Effect of Ni ion irradiation on microstructure and corrosion properties of Zr59Nb3Cu20Al10Ni8 amorphous alloy

Sharma, Poonam ; Dhawan, Anil ; Naqvi, S. Faheem; Sharma, S K

Abstract

The amorphous Zr59Nb3Cu20Al10Ni8 alloy has been irradiated by 100 MeV Ni+7 ion beam at the fluence rates of 1×1013 and 1×1014 ions/cm2 at room and elevated temperature. The effect of irradiation on structure sensitive properties of Zr-based amorphous alloys has been investigated in this study using XRD and FESEM and potentiodynamic polarization study. The results reveals that there are no significant changes in the microstructure at lower fluence rate but the formation of nanocrystalline structures have been observed at the higher fluence rates and the results have been corroborated using corrosion studies.

Keyword(s)

Irradiation; X-ray diffraction; FESEM; Potentiodynamic polarization; Corrosion


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