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THE INFLUENCE OF APPLIED POTENTIAL ON THE EROSION-CORROSION BEHAVIOR OF AISI321 STAINLESS-STEEL IN ACIDIC SLURRY MEDIUM
YAO, ZM; ZHENG, YG; KE, W
Corresponding AuthorYAO, ZM()
1995-08-01
Source PublicationWEAR
ISSN0043-1648
Volume186Issue:2Pages:568-572
AbstractThe influence of applied potential on the erosion-corrosion (E-C) behavior of AISI321 stainless steel in 10% H2SO4 + 15% corundum sand (60 mesh) acidic slurry was investigated using a modified slurry pot apparatus. The surface morphologies of E-C specimens at various applied potentials were observed by scanning electron microscopy. The results showed that cathodic protection could significantly decrease E-C rate, and the cathodic protection efficiency could be 73.6%. The influence of applied anodic potentials on the E-C behaviors could be classified as the following three types: A. The E-C rate increased sharply in region I (a little more positive than free-corrosion potential); B. The E-C rate decreased significantly in region II (stable passive region),and the anodic protection efficiency could be 64.5%; C. The E-C rate increased again in region III (transpassive region) because of intergranular corrosion. The appropriate potential range of anodic protection is 0-0.8 V (SCE).
KeywordEROSION CORROSION SLURRY APPLIED POTENTIAL ACID STEEL
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
WOS IDWOS:A1995RW62000030
PublisherELSEVIER SCIENCE SA LAUSANNE
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126141
Collection中国科学院金属研究所
Corresponding AuthorYAO, ZM
AffiliationCHINESE ACAD SCI,INST CORROS & PROTECT MET,CORROS SCI LAB,SHENYANG 110015,PEOPLES R CHINA
Recommended Citation
GB/T 7714
YAO, ZM,ZHENG, YG,KE, W. THE INFLUENCE OF APPLIED POTENTIAL ON THE EROSION-CORROSION BEHAVIOR OF AISI321 STAINLESS-STEEL IN ACIDIC SLURRY MEDIUM[J]. WEAR,1995,186(2):568-572.
APA YAO, ZM,ZHENG, YG,&KE, W.(1995).THE INFLUENCE OF APPLIED POTENTIAL ON THE EROSION-CORROSION BEHAVIOR OF AISI321 STAINLESS-STEEL IN ACIDIC SLURRY MEDIUM.WEAR,186(2),568-572.
MLA YAO, ZM,et al."THE INFLUENCE OF APPLIED POTENTIAL ON THE EROSION-CORROSION BEHAVIOR OF AISI321 STAINLESS-STEEL IN ACIDIC SLURRY MEDIUM".WEAR 186.2(1995):568-572.
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