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Zairyo-to-Kankyo
Vol. 71 (2022), No. 2

Zairyo-to-Kankyo Vol. 71 (2022), No. 2

ONLINE ISSN:	1881-9664
PRINT ISSN:	0917-0480
Publisher:	Japan Society of Corrosion Engineering

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Vol. 72 (2023)
1. No.10
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Vol. 71 (2022)
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Vol. 69 (2020)
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Vol. 68 (2019)
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Keyword Ranking

04 Dec. (Last 30 Days)

Zairyo-to-Kankyo Vol. 71 (2022), No. 2

“What is essential is invisible to the eye.”

Kenji Amaya

pp. 33-34

DOI:

10.3323/jcorr.71.33

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Article Title

“What is essential is invisible to the eye.”

Bibtex

Ris

Effect of Oxygen Concentration on Corrosion Rate of Carbon Steel in Air/solution Alternating Condition

Kyohei Otani, Fumiyoshi Ueno, Chiaki Kato

pp. 40-45

DOI:

10.3323/jcorr.71.40

Abstract

The purpose of this study is to investigate the effect of oxygen concentration in the air on the corrosion rate of carbon steel in an air/solution alternating environment in the low oxygen concentration range and to clarify the corrosion rate and corrosion mechanism of carbon steel depending on the oxygen concentration in air by the mass change of specimens before and after the corrosion test and observing the iron rust layer formed on the surface of carbon steel. The corrosion rate increases with increasing oxygen concentration in the air, and the gradient of the corrosion rate decreases gradually. The maximum erosion depth increased with increasing oxygen concentration except for the case of 1％ oxygen concentration, however, the maximum erosion depth for 1％ oxygen concentration was larger than that for 5％ air oxygen concentration. It was clarified from the cross-sectional observation that the reason for the specific increase in the maximum erosion depth only when the oxygen concentration was 1％ due to the localized corrosion of carbon steel.

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Effect of Oxygen Concentration on Corrosion Rate of Carbon Steel in Air/solution Alternating Condition

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Ris

Statistical Analysis of Nonmetallic Inclusions as Initiation Sites of Pitting Corrosion for Stainless Steel by All-surface Survey

Kenichiro Eguchi

pp. 46-56

DOI:

10.3323/jcorr.71.46

Abstract

All nonmetallic inclusions on the surface of a stainless steel sample were analyzed with a scanning electron microscope with a function of automatically observing and analyzing nonmetallic inclusions. The effect of the inclusion type and size on the tendency of pit initiation was then quantitatively evaluated by observing the pits generated on the sample surface. It was found that the probability of stable pit growth increased as the major axis of the inclusions increased, but no effect of the inclusion type was observed. However, an effect of the inclusion type on the tendency of repassivation pit initiation was observed.

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Article Title

Statistical Analysis of Nonmetallic Inclusions as Initiation Sites of Pitting Corrosion for Stainless Steel by All-surface Survey

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Ris

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Zairyo-to-Kankyo Vol. 71 (2022), No. 2

Keyword Ranking

filiform corrosion of zn-mg-al coated steel

grain boundary amelioration

electromagnetic steel plate

inclusions and reduction of their amount in the continuous casting process

y. iwanaga

y. iwanaga: tetsu to hagane, 1982, vol. 68, pp. 740–49.

1982

bridging oxygen

controlled plane reduction

dual phase steel

Zairyo-to-Kankyo Vol. 71 (2022), No. 2

“What is essential is invisible to the eye.”

Share it with SNS

Effect of Oxygen Concentration on Corrosion Rate of Carbon Steel in Air/solution Alternating Condition

Share it with SNS

Statistical Analysis of Nonmetallic Inclusions as Initiation Sites of Pitting Corrosion for Stainless Steel by All-surface Survey

Share it with SNS

Article Access Ranking

Microstructure estimation by combining deep learning and phase transformation model

Visualization of hydrogen and hydrogen-induced defects in tensile-deformed pure iron using hydrogen microprint and tritium autoradiography

Experiment and Conformation of Non-sinusoidal Oscillation Waveform Function for Continuous Casting Mold

Modification of Non-metallic Inclusions in Steel by Calcium Treatment: A Review

Critical Granular Size Impact on Softening and Melting Behaviors of Sinters: From the Viewpoints of the Competition between In-situ Liquid Generation and Holdup

Experimental and Numerical Study on Tapping of Two Liquids through a Single Tap-Hole

Fundamentally Different Magnetoresistance Mechanisms in Related Co/Pd and Co/Pt Multilayers for Spintronic Applications

First-Principles Calculations of Hydrogen Trapping Energy on Incoherent Interfaces of Aluminum Alloys

Hydrogen Embrittlement Property of a 1.5 GPa Dual-Phase Steel Evaluated Using U-bending Test: A Comparison with Tempered Martensitic Steel with Identical Tensile Strength

In-situ Observation of Sintering Interface between Al₂O₃ Particle / Single Crystalline Al₂O₃ Plate through Single Crystalline Al₂O₃ Plate

Advanced Search

Zairyo-to-Kankyo Vol. 71 (2022), No. 2

Keyword Ranking

filiform corrosion of zn-mg-al coated steel

grain boundary amelioration

electromagnetic steel plate

inclusions and reduction of their amount in the continuous casting process

y. iwanaga

y. iwanaga: tetsu to hagane, 1982, vol. 68, pp. 740–49.

1982

bridging oxygen

controlled plane reduction

dual phase steel

Zairyo-to-Kankyo Vol. 71 (2022), No. 2

“What is essential is invisible to the eye.”

Share it with SNS

Effect of Oxygen Concentration on Corrosion Rate of Carbon Steel in Air/solution Alternating Condition

Share it with SNS

Statistical Analysis of Nonmetallic Inclusions as Initiation Sites of Pitting Corrosion for Stainless Steel by All-surface Survey

Share it with SNS

Article Access Ranking

Microstructure estimation by combining deep learning and phase transformation model

Visualization of hydrogen and hydrogen-induced defects in tensile-deformed pure iron using hydrogen microprint and tritium autoradiography

Experiment and Conformation of Non-sinusoidal Oscillation Waveform Function for Continuous Casting Mold

Modification of Non-metallic Inclusions in Steel by Calcium Treatment: A Review

Critical Granular Size Impact on Softening and Melting Behaviors of Sinters: From the Viewpoints of the Competition between In-situ Liquid Generation and Holdup

Experimental and Numerical Study on Tapping of Two Liquids through a Single Tap-Hole

Fundamentally Different Magnetoresistance Mechanisms in Related Co/Pd and Co/Pt Multilayers for Spintronic Applications

First-Principles Calculations of Hydrogen Trapping Energy on Incoherent Interfaces of Aluminum Alloys

Hydrogen Embrittlement Property of a 1.5 GPa Dual-Phase Steel Evaluated Using U-bending Test: A Comparison with Tempered Martensitic Steel with Identical Tensile Strength

In-situ Observation of Sintering Interface between Al2O3 Particle / Single Crystalline Al2O3 Plate through Single Crystalline Al2O3 Plate

Advanced Search

In-situ Observation of Sintering Interface between Al₂O₃ Particle / Single Crystalline Al₂O₃ Plate through Single Crystalline Al₂O₃ Plate