnal
Uranium Adsorption Behavior on Pacitan Bentonite
Uranium adsorption by Pacitan bentonite was investigated to evaluate its capacity for capturing uranium ions under various conditions. Before being used as an adsorbent, Pacitan bentonite was characterized in terms of pore structure, surface area, surface morphology, adsorption capacity, and…
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Artikel Jurnal
INTEGRATION OF SAFETY ANALYSIS USING HAZOPS AND FTA ON PRECIPITATION PROCESS IN URANIUM REFINING AND CONVERSION FACILITY
Implementation of safety at nuclear facilities must be implemented as well as possible. This is related to safety, especially for operators who carry out the process directly. In the uranium refining and conversion facility, safety analysis using HIRADC has been implemented to support safety in…
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Artikel Jurnal
The Effect of Current Density on The Surface Morphology in the Thin Coating Process of Nickel on Zr-2 Using the Electroplating Method
After the Fukushima-Daiichi reactor accident in 2011, one of the research and development focuses of nuclear fuel worldwide has been on coatings for Enhanced Accident Tolerant Fuels (EATF). Chromium (Cr) coatings are considered suitable due to their high oxidation resistance; however, Cr has…
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Artikel Jurnal
ENHANCING CORROSION RESISTANCE OF AISI–1010 IN RSG–GAS SECONDARY COOLING PIPES THROUGH INHIBITOR COMPOUND INTERVENTION
The secondary cooling pipes of RSG-GAS utilize AISI-1010, facilitating water circulation directed to the cooling tower after heat absorption from the primary coolant in the heat exchanger. The subsequent dissipation of heat through the cooling tower into the ambient air aims to uphold the primary…
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Artikel Jurnal
Effect of Gamma Irradiation on Crosslink Density and Chemical Characteristics of Gadolinium Oxide-Natural Rubber Vulcanizate Composite
Natural rubber is a polymer that has been widely used in various industrial applications because of its high flexibility. In this study, vulcanizates were developed from SiO2-reinforced natural rubber with added Gd₂O₃. Vulcanizate composites containing 0, 5, and 10 phr of Gd₂O₃ were fabricated to…
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Artikel Jurnal
INFLUENCE OF Mo AND Nb CONTENT ON THE MECHANICAL AND CORROSION PROPERTIES OF AlCrMoNbZr HIGH-ENTROPY ALLOYS FOR NUCLEAR FUEL CLADDING
The effect of varying Mo and Nb content in AlCrMo5%NbZr and AlCrMoNb5%Zr on their mechanical and corrosion properties has been investigated. X-ray diffraction (XRD) analysis revealed the presence of cubic and hexagonal crystal structure, with AlCrMoNb5%Zr exhibiting a higher concentration of…
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Artikel Jurnal
Resrad Parameter Sensitivity Simulation To Ascertain Local Parameters for Safety Assesment on Bangka Island
Tin slag and waste generated by tin processing often contain Technologically Enhanced Naturally Occurring Radioactive Materials (TENORM), which pose significant radiation hazards to workers, the public, and the natural ecosystem. To mitigate these risks, the development of a dedicated landfill…
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Artikel Jurnal
CORROSION CHARACTERISTICS STUDY ON URANIUM AND ITS ALLOYS (U-Nb, U-Zr, AND U-Zr-Nb)
Uranium metal (U) and its alloys, such as U-Zr, U-Nb, and U-Zr-Nb, can be used as fuel in nuclear reactors, especially in research reactors. These fuels have various characteristics, including physical, chemical, mechanical, and corrosion properties. Among these characteristics, fuel corrosion…
