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Fatigue strength model based on microstructures and damage mechanism of compacted graphite iron
Qiu, Y.1,2; Pang, J. C.1; Zou, C. L.1,3; Zhang, M. X.1; Li, S. X.1; Zhang, Z. F.1
Corresponding AuthorPang, J. C.(jcpang@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2018-05-02
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume724Pages:324-329
AbstractThe as-casted compacted graphite irons (CGIs) with different microstructures were opted to investigate the relation between tensile and fatigue strengths as well as the correspondingly influencing mechanisms. The results show that the fatigue strength increases first and then decreases with increasing the tensile strength. The fatigue strength is mainly determined by the area percentage ratio of ferrite to graphite and the strength of ferrite, while the tensile strength is basically dominated by the pearlite area percentage, resulting in the nonsynchronous relation above. Finally, based on these investigations, a prediction model for the fatigue strength of CGI is proposed.
KeywordCompacted graphite iron Multi-phase microstructure Tensile strength Fatigue strength model Fatigue mechanism
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.msea.2018.03.110
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51301179] ; National Natural Science Foundation of China (NSFC)[51331007]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000432640000035
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128087
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, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Shougang Grp Co Ltd, Res Inst Technol, 69 Yangzhuang Rd, Beijing 100041, Peoples R China
3.Shenyang Univ Technol, Sch Mat Sci & Engn, 111 Shenliao Rd, Shenyang 110870, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Qiu, Y.,Pang, J. C.,Zou, C. L.,et al. Fatigue strength model based on microstructures and damage mechanism of compacted graphite iron[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,724:324-329.
APA Qiu, Y.,Pang, J. C.,Zou, C. L.,Zhang, M. X.,Li, S. X.,&Zhang, Z. F..(2018).Fatigue strength model based on microstructures and damage mechanism of compacted graphite iron.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,724,324-329.
MLA Qiu, Y.,et al."Fatigue strength model based on microstructures and damage mechanism of compacted graphite iron".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 724(2018):324-329.
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