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High-temperature fatigue behavior and cyclic deformation of a gradient nanostructured RAFM steel
Zhao, Yanyun1; Liang, Mengtian2; Liu, Shaojun3; Zhang, Weihua4,5
Corresponding AuthorLiu, Shaojun(liu5687@inest.cas.cn) ; Zhang, Weihua(whzhang@upc.edu.cn)
2022-10-01
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
ISSN0142-1123
Volume163Pages:9
AbstractThe gradient nanostructured (GNS) surface layer was prepared to enhance the high-temperature fatigue properties of reduced activation ferritic/martensitic (RAFM) steel. The GNS-RAFM steel showed high stability of microstructures at a high temperature of 550 degrees C/60 min due to the pinning effect of M23C6 and MX precipitates, which contributed to an improvement of fatigue life at 550 degrees C/260 MPa by 5.5 times compared to the original one. Moreover, the high-temperature fatigue resistance enhancement in the SMRT samples was supposed to be the synergistic contribution of compressive residual stress arising, grain nanocrystallization/refinement, and the strain delocalization introduced in the gradient nanostructure.
KeywordGradient nanostructure RAFM steel Fatigue property Strain delocalization High temperature
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
DOI10.1016/j.ijfatigue.2022.107013
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601190] ; National Natural Science Foundation of China[51601197] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017486]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
WOS IDWOS:000806669400001
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174348
Collection中国科学院金属研究所
Corresponding AuthorLiu, Shaojun; Zhang, Weihua
Affiliation1.Yantai Univ, Coll Nucl Equipment & Nucl Engn, Yantai 264010, Shandong, Peoples R China
2.Int Acad Neutron Sci, Qingdao 266199, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China
4.China Univ Petr East China, Sch Mat Sci & Engn, Qingdao 266580, Peoples R China
5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Yanyun,Liang, Mengtian,Liu, Shaojun,et al. High-temperature fatigue behavior and cyclic deformation of a gradient nanostructured RAFM steel[J]. INTERNATIONAL JOURNAL OF FATIGUE,2022,163:9.
APA Zhao, Yanyun,Liang, Mengtian,Liu, Shaojun,&Zhang, Weihua.(2022).High-temperature fatigue behavior and cyclic deformation of a gradient nanostructured RAFM steel.INTERNATIONAL JOURNAL OF FATIGUE,163,9.
MLA Zhao, Yanyun,et al."High-temperature fatigue behavior and cyclic deformation of a gradient nanostructured RAFM steel".INTERNATIONAL JOURNAL OF FATIGUE 163(2022):9.
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