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材料と環境
Vol. 64 (2015), No. 1

材料と環境 Vol. 64 (2015), No. 1

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

20 Jun. (Last 30 Days)

材料と環境 Vol. 64 (2015), No. 1

魅力ある学会のあり方について

宮田健司

pp. 1-2

DOI:

10.3323/jcorr.64.1

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魅力ある学会のあり方について

Bibtex

Ris

BWR模擬環境における非鋭敏化材のSCC感受性に及ぼすCr，Niの影響

神崎学, 竹田貴代子, 正木康浩, 工藤赳夫

pp. 8-13

DOI:

10.3323/jcorr.64.8

抄録

The effect of Cr and Ni on Stress Corrosion Cracking (SCC) susceptibility was studied in non-sensitized materials under simulated BWR condition. SCC tests were conducted by creviced 4 bent beam test as static strain method, and Slow Strain Rate Test (SSRT) as dynamic strain method. Cr affected markedly to prevent SCC in both SCC tests. Ni was effective to reduce SCC susceptibility under the dynamic strain test, however, not clear to affect SCC susceptibility under the static strain test. The effect of Cr was discussed for corrosion resistant film by examining strain electrode behavior and corrosion products. With increasing the Cr content in material, the repassivation behavior was improved and Cr concentration in inner side of corrosion product increased. These results suggest that Cr affects to suppress SCC due to improve corrosion resistance by Cr concentrated corrosion film.

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論文タイトル

BWR模擬環境における非鋭敏化材のSCC感受性に及ぼすCr，Niの影響

Bibtex

Ris

屋内大気環境での銀の腐食速度式の提案

南谷林太郎

pp. 14-19

DOI:

10.3323/jcorr.64.14

抄録

A new mechanism of atmospheric corrosion was proposed for silver in H₂S-NO₂-SO₂-Cl₂ environments. Hydrogen sulfide is oxidized by nitrogen dioxide to form reduced sulfur. The chemical reaction for silver was worked out by using the generated reduced sulfur. After the generation reaction of reduced sulfur, the electrochemical reaction was worked out by using the surplus hydrogen sulfide or the nitrogen sulfide. A novel estimation equation of the corrosion rate for silver was proposed as a function of both pollutant concentration and temperature-humidity. By using the equation, the experimental data in published papers was able to be estimated by a factor of two.

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材料と環境 Vol. 64 (2015), No. 1

キーワードランキング

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

材料と環境 Vol. 64 (2015), No. 1

魅力ある学会のあり方について

SNSによる共有

BWR模擬環境における非鋭敏化材のSCC感受性に及ぼすCr，Niの影響

SNSによる共有

屋内大気環境での銀の腐食速度式の提案

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

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

溶鋼中での各種酸化物系介在物の成長・除去と凝集

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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