High corrosion resistant Ni-based glassy alloys in boiling nitric acid solutions

C. L. Qin; K. Asami; H. Kimura; W. Zhang; D. V. Louzguine; A. Inoue

doi:10.2320/matertrans.ME200814

High corrosion resistant Ni-based glassy alloys in boiling nitric acid solutions

C. L. Qin, K. Asami, H. Kimura, W. Zhang, D. V. Louzguine, A. Inoue

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The Ni₅₇Nb₁₉Zr₁₉Ta₅ glassy alloy possesses high corrosion resistance in severe environments, i.e. boiling 6N HNO₃ and 6N HNO₃ + 5 g/1 Cr⁶⁺ solutions. In both solutions, the corrosion resistance of the Ni₅₇Nb ₁₉Zr₁₉Ta₅ alloy is much better than that of NAR-3 lONb stainless steel which is developed as nitric acid corrosion resistant stainless steel. XPS analysis reveals that the high corrosion resistance of the Ni-based glassy alloys is due to the formation of the highly protective passive film composed exclusively of Nb⁵⁺ and Ta⁵⁺ cations after immersion in the solution without Cr⁶⁺ ions, and Nb⁵⁺, Ta⁵⁺ and Cr³⁺ cations after immersion in the solution with Cr⁶⁺ ions.

Original language	English
Pages (from-to)	1304-1307
Number of pages	4
Journal	Materials Transactions
Volume	50
Issue number	6
DOIs	https://doi.org/10.2320/matertrans.ME200814
Publication status	Published - 2009 Jun

Keywords

Corrosion resistance
Glassy alloys
Nitric acid
Polarization curves
X-ray photoelectron spectroscopy (XPS) analysis

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "High corrosion resistant Ni-based glassy alloys in boiling nitric acid solutions",

abstract = "The Ni57Nb19Zr19Ta5 glassy alloy possesses high corrosion resistance in severe environments, i.e. boiling 6N HNO3 and 6N HNO3 + 5 g/1 Cr6+ solutions. In both solutions, the corrosion resistance of the Ni57Nb 19Zr19Ta5 alloy is much better than that of NAR-3 lONb stainless steel which is developed as nitric acid corrosion resistant stainless steel. XPS analysis reveals that the high corrosion resistance of the Ni-based glassy alloys is due to the formation of the highly protective passive film composed exclusively of Nb5+ and Ta5+ cations after immersion in the solution without Cr6+ ions, and Nb5+, Ta5+ and Cr3+ cations after immersion in the solution with Cr6+ ions.",

keywords = "Corrosion resistance, Glassy alloys, Nitric acid, Polarization curves, X-ray photoelectron spectroscopy (XPS) analysis",

author = "Qin, {C. L.} and K. Asami and H. Kimura and W. Zhang and Louzguine, {D. V.} and A. Inoue",

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AU - Qin, C. L.

AU - Asami, K.

AU - Kimura, H.

AU - Zhang, W.

AU - Louzguine, D. V.

AU - Inoue, A.

PY - 2009/6

Y1 - 2009/6

N2 - The Ni57Nb19Zr19Ta5 glassy alloy possesses high corrosion resistance in severe environments, i.e. boiling 6N HNO3 and 6N HNO3 + 5 g/1 Cr6+ solutions. In both solutions, the corrosion resistance of the Ni57Nb 19Zr19Ta5 alloy is much better than that of NAR-3 lONb stainless steel which is developed as nitric acid corrosion resistant stainless steel. XPS analysis reveals that the high corrosion resistance of the Ni-based glassy alloys is due to the formation of the highly protective passive film composed exclusively of Nb5+ and Ta5+ cations after immersion in the solution without Cr6+ ions, and Nb5+, Ta5+ and Cr3+ cations after immersion in the solution with Cr6+ ions.

AB - The Ni57Nb19Zr19Ta5 glassy alloy possesses high corrosion resistance in severe environments, i.e. boiling 6N HNO3 and 6N HNO3 + 5 g/1 Cr6+ solutions. In both solutions, the corrosion resistance of the Ni57Nb 19Zr19Ta5 alloy is much better than that of NAR-3 lONb stainless steel which is developed as nitric acid corrosion resistant stainless steel. XPS analysis reveals that the high corrosion resistance of the Ni-based glassy alloys is due to the formation of the highly protective passive film composed exclusively of Nb5+ and Ta5+ cations after immersion in the solution without Cr6+ ions, and Nb5+, Ta5+ and Cr3+ cations after immersion in the solution with Cr6+ ions.

KW - Corrosion resistance

KW - Glassy alloys

KW - Nitric acid

KW - Polarization curves

KW - X-ray photoelectron spectroscopy (XPS) analysis

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