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High fatigue endurance limit of a metastable Ti-based metallic glass composite with martensitic transformation
Wang, X. D.1; Song, S. L.1; Liu, D. M.2; Zhu, Z. W.3; Zhang, H. F.3; Ren, X. C.1
Corresponding AuthorZhu, Z. W.(zwzhu@imr.ac.cn) ; Ren, X. C.(xcren@ustb.edu.cn)
2021-09-01
Source PublicationINTERMETALLICS
ISSN0966-9795
Volume136Pages:8
AbstractIntroducing the dendrite phase is an effective solution to overcome the low fatigue resistance of metallic glass (MG). In present study, we examined the four-point bending fatigue behavior of a new Ti50.32Zr33.92Cu4.56Ni2.12Be9.08 metallic glass composite (MGC) containing metastable dendrites. The stress-life (S-N) test and various characterization techniques including X-ray diffractometer (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM) were carried out. The fatigue endurance limit, defined as the maximum stress amplitude to which the sample is subjected for 107 cycles without failure, was measured to be -360 MPa in current MGC. Just compared to the four-point bending fatigue data in previously reported MGCs, the fatigue limit of current MGC is highest. Such excellent fatigue property results from the coupled effect of two aspects on the shear banding and fatigue damage behaviors, i.e., one is the fine separation between the dendrite phases and the other is the martensitic transformation of the metastable dendrites. These findings may improve the understanding on the fatigue mechanisms and provide a promising way for designing the MGs or MGCs with better fatigue performance.
KeywordMetallic glass composite Fatigue endurance limit Martensitic transformation Shear band Fatigue crack
Funding OrganizationChina Postdoctoral Sci-ence Foundation ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China (NSFC)
DOI10.1016/j.intermet.2021.107253
Indexed BySCI
Language英语
Funding ProjectChina Postdoctoral Sci-ence Foundation[2019M660455] ; Fundamental Research Funds for the Central Universities[FRF-TP-19-011A1] ; National Natural Science Foundation of China (NSFC)[11932020]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000696640000003
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166954
Collection中国科学院金属研究所
Corresponding AuthorZhu, Z. W.; Ren, X. C.
Affiliation1.Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China
2.Anyang Normal Univ, Sch Phys & Elect Engn, Anyang 455000, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, X. D.,Song, S. L.,Liu, D. M.,et al. High fatigue endurance limit of a metastable Ti-based metallic glass composite with martensitic transformation[J]. INTERMETALLICS,2021,136:8.
APA Wang, X. D.,Song, S. L.,Liu, D. M.,Zhu, Z. W.,Zhang, H. F.,&Ren, X. C..(2021).High fatigue endurance limit of a metastable Ti-based metallic glass composite with martensitic transformation.INTERMETALLICS,136,8.
MLA Wang, X. D.,et al."High fatigue endurance limit of a metastable Ti-based metallic glass composite with martensitic transformation".INTERMETALLICS 136(2021):8.
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