2010•Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and AtomsRequires access

Effect of Nb and Fe on Corrosion Resistance of Zirconium Alloys

Zhou Bangxin

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Abstract

Several kinds of zirconium alloys with different compositions were exposed to 70 μg/g Li+ LiOH aqueous solution at 350 ℃ with a pressure of 16.8 MPa.The results reveal that the 3# zirconium alloy which contains Zr-Nb-Fe particles shows the best corrosion resistance,while the corrosion resistance of 1# and 5# zirconium alloys without Zr-Nb-Fe particles forming is worse.It indicates that the Zr-Nb-Fe particles play an important role on improving the corrosion resistance of zirconium alloys and a reasonable ratio of Nb and Fe can result in the forming of Zr-Nb-Fe particles in the zirconium alloys.

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Key concepts: Zirconium, Zirconium alloy, Corrosion, Materials science, Alloy, Metallurgy, Aqueous solution, Niobium