The electrical AC impedance response of oxide scales on 9Cr-1Mo steel immersed in molten lead-bismuth eutectic alloy at 200°C

Alan Michael Bolind; R. Scott Lillard; James F. Stubbins

doi:10.1016/j.corsci.2014.11.012

The electrical AC impedance response of oxide scales on 9Cr-1Mo steel immersed in molten lead-bismuth eutectic alloy at 200°C

Alan Michael Bolind, R. Scott Lillard, James F. Stubbins

Nuclear, Plasma, and Radiological Engineering

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

Abstract

Coupons of 9Cr-1Mo steel were pre-oxidized in hot air and then partially immersed in molten lead-bismuth-eutectic alloy at 200. °C for various durations. The oxide resistance and capacitance were measured using an AC electrical method. Impedance was found not to correlate with oxide thickness. In connection with other studies on HT-9 and 316L steels, it can be tentatively suggested that oxides on ferritic-martensitic steels may be more conductive than oxides on austenitic steels.

Original language	English (US)
Pages (from-to)	48-57
Number of pages	10
Journal	Corrosion Science
Volume	92
DOIs	https://doi.org/10.1016/j.corsci.2014.11.012
State	Published - Mar 1 2015

Keywords

A. Steel
B. EIS
C. High temperature corrosion
C. Kinetic parameters
C. Oxidation
C. Passive films

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science

Online availability

10.1016/j.corsci.2014.11.012

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title = "The electrical AC impedance response of oxide scales on 9Cr-1Mo steel immersed in molten lead-bismuth eutectic alloy at 200°C",

abstract = "Coupons of 9Cr-1Mo steel were pre-oxidized in hot air and then partially immersed in molten lead-bismuth-eutectic alloy at 200. °C for various durations. The oxide resistance and capacitance were measured using an AC electrical method. Impedance was found not to correlate with oxide thickness. In connection with other studies on HT-9 and 316L steels, it can be tentatively suggested that oxides on ferritic-martensitic steels may be more conductive than oxides on austenitic steels.",

keywords = "A. Steel, B. EIS, C. High temperature corrosion, C. Kinetic parameters, C. Oxidation, C. Passive films",

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AU - Bolind, Alan Michael

AU - Lillard, R. Scott

AU - Stubbins, James F.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Coupons of 9Cr-1Mo steel were pre-oxidized in hot air and then partially immersed in molten lead-bismuth-eutectic alloy at 200. °C for various durations. The oxide resistance and capacitance were measured using an AC electrical method. Impedance was found not to correlate with oxide thickness. In connection with other studies on HT-9 and 316L steels, it can be tentatively suggested that oxides on ferritic-martensitic steels may be more conductive than oxides on austenitic steels.

AB - Coupons of 9Cr-1Mo steel were pre-oxidized in hot air and then partially immersed in molten lead-bismuth-eutectic alloy at 200. °C for various durations. The oxide resistance and capacitance were measured using an AC electrical method. Impedance was found not to correlate with oxide thickness. In connection with other studies on HT-9 and 316L steels, it can be tentatively suggested that oxides on ferritic-martensitic steels may be more conductive than oxides on austenitic steels.

KW - A. Steel

KW - B. EIS

KW - C. High temperature corrosion

KW - C. Kinetic parameters

KW - C. Oxidation

KW - C. Passive films

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DO - 10.1016/j.corsci.2014.11.012

M3 - Article

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EP - 57

JO - Corrosion Science

JF - Corrosion Science

ER -

The electrical AC impedance response of oxide scales on 9Cr-1Mo steel immersed in molten lead-bismuth eutectic alloy at 200°C

Abstract

Keywords

ASJC Scopus subject areas

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