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High-Temperature Oxidation Behavior and Related Mechanism of RuT400 Vermicular Graphite Iron
Chen, Yu1,2; Pang, Jian-chao2; Li, Shou-xin2; Zhang, Zhe-feng1,2
Corresponding AuthorPang, Jian-chao(jcpang@imr.ac.cn) ; Zhang, Zhe-feng(zhfzhang@imr.ac.cn)
2021-11-11
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages14
AbstractThe vermicular graphite iron is an important material with excellent combination properties for cylinder heads of diesel engines, and the high-temperature oxidation is a crucial problem during service of the component. In this study, the oxidation experiment of RuT400 vermicular graphite iron was performed at 500 degrees C, and the oxidation time was chosen as 100 h, 200 h, 300 h, 400 h, and 500 h, respectively. Meanwhile, the corresponding microstructure evolution, oxidation kinetics, and oxidation mechanism were discussed. It is found that oxidation pores and oxide layer often appear at the vermicular graphite on the specimen surface; the vermicular graphite plays the role of oxidation channel, and it tends to diffuse along the adjacent pearlite and then connect with each other to form oxidation bridges as the oxidation time prolongs. A linear relationship between oxidation weight gain and the thickness of the oxide layer was established and verified well. These results will give a more comprehensive understanding on the oxidation mechanism of vermicular graphite iron and provide certain guidance for design and preparation of anti-oxidation cast irons.
KeywordVermicular graphite iron High-temperature oxidation Microstructure evolution Oxidation mechanism
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Natural Science Foundation of Liaoning Province
DOI10.1007/s40195-021-01343-w
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51871224] ; Natural Science Foundation of Liaoning Province[20180550880]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000717443700001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167360
Collection中国科学院金属研究所
Corresponding AuthorPang, Jian-chao; Zhang, Zhe-feng
Affiliation1.Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450001, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yu,Pang, Jian-chao,Li, Shou-xin,et al. High-Temperature Oxidation Behavior and Related Mechanism of RuT400 Vermicular Graphite Iron[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:14.
APA Chen, Yu,Pang, Jian-chao,Li, Shou-xin,&Zhang, Zhe-feng.(2021).High-Temperature Oxidation Behavior and Related Mechanism of RuT400 Vermicular Graphite Iron.ACTA METALLURGICA SINICA-ENGLISH LETTERS,14.
MLA Chen, Yu,et al."High-Temperature Oxidation Behavior and Related Mechanism of RuT400 Vermicular Graphite Iron".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):14.
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