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Study on thermal fatigue behaviors of two kinds of vermicular graphite cast irons
Zhang, M. X.1; Pang, J. C.1; Meng, L. J.1; Li, S. X.1; Liu, Q. Y.2; Jiang, A. L.2; Zhang, Z. F.1
Corresponding AuthorPang, J. C.(jcpang@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2021-05-13
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume814Pages:10
AbstractDue to the good thermal stability and mechanical properties, vermicular graphite cast iron is widely used to make industry components. Many of them are inevitably impacted by alternating temperature load. Therefore, two kinds of vermicular graphite cast irons, RuT400 and RuT450, were employed to study the features of thermal fatigue crack initiation and propagation in different temperature ranges. And the relationship between the length of thermal fatigue crack and number of cycles were also analyzed. It can be found that the thermal fatigue properties between the two materials are obviously different because of different microstructures. At present testing temperatures, RuT450 has higher pearlite content, lower thermal crack growth rate, higher transition temperature. The grain boundary slide temperature of ferrite and transition temperature of pearlite have important influences on the thermal fatigue cracks of two kinds of vermicular graphite cast irons.
KeywordVermicular graphite cast iron Microstructures Thermal fatigue Cracks Fracture mechanism
Funding OrganizationNational Nature Science Foundation of China (NSCF) ; Science Fund of State Key Laboratory of Engine Reliability (SKLER) ; LiaoNing Revitalization Talents Program
DOI10.1016/j.msea.2021.141212
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China (NSCF)[51871224] ; Science Fund of State Key Laboratory of Engine Reliability (SKLER) ; LiaoNing Revitalization Talents Program[XLYC1808027]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000647781100002
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161149
Collection中国科学院金属研究所
Corresponding AuthorPang, J. C.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Inst Met Res, Mat Fatigue & Fracture Lab, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Weichai Power Co Ltd, Weifang 261061, Peoples R China
Recommended Citation
GB/T 7714
Zhang, M. X.,Pang, J. C.,Meng, L. J.,et al. Study on thermal fatigue behaviors of two kinds of vermicular graphite cast irons[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,814:10.
APA Zhang, M. X..,Pang, J. C..,Meng, L. J..,Li, S. X..,Liu, Q. Y..,...&Zhang, Z. F..(2021).Study on thermal fatigue behaviors of two kinds of vermicular graphite cast irons.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,814,10.
MLA Zhang, M. X.,et al."Study on thermal fatigue behaviors of two kinds of vermicular graphite cast irons".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 814(2021):10.
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