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Computer simulation of morphology evolution of oxide scales during oxidation
Zhu, S; Xiong, Y; Zhang, F; Teng, Y; Zhang, J; Wang, F; Wu, W
Corresponding AuthorZhu, S(slzhu@imr.ac.cn)
2004
Source PublicationHIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 6, PRT 1 AND 2, PROCEEDINGS
ISSN0255-5476
Volume461-464Pages:147-152
AbstractWe proposed a phenomenological model for the morphology evolution of oxide scales thermally growing on metals and alloys during oxidation. This model is based on two well-known experimental facts: (1) the growth rates of the crystalline facets of oxide might differ from each other; (2) the nucleation density of oxide might vary from system to system of alloy/oxide. A two-dimensional computer simulation was formulated. The simulations predicted the formation of equiaxial, needle-like, stump-like and flower-like morphology of oxide scales on alloys. The simulation results showed that equiaxial oxide scales formed when the nucleation rate was high and the growth rates of facets did not differ too much from each other, while needle-like scales formed when the growth rates of a pair of facets was much higher than those of other facets. It was also shown that the stump-like scales usually accompanied the flower-like ones when parts of facets grew at high rates. The numerical results were in good agreement with the morphologies of oxide scales on several sputtered CoCrAlY alloys.
Keywordmorphology evolution oxide scale oxidation computer simulation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000223339700019
PublisherTRANS TECH PUBLICATIONS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/118383
Collection中国科学院金属研究所
Corresponding AuthorZhu, S
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhu, S,Xiong, Y,Zhang, F,et al. Computer simulation of morphology evolution of oxide scales during oxidation[J]. HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 6, PRT 1 AND 2, PROCEEDINGS,2004,461-464:147-152.
APA Zhu, S.,Xiong, Y.,Zhang, F.,Teng, Y.,Zhang, J.,...&Wu, W.(2004).Computer simulation of morphology evolution of oxide scales during oxidation.HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 6, PRT 1 AND 2, PROCEEDINGS,461-464,147-152.
MLA Zhu, S,et al."Computer simulation of morphology evolution of oxide scales during oxidation".HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 6, PRT 1 AND 2, PROCEEDINGS 461-464(2004):147-152.
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