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Morphological changes of oxide grains during oxidation of pure iron in an environmental scanning electron microscope
Alternative TitlePart. Part. Syst. Charact.
Shao, MJ; Li, HJ; Kwauk, M
1997-02-01
Source PublicationPARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
ISSN0934-0866
Volume14Issue:1Pages:35-40
AbstractFor modeling particles-gas reactions in terms of the morphology of nascent solid reaction products, a technique using the environmental scanning electron microscope (ESEM) was developed to monitor the in situ oxidation of iron. Experimental conditions of the oxidation experiments were selected as the temperature range of 500-750 degrees C and the oxygen partial pressure range 10(-4)-45 Pa. The evolution of nucleation and growth of oxide whiskers or grains on the surface of iron specimens under the ESEM was recorded. The characteristics of some specimens were further examined after oxidation by post-analysis. Three sets of experimental results and other relative micrographs are shown. In the light of the surface morphology and textures of the oxide growths in the micrographs, their growth mechanism and reaction kinetics are discussed. Finally, a plausible physical model for oxidation of iron is suggested.; For modeling particles-gas reactions in terms of the morphology of nascent solid reaction products, a technique using the environmental scanning electron microscope (ESEM) was developed to monitor the in situ oxidation of iron. Experimental conditions of the oxidation experiments were selected as the temperature range of 500-750 degrees C and the oxygen partial pressure range 10(-4)-45 Pa. The evolution of nucleation and growth of oxide whiskers or grains on the surface of iron specimens under the ESEM was recorded. The characteristics of some specimens were further examined after oxidation by post-analysis. Three sets of experimental results and other relative micrographs are shown. In the light of the surface morphology and textures of the oxide growths in the micrographs, their growth mechanism and reaction kinetics are discussed. Finally, a plausible physical model for oxidation of iron is suggested.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:A1997WN06700006
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/5997
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Shao, MJ,Li, HJ,Kwauk, M. Morphological changes of oxide grains during oxidation of pure iron in an environmental scanning electron microscope[J]. PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION,1997,14(1):35-40.
APA Shao, MJ,Li, HJ,&Kwauk, M.(1997).Morphological changes of oxide grains during oxidation of pure iron in an environmental scanning electron microscope.PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION,14(1),35-40.
MLA Shao, MJ,et al."Morphological changes of oxide grains during oxidation of pure iron in an environmental scanning electron microscope".PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION 14.1(1997):35-40.
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