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Zairyo-to-Kankyo
Vol. 72 (2023), No. 9

Zairyo-to-Kankyo Vol. 72 (2023), No. 9

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

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Vol. 74 (2025)
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Vol. 73 (2024)
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Vol. 72 (2023)
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Vol. 68 (2019)
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Keyword Ranking

20 Jun. (Last 30 Days)

Zairyo-to-Kankyo Vol. 72 (2023), No. 9

Physical Meaning

Shinichi Satoh

pp. 231-231

DOI:

10.3323/jcorr.72.231

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Article Title

Physical Meaning

Bibtex

Ris

Corrosion Failure Modes of Silver and Related Mechanisms

Yuichi Ishikawa

pp. 234-242

DOI:

10.3323/jcorr.72.234

Abstract

As the second part of a series of articles describing corrosion behavior of silver, this article presents corrosion mechanism and failure modes seen for the electronic equipment under corrosive conditions. Inherent electrical bias associated with electronics application may cause electrolytic corrosion and electrochemical migration when the surface insulation resistance of dielectrics is reduced because of moisture absorption and condensation. Even a very thin tarnishing film formed may cause degradation of electrical and electronic performance as well as optical performance. Galvanic corrosion, corrosion product creep and whisker formation are also described.

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Changes in Admittance and Internal Structure of Coating Films by Environmental Testing

Zairyo-to-Kankyo Vol.72(2023), No.9

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Detail

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Article Title

Corrosion Failure Modes of Silver and Related Mechanisms

Bibtex

Ris

Changes in Admittance and Internal Structure of Coating Films by Environmental Testing

Toshio Horie, Gaku Kitahara, Hirochika Tani, Mikio Asai

pp. 243-248

DOI:

10.3323/jcorr.72.243

Abstract

The impedance of the paint film varied depending on the environmental test. It is considered that the impedance spectrum of the coating films changed by the effects of water content in the paint film, polymer structure, and elements that penetrated the paint film. However, no clear relationship could be found between the impedance spectrum of the coating film and its internal structure. To understand the change in the impedance spectrum, we performed D-SIMS and AFM-IR analysis on the paint films after the environmental test. The results suggest that the admittance spectra may reflect the state of infracted moisture and elements into the coating films.

Readers Who Read This Article Also Read

Corrosion Failure Modes of Silver and Related Mechanisms

Zairyo-to-Kankyo Vol.72(2023), No.9

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Detail

PDF Download

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Article Title

Changes in Admittance and Internal Structure of Coating Films by Environmental Testing

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Ris

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Zairyo-to-Kankyo Vol. 72 (2023), No. 9

Keyword Ranking

blast furnace

electoromagnetic

melt

mg treatment inclusion

ステンレス鋼 ti-ni

electoromagnetic segregation

magnethydrodynamics

technol. plast

thermo dynamics and kinetics of coal gasification in a liquid iron bath

岡本

Zairyo-to-Kankyo Vol. 72 (2023), No. 9

Physical Meaning

Share it with SNS

Corrosion Failure Modes of Silver and Related Mechanisms

Share it with SNS

Changes in Admittance and Internal Structure of Coating Films by Environmental Testing

Share it with SNS

Article Access Ranking

Wettability of CaS Against Molten Iron at 1873 K

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

New Electromagnetic Flow Control System for Optimization of Molten Steel Flow in Continuous Casting Mold

Preface to the Special Issue on “Challenges to Comprehension for Phenomena of Degradation, Softening, and Melting of Raw Materials in Hydrogen-enriched Ironmaking Process”

Effect of Al in the coating layer of Zn-coated steel sheet on Zn oxidation during hot-stamping heating

Growth, Removal, and Agglomeration of Various Type of Oxide Inclusions in Molten Steel

Investigation of the Effects of Mechanical Properties and Carbon Content on Cold Cracking in Laser Welds of High-strength Thin Steel Sheets

Effect of Water on the Non-Isothermal Hydrogen-Water Reduction of Industrial Hematite Pellets

Low Temperature Reduction Disintegration Mechanism of Self-fluxing Pellet under High Hydrogen Condition of Blast Furnace at 500°C

Effects of alloying-element addition on hydrogen diffusion and hydrogen absorption in Ni

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