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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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キーワードランキング

31 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

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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.

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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

31 Mar. (Last 30 Days)

Wettability of CaS Against Molten Iron at 1873 K

ISIJ International Vol.65(2025), No.2
Ag–Sn合金の一方向凝固実験による包晶凝固の解析

鉄と鋼早期公開
Thermodynamic Calculation of Grain Boundary Composition in Ferritic Steels and Its Application for Controlling the Hall–Petch Coefficient

ISIJ International 早期公開
Hydrogen-induced vacancy formation process in austenitic stainless steel 304

ISIJ International 早期公開
STEM-EDSおよび3DAPによる多成分系カルシウムフェライトの還元組織観察

鉄と鋼早期公開
Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

ISIJ International Vol.65(2025), No.2
Chemical State Evolution of Iron Ore Sinter Investigated by Wide-Area Imaging XAFS

ISIJ International 早期公開
PREFACE

MATERIALS TRANSACTIONS Vol.54(2013), No.6
Effect of Cu on Solidification Microstructure and Solidification Process in High Carbon High Speed Steel Type Cast Alloy

ISIJ International 早期公開
焼結生産性向上のための蒸気予熱造粒技術

鉄と鋼 Vol.111(2025), No.4

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材料と環境 Vol. 71 (2022), No. 8

キーワードランキング

blast furnace

ferrocoke

high-strength steel alloys

isij international

slag/metal reactions in steelmaking

tramp elements

trip steel martensitic transformation

bend

continuous casting slab

crystallization

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

Wettability of CaS Against Molten Iron at 1873 K

Ag–Sn合金の一方向凝固実験による包晶凝固の解析

Thermodynamic Calculation of Grain Boundary Composition in Ferritic Steels and Its Application for Controlling the Hall–Petch Coefficient

Hydrogen-induced vacancy formation process in austenitic stainless steel 304

STEM-EDSおよび3DAPによる多成分系カルシウムフェライトの還元組織観察

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

Chemical State Evolution of Iron Ore Sinter Investigated by Wide-Area Imaging XAFS

PREFACE

Effect of Cu on Solidification Microstructure and Solidification Process in High Carbon High Speed Steel Type Cast Alloy

焼結生産性向上のための蒸気予熱造粒技術

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