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Influence of temperature on the high-cycle fatigue properties of compacted graphite iron
Qiu, Y.1,2; Pang, J. C.1; Zhang, M. X.1; Zou, C. L.1,3; Li, S. X.1; Zhang, Z. F.1
Corresponding AuthorPang, J. C.(jcpang@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2018-07-01
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
ISSN0142-1123
Volume112Pages:84-93
AbstractHigh-cycle fatigue tests of compacted graphite iron (CGI) at 25 degrees C, 400 degrees C and 500 degrees C were performed. The corresponding fatigue damage mechanisms were investigated by the observations on fractographies and longitudinal section morphologies of typical samples. The results show that the decreasing rate of fatigue strength from 400 degrees C to 500 degrees C is higher than that from 25 degrees C to 400 degrees C. The fatigue strength coefficient of S-N curve fitted with the Basquin relationship decreases from 25 degrees C to 400 degrees C and increases from 400 degrees C to 500 degrees C; while the fatigue strength exponent performs in an inverse tendency. These are resulted from plastic deformation mode transition of the ferrite at the tip of the crack induced by the graphite debonding: slip band at 25 degrees C and 400 degrees C to grain boundary sliding at 500 degrees C. Finally, the influences of carbide on fatigue properties were discussed.
KeywordCompacted graphite iron Fatigue properties Fatigue strength Fatigue damage mechanism
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.ijfatigue.2018.02.034
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51301179] ; National Natural Science Foundation of China (NSFC)[51331007]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
WOS IDWOS:000432645700009
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128527
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.,Zhang, M. X.,et al. Influence of temperature on the high-cycle fatigue properties of compacted graphite iron[J]. INTERNATIONAL JOURNAL OF FATIGUE,2018,112:84-93.
APA Qiu, Y.,Pang, J. C.,Zhang, M. X.,Zou, C. L.,Li, S. X.,&Zhang, Z. F..(2018).Influence of temperature on the high-cycle fatigue properties of compacted graphite iron.INTERNATIONAL JOURNAL OF FATIGUE,112,84-93.
MLA Qiu, Y.,et al."Influence of temperature on the high-cycle fatigue properties of compacted graphite iron".INTERNATIONAL JOURNAL OF FATIGUE 112(2018):84-93.
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