A5085333796- Nuclear Materials and Properties
- Nuclear reactor physics and engineering
- Material Selection and Properties
- Graphite, nuclear technology, radiation studies
- Nuclear and radioactivity studies
- Hydrogen embrittlement and corrosion behaviors in metals
- Non-Destructive Testing Techniques
- Nuclear Physics and Applications
- Aluminum Alloys Composites Properties
- Fusion materials and technologies
- Advanced ceramic materials synthesis
- Electrodeposition and Electroless Coatings
- Welding Techniques and Residual Stresses
- High-Temperature Coating Behaviors
- Electron and X-Ray Spectroscopy Techniques
- Thermodynamic and Structural Properties of Metals and Alloys
- Corrosion Behavior and Inhibition
- Fiber-reinforced polymer composites
- Metallurgy and Material Forming
- Advancements in Solid Oxide Fuel Cells
- Oil and Gas Production Techniques
- nanoparticles nucleation surface interactions
- High Entropy Alloys Studies
- High-Velocity Impact and Material Behavior
- Heat Transfer and Boiling Studies
National Nuclear Energy Agency of Indonesia
2015-2024
National Research and Innovation Agency
2022-2024
University of Indonesia
2023
Badan Pengkajian dan Penerapan Teknologi
2017-2022
The hardness and corrosion resistance of nickel (Ni) deposit on a substrate could be reached by controlling electrolyte temperature during deposition. In this research, the electrodeposition Ni at various temperatures electrolytes was performed. Electrodeposited films using an optical digital camera, X-ray diffraction (XRD), scanning electron microscope with energy-dispersive x-ray spectroscopy (SEM-EDS), microhardness test, potentiostat were investigated. bright occurred 25 °C; increase in...
Ensuring subcriticality over storage duration, even in accident condition, is one of the important requirements for dry cask designed to store spent fuel from nuclear reactor. To comply this requirement, neutron absorbers are incorporated basket decrease multiplication factor and reactivity. The objectives study prepare Cd/316L composite absorber material by powder metallurgy determine shielding performance obtained composite. Powder mixtures SS316L with various Cd contents were milled using...
STUDY OF FISSION GAS BUBBLES AND INTERACTION LAYER ON IRRADIATED U3Si2-Al DENSITY 4.8 gU/cm3. Uranium-silicide compound fuel dispersed in aluminium matrix (U3Si2-Al) have been used a large number of research reactors around the world because its excellent behavior under irradiation. This also provides high uranium density with typical loading up to gU/cm3 compensate for reduced fissile amount LEU. To improve current (2.96 gU/cm3) Indonesian GA Siwabessy Multipurpose Research Reactor,...
This study deals with the effect of temperature and azithromycin on corrosion rate remaining life SS 316L used as an electrode for HHO gas production.The OCP measurement results are shown that samples in presence nobler due to a more protective layer surface promote lower rate.Potentiodynamic polarization tests were performed KOH solution at various temperatures concentrations.The show increasing increase rate, while has potential inhibit corrosion.Increasing concentration could inhibitor...
This study examines the influence of application a rotating magnetic field in electrodeposition copper (Cu). During electrodeposition, five constant magnets were rotated (500 and 800 rpm) towards bottom sample. To investigate deposition rate, surface morphology, phase, structure, corrosion resistance, hardness deposited Cu using weighing scale, scanning electron microscope equipped with energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), potentiodynamic polarization, tester...
FENOMENA KOROSI ZIRKALOY-2 DAN ZIRKALOY-4 DALAM MEDIA LARUTAN NaCl SECARA ELEKTROKIMIA. Zirkaloy-2 dan zirkaloy-4 digunakan sebagai bahan kelongsong pada elemen bakar reaktor daya BWR (Boiling Water Reactor) PWR (Pressurized Reactor). Selama penggunaanya dalam kolam penyimpanan bekas kemungkinan berinteraksi dengan air laut (sea water), hal kondisi abnormal. Ion klorida yang terdapat memiliki potensi penyebab terjadinya korosi kelongsong. Tujuan penelitian ini adalah untuk mengetahui...
UJI TAK MERUSAK SHORT PIN PWR – FUEL DUMMY PASCA IRADIASI. Pelaksanaan uji pasca iradiasi untuk bahan bakar nuklir digunakan sebagai indikator kehandalan unjuk kerja selama proses iradiasi. Salah satu tahapan awal pengujian pascairadiasi adalah tak merusak. Pusat Teknologi Bahan Bakar Nuklir (PTBBN) melakukan pengembangan reaktor daya tipe Pressurized Water Reactor (PWR). Short pin fuel dummy dengan material kelongsong zircaloy–4 telah melalui di Reaktor Serba Guna G.A. Siwabessy (RSG–GAS)...
The purpose of this research is to systematically study the influence artificial aging (T6) on evaluation microstructure changed and hardness Al-Al 2 O 3 composite produced by stir casting route. Al particle reinforced previously was coated electroless coating method improve wetting system between Al-AC8H when aluminium composites fabricated volume fraction Al2O3 which added into melts various from 2% 22.5%. stirring process carried out at 500-700 rpm achieve vortex in alumnium melt using...
Hydrogen production could be enhanced by increasing the potassium hydroxide (KOH) concentration, but higher KOH concentrations result in corrosion rates. Therefore, a deep investigation of electrochemical behavior stainless steel (SS 316L) solution is needed. This study investigates influence on behavior, surface morphology, structure, and sample phases SS 316L. The investigations were conducted some techniques, UV-vis, scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS),...
