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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.1
Vol. 71 (2022)
1. No.12
2. No.11
3. No.10
4. No.9
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4. No.9
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Vol. 69 (2020)
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Vol. 68 (2019)
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Vol. 67 (2018)
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Vol. 66 (2017)
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Vol. 65 (2016)
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24 Mar. (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

Search Phrase Ranking

blast furnace

test

tundish

continuous casting

isij

seaweed

inclusions

aa

hydrogen trapping

process

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

Automatic Ultrasonic Testing of Non-metallic Inclusions Detectable with Size of Several Tens of Micrometers Using a Double Probe Technique along the Longitudinal Axis of a Small-diameter Bar

A Review on the Humic Substances in Pelletizing Binders: Preparation, Interaction Mechanism, and Process Characteristics

Austenite reversion behavior of maraging steel additive-manufactured by laser powder bed fusion

Effect of Nb on grain growth behavior in the heat affected zone of linepipe steels

Current Status and Future Scope of Phase Diagram Studies

Heat Conduction through Different Slag Layers in Mold. Thermal Conductivity Measurement of Commercial Mold Fluxes

Thermodynamic formation and three-dimensional characterization of MnS-MgAl₂O₄ composite inclusions in steel

3D transient heat transfer simulation and optimization for initial stage of steel continuous casting process

Preface to the Special Issue “Fundamental Researches and its Applications for Strengthening in High Temperature Materials”

Phase-field Modeling and Simulation of Solid-state Phase Transformations in Steels

Advanced Search

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

Search Phrase Ranking

blast furnace

test

tundish

continuous casting

isij

seaweed

inclusions

aa

hydrogen trapping

process

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

Automatic Ultrasonic Testing of Non-metallic Inclusions Detectable with Size of Several Tens of Micrometers Using a Double Probe Technique along the Longitudinal Axis of a Small-diameter Bar

A Review on the Humic Substances in Pelletizing Binders: Preparation, Interaction Mechanism, and Process Characteristics

Austenite reversion behavior of maraging steel additive-manufactured by laser powder bed fusion

Effect of Nb on grain growth behavior in the heat affected zone of linepipe steels

Current Status and Future Scope of Phase Diagram Studies

Heat Conduction through Different Slag Layers in Mold. Thermal Conductivity Measurement of Commercial Mold Fluxes

Thermodynamic formation and three-dimensional characterization of MnS-MgAl2O4 composite inclusions in steel

3D transient heat transfer simulation and optimization for initial stage of steel continuous casting process

Preface to the Special Issue “Fundamental Researches and its Applications for Strengthening in High Temperature Materials”

Phase-field Modeling and Simulation of Solid-state Phase Transformations in Steels

Advanced Search

Thermodynamic formation and three-dimensional characterization of MnS-MgAl₂O₄ composite inclusions in steel