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Artikel Jurnal
KOMPARASI PERFORMA MONITOR RADIASI GAMMA DALAM PEMANTAUAN RADIASI REAL–TIME
Badan Riset dan Inovasi Nasional memiliki fasilitas riset yang digunakan untuk penelitian terhadap bahan nuklir yang memiliki potensi bahaya radiasi yang dapat membahayakan pekerja. Untuk mengurangi potensi bahaya radiasi, dilakukan pemantauan radiasi secara rutin oleh pekerja. Untuk mengoptimalkan…
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Artikel Jurnal
PENGARUH KONDISI PENYIMPANAN TERHADAP KETAHANAN KOROSI DRUM BAJA KARBON WADAH LIMBAH RADIOAKTIF
Instalasi pengelolaan Limbah Radioaktif (IPLR) yang berlokasi di Kawasan Nuklir Serpong merupakan satu satunya fasilitas pengelolaan limbah radioaktif yang telah mengelola limbah radioaktif dari seluruh wilayah Indonesia. Berbagai jenis limbah telah diolah di fasilitas ini antara lain limbah padat…
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Artikel Jurnal
SAFETY INTEGRITY LEVEL ASSESSMENT AT URANIUM EVAPORATOR AND DEPOSITION VESSEL IN NON NUCLEAR REACTOR INSTALLATIONS
The operation of non-reactor nuclear installations that use nuclear material in the process must be ensured safely during the process. One of the assessments of the safety level of the protection system that has been owned by the installation is using the Safety Integrity Level (SIL) which assesses…
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Artikel Jurnal
ANALISIS KRITIKALITAS PROSES HYDRIDING SERTA PENYIMPANAN PADUAN UMo DAN UZr SEBAGAI KANDIDAT BAHAN BAKAR REAKTOR RISET MENGGUNAKAN OPENMC
Penelitian bahan bakar reaktor riset saat ini mengarah pada peningkatan densitas uranium untuk menghasilkan fluks neutron yang lebih tinggi dalam rangka peningkatan produksi radioisotop serta efisiensi dan akurasi pada berbagai pengujian material. Pengembangan bahan bakar nuklir di Indonesia saat…
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Artikel Jurnal
ANALISA DAN INTERPRETASI DATA HASIL UJI TAK MERUSAK DALAM RANGKA PENGEMBANGAN BASIS DATA POTENSI CACAT PADA PELET UO2
Pengembangan bahan bakar nuklir baik untuk reaktor riset dan daya telah menjadi fokus penelitian Pusat Riset Teknologi Daur Bahan Bakar Nuklir dan Limbah Radioaktif (PRTDBBNLR), mulai dari tahap fabrikasi, uji pra-iradiasi, iradiasi dan uji pasca-iradiasi. Sebagai satu-satunya fasilitas uji…
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Artikel Jurnal
ADSORPSI URANIUM TERLARUT OLEH KOMPOSIT AMMONIUM DIHYDROGEN PHOSPHATE/ZEOLIT
Zeolit merupakan salah satu mineral aluminosilikat yang banyak dipelajari sebagai material penjerap untuk pengelolaan limbah cair. Mineral ini juga banyak dipelajari untuk pengelolaan limbah cair dari industri nuklir, termasuk di antaranya sebagai penjerap uranium dari limbah cair. Pengelolaan…
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Artikel Jurnal
POTENSI LINGKUNGAN KAWASAN NUKLIR SERPONG DAN EVALUASI KESELAMATAN UNTUK TAPAK FASILITAS BOREHOLE DISPOSAL LIMBAH SUMBER RADIASI BEKAS
Penyimpanan lestari terhadap sumber radiasi bekas (disused sealed radioactive sources = DSRS) masih menghadapi beberapa rintangan, antara lain karena DSRS umumnya berumur paro panjang, tingkat radiasi gamma-photon tinggi, sulitnya opsi untuk dikembalikan ke negara pembuat, dan aktivitas melampaui…
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Artikel Jurnal
ANALISIS PERILAKU ISOTERM, TERMODINAMIKA, DAN KINETIKA ADSORPSI STRONTIUM MENGGUNAKAN TiO2 – ZEOLIT LAMPUNG
Bahan bakar nuklir setelah digunakan di reaktor menghasilkan beberapa hasil fisi, dimana salah satunya adalah strontium (90Sr). Isotop strontium dapat dimanfaatkan menjadi bahan baku pembuatan baterai, tetapi strontium tersebut masih tercampur dengan hasil fisi atau isotop lainnya sehingga…