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All Journal Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir
Sungkono Sungkono
Pusat Teknologi Bahan Bakar Nuklir – BATAN

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PENGARUH ARAH PENGEROLAN DAN SHEAR CUTTING TERHADAP KARAKTER PADUAN AlMg2 SEBAGAI MATERIAL CLADDING BAHAN BAKAR REAKTOR RISET Sungkono Sungkono; Sri Ismarwanti
Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir Vol. 26 No. 3 (2020): Urania : Jurnal Ilmiah Daur Bahan Bakar Nuklir
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/urania.2020.26.3.6090

Abstract

THE INFLUENCE OF ROLLING DIRECTION AND SHEAR CUTTING ON THE CHARACTERISTICS OF AlMg2 AS FUEL CLADDING MATERIAL FOR RESEARCH REACTOR FUEL. Gradual rolling process of AlMg2 alloy has been carried out to obtain a certain thickness with final mechanical behavior suitable for fuel cladding of research reactor. The post-irradiation testing of fuel element used mini specimens to minimize radioactive waste. The purpose of this study was to study the influence of rolling direction and shear cutting on AlMg2 alloy characteristics. The tests performed include tensile, metalographic and hardness tests after rolling. The results show that AlMg2 alloy rolled by same direction has lower tensile strength and hardness and is more ductile than that rolled by transverse direction. The structure of AlMg2 alloy after hot rolling consists of  (Al) phase with precipitates distributed along the elongated grains in the rolling direction. Shear cutting affects the width and hardness of the deformation area on the cut surface of the specimens.
KARAKTERISTIK MIKROSTRUKTUR DAN FASA PADUAN Zr- 0,3%Nb-0,5%Fe-0,5%Cr PASCA PERLAKUAN PANAS DAN PENGEROLAN DINGIN Sungkono Sungkono
Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir Vol. 21 No. 2 (2015): Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/urania.2015.21.2.2262

Abstract

MICROSTRUCTURE AND PHASE CHARACTERISTICSOF Zr-0.3%Nb-0.5%Fe-0.5%Cr ALLOY POST HEAT TREATMENT AND COLD ROLLING. Zr-Nb-Fe-Cr alloys was developed as fuel elements cladding with high burn up for advanced power reactors. In this research has been made of Zr-0.3% Nb-0.5% Fe-0.5% Cr alloy were heat treated with varying temperatures at650 and 750°C for 1 until 2 hours. The objectives of this research was to obtain the character of Zr-0.3% Nb-0.5% Fe-0.5% Cr alloy post heat treatment and cold rolling, microstructure nomenclature, crystal structure and phases that presents in the alloy. The results of this experiment showed that the microstructures of Zr-0.3% Nb-0.5% Fe-0.5% Cr alloy post heat treatment (650ºC, 1-2 hours) had equiaxial grain structure with an enlarged size with increasing of the retention time. Meanwhile, post heat treatment (750°C, 1-2 hours) occurred the microstructures evolution of alloy from equiaxial and columnar became equiaxial and columnar relatively large, and subsequently became the larger equiaxial grains. Zr-0.3% Nb-0.5% Fe-0.5% Cr alloy post heat treatment (650°C, 2 h) and (750°C, 1.5-2 hours) can undergo cold deformation without cracking when thickness reduction between 5 to 10%.The phases formation of Zr2Fe, ZrCr2 and FeCr compounds can improve the mechanical strength and the corrosion resistance of Zr-0.3% Nb-0.5% Fe-0.5% Cr alloy.
Co-Authors Sri Ismarwanti