Barreling methods are suitable for small pieces. Electroplating aluminum (Al) using copper (Cu) is less costly than a bar of Cu as part. barreling electroplating was conducted on an Al alloy. Various rotating speeds were applied during the plating process. onto alloy substrates performed in 0.5 M CuSO4 with 40 mA cm−2 current density 2 h. Scanning electron microscopy-energy dispersive spectroscopy, MATLAB software, X-ray diffraction, and potentiostat used to investigate properties layer. In...
A characterization and analysis with SEM EDS have been carried out on Zr-4 material after sputtering titanium target, applications for nuclear power reactor cladding, Pressurized Water Reactor (PWR) Heavy (PHWR) types. Samples which has a length width of about 1 cm thickness 10 mm, the surface is sputtered Ti target voltage variation 4 kV 5 time also varied 2, 3 hours. It was found that longer process material, thicker layer. The minimum must be kV. in does not change much to coating sample...
Zr-4 alloy in the nuclear industry is used as a cladding material for PWR. In order to prepare fabrication and prototype of PWR fuel, PRTBBNLR has carried out irradiation tests on at G.A. Siwabessy power ramp test facility. The form short pin. Irradiation 15 MW, average thermal neutron flux 1.15 x 1013 with highest distribution 4.65 lowest 3.14 1010, secondary coolant outlet temperature 42 °C, pressure range 16.5-17.5 MPa 350 hours. To determine mechanical performance material, it necessary...
Zircaloy-4 is a material used in the nuclear industry as cladding for PWR (pressurized water reactor) type reactor. The corrosion behavior of anodized layer on Zr-4 substrate 2000 ppm LiOH was analyzed. anodization process with various voltages has been carried out at 20 and 25 V. Electrolytes anodizing consisted (NH4)2SO4 NH4F. effects voltage microstructure, phase composition, elemental distribution, resistance coatings were investigated by scanning electron microscopy (SEM-EDS), X-ray...
The use of shielded metal arc welding (SMAW) equipment to synthesize alloys is one the most promising methods as it can be used for in-situ fabrication. hardness and corrosion properties deposited layer during process enhanced by dilution nichrome (NiCr) process. Therefore, alloy was synthesized on surface mild steel using SMAW with various NiCr additions. were investigated an X-ray diffraction (XRD), Optical microscope, a Potentiostat, Vickers apparatus. appearance martensite overlaps...
Abstract The corrosion resistance of ceramic coatings developed by plasma electrolytic oxidation (PEO) can be improved embedding particles. Optimizing the concentration particles in electrolyte is essential to obtain best coating performance. This work aims optimize Y 2 O 3 embedded PEO on Zr-4 alloy resistance. Nanoparticles was suspended at a 2, and 4 g l −1 . were successfully composed ZrO –SiO electrochemical test an aqueous solution 600 °C revealed consistent result that obtained formed...
Conventional epoxy coating for surface metal corrosion protection reported many unsolved technical problems. Adding filler in the could enhance promising properties of composite coating. Our work describes detail synthesizing and characterizing epoxy/carbon Epoxy was mixed with thinner high gloss (HG) hardener stirred using a stirrer apparatus. After blending, various carbons were added (1 wt. %, 3 5 %) then appropriately stirred. The different mixture coated onto steel plate cold rolled...
Telah dilakukan analisis metalografi pelat elemen bakar (PEB) U3Si2/Al pasca iradiasi di dalam hotcell. Tujuan untuk mengetahui perubahan mikrostruktur PEB dan ketebalan kelongsong AlMg2 setelah mengalami didalam reaktor hingga burnup 56%. dipotong pada posisi top, middle bottom dengan ukuran masing-masing sekitar 5x5x1,37mm. Preparasi dimulai dari pemotongan menggunakan cutting machine low speed, mounting, grinding, polishing hotcell 104 – 105. Proses mounting resin waktu >10 jam, proses...
As the operating body that has authority to construct and operate a non-commercial nuclear reactor in Indonesia, BATAN decided develop RDE, an HTGR based with pebble bed fuels type. post-irradiation examination facility, IRM prepared developed PIE for fuel hot cell. Mechanisms supporting apparatus be considered during transfer processes from RDE sites This paper aims analyze technical design of compatibility existing system cell 101 such as wall-plug cask dimension, storage rack remote...
IMAGE ENHANCEMENT CITRA DIGITAL SHORT PIN PWR FUEL BERISI PELET UO2 ALAM PASCA UJI RADIOGRAFI SINAR-X MENGGUNAKAN PROGRAM IMAGEJ. Pengujian tak merusak menggunakan radiografi sinar-X digital merupakan salah satu rangkaian penting dalam evaluasi unjuk kerja bahan dan bakar nuklir. Image enhancement atau peningkatan kualitas citra sangat dibutuhkan untuk analisis lanjutan terhadap hasil yang cenderung memiliki resolusi lebih rendah. Proses image pada bertujuan memberikan mudah diinterpretasi...
The Al 6070 is the side plate material of MTR-fuel bundle. These post-irradiation mechanical properties will be used in cutting process to obtain certain plates from This activity part a series test processes bundle order determine its performance. After testing form (assembly), then continued Disassembly carried out by along two (aluminum alloy) that clamp plate. workpiece are important factors affect conditions machining (cutting) process. Prediction was using change percentage before and...