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材料と環境
Vol. 71 (2022), No. 8

材料と環境 Vol. 71 (2022), No. 8

オンライン版ISSN:	1881-9664
冊子版ISSN:	0917-0480
発行機関:	Japan Society of Corrosion Engineering

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Vol. 75 (2026)
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Vol. 74 (2025)
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キーワードランキング

20 Mar. (Last 30 Days)

材料と環境 Vol. 71 (2022), No. 8

「材料と環境討論会」への期待

田中秀和

pp. 227-228

DOI:

10.3323/jcorr.71.227

ブックマーク

詳細

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SNSによる共有

論文タイトル

「材料と環境討論会」への期待

Bibtex

Ris

カラー写真と機械学習を用いた画像処理による鉄さび面積の測定

宇井剛

pp. 231-236

DOI:

10.3323/jcorr.71.231

抄録

A method using binarized image data is common to calculate the area of iron rust in a digital image system. However, iron rust includes red rust as well as black corrosion products, and it may be inappropriate to use binarized data. Therefore, we tried to evaluate with a 24-bit color image of sRGB. The areas of red rust, black corrosion products, and metal substrate of a small area iron rust image were visually judged, teacher data was created, and evaluation was performed using a support vector machine. As a result, the image was divided into each area, and the area and its ratio could be calculated.

ブックマーク

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PDFダウンロード

SNSによる共有

論文タイトル

カラー写真と機械学習を用いた画像処理による鉄さび面積の測定

Bibtex

Ris

不飽和ポリエステルをマトリクスとしたGFRPの弱アルカリ水溶液中での劣化特性

竹内陽祐, 伊藤陽, 笠原久稔, 岡村陽介, 玉松潤一郎

pp. 237-244

DOI:

10.3323/jcorr.71.237

抄録

To verify the applicability of glass-fiber reinforced plastics with an unsaturated polyester matrix in manhole environments, degradation characteristics in a weak alkaline aqueous solution were evaluated by conducting a solution immersion test. We were able to clarify that diffusion of alkaline ions is slower than that of water, effect of accelerated deterioration due to alkali remaining on the sample surface, resin fiber interface preferentially deteriorates due to the diffusion of water, and that the decrease in flexural strength is in good agreement with the logarithmic approximation formula.

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PDFダウンロード

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論文タイトル

不飽和ポリエステルをマトリクスとしたGFRPの弱アルカリ水溶液中での劣化特性

Bibtex

Ris

論文アクセスランキング

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ISIJ International Vol.65(2025), No.2
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ISIJ International Vol.37(1997), No.3
X線小角散乱を用いたばね鋼におけるε炭化物の形態解析

鉄と鋼早期公開
Mechanism and Kinetics of Carburization in Direct Reduced Iron via the Boudouard Reaction

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Temperature Dependence of Immersion Expansion Ratio of Steel Slag for Road Construction

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Atomistic Defect Interactions in Aluminum, Copper and Nickel: Edge Dislocations and 〈112〉-Axis Symmetric Tilt Grain Boundaries

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Reduction Disintegration Mechanism of Self-fluxing Pellet under Hydrogen Reduction Shaft Furnace Condition at 550℃

ISIJ International 早期公開
高純度鉄（玉鋼）の生成に関するプロセス工学的アプローチ

鉄と鋼早期公開
Simulation Research on the Blast Furnace Charging Process Coupled Gas Flow Based on CFD-DEM

ISIJ International Vol.66(2026), No.3
Preface

ISIJ International Vol.36(1996), No.Suppl

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材料と環境 Vol. 71 (2022), No. 8

キーワードランキング

air knife

isij international

effect of mold flux on the surface quality of stainless steel ingots

endo rie

history of continuous casting technology in japan

rebar

17-4ph ferrite

bar rolling

converter

kyung

材料と環境 Vol. 71 (2022), No. 8

「材料と環境討論会」への期待

SNSによる共有

カラー写真と機械学習を用いた画像処理による鉄さび面積の測定

SNSによる共有

不飽和ポリエステルをマトリクスとしたGFRPの弱アルカリ水溶液中での劣化特性

SNSによる共有

論文アクセスランキング

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

Necessity of Scrap Reclamation Technologies and Present Conditions of Technical Development

X線小角散乱を用いたばね鋼におけるε炭化物の形態解析

Mechanism and Kinetics of Carburization in Direct Reduced Iron via the Boudouard Reaction

Temperature Dependence of Immersion Expansion Ratio of Steel Slag for Road Construction

Atomistic Defect Interactions in Aluminum, Copper and Nickel: Edge Dislocations and 〈112〉-Axis Symmetric Tilt Grain Boundaries

Reduction Disintegration Mechanism of Self-fluxing Pellet under Hydrogen Reduction Shaft Furnace Condition at 550℃

高純度鉄（玉鋼）の生成に関するプロセス工学的アプローチ

Simulation Research on the Blast Furnace Charging Process Coupled Gas Flow Based on CFD-DEM

Preface

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