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The Relationship between Strength and Toughness in Tempered Steel: Trade-Off or Invariable?
Li, He-Fei1,2; Duan, Qi-Qiang1; Zhang, Peng1; Zhang, Zhe-Feng1,2
Corresponding AuthorZhang, Peng(pengzhang@imr.ac.cn) ; Zhang, Zhe-Feng(zhfzhang@imr.ac.cn)
2019-04-01
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume21Issue:4Pages:6
AbstractTwo different types of strength-toughness relations are investigated in tempered steel (tempered at 25-420 degrees C). It is found that there is a trade-off relation between strength-fracture toughness and becomes invariable relation between strength-impact toughness. The effect of microstructure on the materials toughness is related to the manner of energy consumption, which should be attributed to the notch root radius of the specimen. The coarse carbides and dislocation density inside the martensite lath have distinct effects on the energy for crack initiation (impact toughness) and crack growth (fracture toughness). Additionally, the mechanism of coarse carbides on the tempered martensite embrittlement is elaborated deeply.
Keywordcrack initiation and growth fracture toughness impact toughness strength-toughness relationship tempered martensite embrittlement
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Strategic Priority Research Program of the Chinese Academy of Sciences
DOI10.1002/adem.201801116
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51331007] ; National Natural Science Foundation of China (NSFC)[51771208] ; National Natural Science Foundation of China (NSFC)[U1664253] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22020202]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000468000300021
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/133388
Collection中国科学院金属研究所
Corresponding AuthorZhang, Peng; Zhang, Zhe-Feng
Affiliation1.Chinese Acad Sci, Mat Fatigue & Fracture Div, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Li, He-Fei,Duan, Qi-Qiang,Zhang, Peng,et al. The Relationship between Strength and Toughness in Tempered Steel: Trade-Off or Invariable?[J]. ADVANCED ENGINEERING MATERIALS,2019,21(4):6.
APA Li, He-Fei,Duan, Qi-Qiang,Zhang, Peng,&Zhang, Zhe-Feng.(2019).The Relationship between Strength and Toughness in Tempered Steel: Trade-Off or Invariable?.ADVANCED ENGINEERING MATERIALS,21(4),6.
MLA Li, He-Fei,et al."The Relationship between Strength and Toughness in Tempered Steel: Trade-Off or Invariable?".ADVANCED ENGINEERING MATERIALS 21.4(2019):6.
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