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The crack propagating behavior of composite coatings prepared by PEO on aluminized steel during in situ tensile processing
Chen ZT(陈支通); Li G(李光); Wu ZQ(吴振强); Xia Y(夏原); Xia, YA (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Source PublicationMaterials Science and Engineering A-Structural Materials Properties Microstructure and Processing
2011
Volume528Issue:3Pages:1409-1414
ISSN0921-5093
AbstractThis paper investigates the in situ tensile cracks propagating behavior of composite coatings on the aluminized steel generated using the plasma electrolytic oxidation (PEO) technique. Cross-sectional micrographs and elemental compositions were investigated by scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS). The composite coatings were shown to consist of Fe-Al, Al and Al(2)O(3) layers. The cracks propagating behavior was observed in real-time in situ SEM tensile test. In tensile process, the cracks were temporarily stopped when cracks propagated from Fe-Al layer to Al layer. The critical crack opening displacement delta(c) was introduced to quantitatively describe the resistance of the Al layer. There was a functional relation among the thickness ratio t(Al)/t(Al2O3), the delta(c) of composite coatings and tensile cracks' spacing. The delta(c) increased with the increasing of the thickness ratio (t(Al)/t(Al2O3)). The high delta(c) value means high fracture resistance. Therefore, a control of the thickness ratio t(Al)/t(Al2O3) was concerned as a key to improve the toughness and strength of the aluminized steel. (C) 2010 Elsevier B.V. All rights reserved.
KeywordPlasma Electrolytic Oxidation Composite Coatings In Situ Tensile Test Thickness Ratio Crack Opening Displacement Plasma Electrolytic Oxidation Mechanical-properties Microarc Oxidation Ceramic Coatings Magnesium Alloy Oxide Coatings Al2o3 Coatings Mg Alloy Corrosion Substrate
Subject AreaScience & Technology - Other Topics ; Materials Science
DOI10.1016/j.msea.2010.10.027
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000286904300086
WOS KeywordPLASMA ELECTROLYTIC OXIDATION ; MECHANICAL-PROPERTIES ; MICROARC OXIDATION ; CERAMIC COATINGS ; MAGNESIUM ALLOY ; OXIDE COATINGS ; AL2O3 COATINGS ; MG ALLOY ; CORROSION ; SUBSTRATE
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationThe authors would like to thank the financial support of the National Nature Science Foundation of China (Nos. 10832011, 10772179).
DepartmentMAM镀层工艺力学与摩擦学
Classification一类
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45142
Collection先进制造工艺力学重点实验室
Corresponding AuthorXia, YA (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Chen ZT,Li G,Wu ZQ,et al. The crack propagating behavior of composite coatings prepared by PEO on aluminized steel during in situ tensile processing[J]. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2011,528(3):1409-1414.
APA 陈支通,李光,吴振强,夏原,&Xia, YA .(2011).The crack propagating behavior of composite coatings prepared by PEO on aluminized steel during in situ tensile processing.Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,528(3),1409-1414.
MLA 陈支通,et al."The crack propagating behavior of composite coatings prepared by PEO on aluminized steel during in situ tensile processing".Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 528.3(2011):1409-1414.
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