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材料と環境
Vol. 62 (2013), No. 6

材料と環境 Vol. 62 (2013), No. 6

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. 62 (2013), No. 6

会誌「材料と環境」への思い

篠原正

pp. 207-

DOI:

10.3323/jcorr.62.207

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会誌「材料と環境」への思い

Bibtex

Ris

オーバーパック材料としての炭素鋼，チタン，銅の地層処分模擬環境中における腐食特性研究の現状

杉本克久

pp. 208-217

DOI:

10.3323/jcorr.62.208

抄録

Carbon steel, titanium and copper are thought to be candidate materials for an overpack used for the geological disposal of radioactive wastes. In this paper, electrochemical and corrosion studies on the materials in simulated geological disposal environments are reviewed. Deaerated or aerated, single or mixed solutions of NaCl, Na₂SO₄ and NaHCO₃ and bentonite soaked with these solutions have been used as simulated geological disposal environments. Anodic and cathodic polarization curves, corrosion rates, surface films, general corrosion, pitting, crevice corrosion, hydrogen embrittlement, and stress-corrosion cracking of the materials in the environments have been examined.

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オーバーパック材料としての炭素鋼，チタン，銅の地層処分模擬環境中における腐食特性研究の現状

Bibtex

Ris

温水環境におけるステンレス鋼の応力腐食割れ発生に及ぼす温度および水質成分の影響

斎田知明, 佐藤克明, 黒田健介, 興戸正純

pp. 224-230

DOI:

10.3323/jcorr.62.224

抄録

The combined addition of Si and Cu is effective in order to improve the stress corrosion cracking（SCC）resistance in hot water environment, and SUS315J1（18Cr-10Ni-1.5Si-1Mo-3Cu）has been developed and put in practical use. But, the preset temperature of equipments for supplying hot water in recent years has tended to become high（near 100℃）. Moreover, the influence of anion-species included in hot water on SCC has not been confirmed yet.
The SCC resistance of various stainless steels was examined by the immersion test using spot-welded specimens in 200 mg/L Cl^－ solution at 60, 95 and 125℃. The materials used were SUS304, SUS315J1, SUS316 and SUS444 cold-rolled steel. SUS315J1 showed the good SCC resistance compared with SUS304 and SUS316 at a temperature under 95℃.
The influence of various anion-species（NO₃^－, SO₄^2－, CO₃^2－ and HCO₃^－）on SCC was considered by the immersion test or electrochemical measurement in 200 mgL^－1 Cl^－ solution. These anion-species that generally act as a corrosion inhibitor performed as accelerator on SCC initiation in addition of a small amount of anions. However, SCC tended not to occur in SUS315J1 in these solutions.

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温水環境におけるステンレス鋼の応力腐食割れ発生に及ぼす温度および水質成分の影響

Bibtex

Ris

トリアゾール類似化合物の腐食抑制能力に対する量子化学的説明

松田英樹

pp. 231-236

DOI:

10.3323/jcorr.62.231

抄録

The relation between the corrosion control capability of triazole compounds and the parameter drawn by a semiempirical molecular orbital method（MOPAC7）was analyzed, and the validity of calculation chemistry was verified. The corrosion inhibitory action of triazole compounds to iron was dependent on the ease of carrying out of the polarization of molecular orbital when an electric charge approaches. As for the corrosion inhibitory action of triazole compounds to the zinc, what is easy to receive d →π* electron was good. From these, suitable use of the quantum chemistry parameter showed that the interaction of a corrosion inhibitor and a metal side could be presumed.

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トリアゾール類似化合物の腐食抑制能力に対する量子化学的説明

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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. 62 (2013), No. 6

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. 62 (2013), No. 6

会誌「材料と環境」への思い

SNSによる共有

オーバーパック材料としての炭素鋼，チタン，銅の地層処分模擬環境中における腐食特性研究の現状

SNSによる共有

温水環境におけるステンレス鋼の応力腐食割れ発生に及ぼす温度および水質成分の影響

SNSによる共有

トリアゾール類似化合物の腐食抑制能力に対する量子化学的説明

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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