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INHIBITION EFFECTS OF I- AND I2 ON STRESS-CORROSION CRACKING OF STAINLESS-STEEL IN ACIDIC CHLORIDE SOLUTIONS
HUANG, YL; CAO, CN; LU, M; LIN, HC
Corresponding AuthorHUANG, YL()
1993-08-01
Source PublicationCORROSION
ISSN0010-9312
Volume49Issue:8Pages:644-649
AbstractStress corrosion cracking (SCC) of AISI 321 (UNS S32100) stainless steel (SS) in 0.5 mol/L sodium chloride (NaCl) + 0.5 mol/L hydrochloric acid (HCI) solution and the inhibition effects of some iodides and iodine (I2) were studied using the slow strain rate technique. Iodides studied were tetramethyl ammonium iodide (TMAI), tetrabutyl ammonium iodide (TBAI) and potassium iodide (KI). The additives effectively inhibited SCC of AISI 321 in the solution. Inhibition effects resulted mainly from the role of iodide ion. Electrochemical measurements showed the corrosion current density (I(corr)) of the steel increased rapidly and then fluctuated as strain increased. The increase in I(corr) was markedly slower in solutions containing I- ions or I2. Inhibition effects of I- ions and I2 on SCC were attributed to the anodic reaction of the corrosion process and reduction of the accelerating effect of strain on I(corr).
KeywordCHLORIDE INHIBITOR STAINLESS STEEL STRESS CORROSION CRACKING
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:A1993LU76700004
PublisherNATL ASSN CORROSION ENG
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/125999
Collection中国科学院金属研究所
Corresponding AuthorHUANG, YL
AffiliationCHINESE ACAD SCI,INST CORROS & PROTECT MET,CORROS SCI LAB,SHENYANG 110015,PEOPLES R CHINA
Recommended Citation
GB/T 7714
HUANG, YL,CAO, CN,LU, M,et al. INHIBITION EFFECTS OF I- AND I2 ON STRESS-CORROSION CRACKING OF STAINLESS-STEEL IN ACIDIC CHLORIDE SOLUTIONS[J]. CORROSION,1993,49(8):644-649.
APA HUANG, YL,CAO, CN,LU, M,&LIN, HC.(1993).INHIBITION EFFECTS OF I- AND I2 ON STRESS-CORROSION CRACKING OF STAINLESS-STEEL IN ACIDIC CHLORIDE SOLUTIONS.CORROSION,49(8),644-649.
MLA HUANG, YL,et al."INHIBITION EFFECTS OF I- AND I2 ON STRESS-CORROSION CRACKING OF STAINLESS-STEEL IN ACIDIC CHLORIDE SOLUTIONS".CORROSION 49.8(1993):644-649.
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