Siti Aidah
usat Teknologi Bahan Bakar Nuklir- BATAN

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PENGARUH PENGEROLAN PANAS TERHADAP KARAKTER PADUAN Zr-0,6Nb-0,5Fe-0,5Cr Sungkono Sungkono; Siti Aidah
Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir Vol. 21 No. 3 (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.2015.21.3.2461

Abstract

Characters of Zr-0.6Nb-0.5Fe-0.5Cr alloy after hot rolling have been studied. The objective of this research was to obtain of hot rolling effect on the characteristics of microstructures, hardness and phases formed in Zr-0.6Nb-0.5Fe-0.5Cr  alloy. The hot rolling process of alloy carried out at temperature of  800 oC with retention time of 1.5 and 2 hours and a thickness reduction between 5 to 25 %. The results of this experiment showed that the Zr-0.6Nb-0.5Fe-0.5Cr alloy has Widmanstatten structure with microstructure evolving into deformed columnar grains and deformed elongated grains with increasing thickness reduction. Besides, the longer the retention time at temperature of 800 oC is the larger are the grain structures and formation of a-Zr and Zr3Fe phase. The hardness of  Zr-0.6Nb-0.5Fe-0.5Cr alloy has same trends i.e the larger thickness reduction gives higher hardness. The Zr-0.6Nb-0.5Fe-0.5Cr alloy can undergo hot rolling deformation at a thickness reduction of  25 %  and the formation of a-Zr and Zr3Fe can increased of hardness and strength of Zr-0.6 Nb-0.5 Fe-0.5 Cr alloy.