IMR OpenIR
Dynamic mechanical response of ZrCu-based bulk metallic glasses
Tao, K.1; Qiao, J. C.1,2; Zhang, L.3; Pelletier, J. M.4
Corresponding AuthorQiao, J. C.(qjczy@nwpu.edu.cn) ; Pelletier, J. M.(jean-marc.pelletier@insa-lyon.fr)
2021-12-01
Source PublicationINTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
ISSN0020-7403
Volume211Pages:15
AbstractThe thermal stability and the dynamic mechanical relaxation behavior of (Zr50Cu40Al10)(100-x)Dy-x (at.%) (x = 0 or 2) metallic glasses were investigated by differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). In the case of the (Zr50Cu40Al10)(100-x)Dy-x (x = 0 or 2) metallic glasses, atomic mobility increases by introduction of the Dy element. The activation energy of the the main a relaxation process and fragility index were discussed according to the DMA measurements. With the help of the time-temperature superposition (TTS) principle, the master curves of the model alloys were established, the Kohlrausch-Williams-Watts (KWW) function and quasi-point defects (QPD) theory were used to descirbe the master curves of the metallic glasses. The characteristic parameters related to microstructural heterogeneity in the KWW equation and the QPD model, Kohlrausch exponent beta(KWW) and the correlation factor chi were evaluated. In parallel, the elastic, viscoelastic and viscoplastic responses of the model alloys have been analyzed based on the DMA results. Our investigations demonstrated that introduction of the Dy increases the structure heterogeneity of the (Zr50Cu40Al10)(100-x)Dy-x (x = 0 or 2) glassy system, which plays an important role in tailoring the dynamic relaxation behavior and mechanical properties of the metallic glasses.
KeywordMetallic glass Mechanical relaxation process Microstructure heterogeneity Quasi-point theory Physical aging
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Prov-ince ; Natural Science Foundation of Chongqing
DOI10.1016/j.ijmecsci.2021.106770
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51971178] ; National Natural Science Foundation of China (NSFC)[52171164] ; Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Prov-ince[2021JC-12] ; Natural Science Foundation of Chongqing[cstc2020jcyj-jqX0001]
WOS Research AreaEngineering ; Mechanics
WOS SubjectEngineering, Mechanical ; Mechanics
WOS IDWOS:000696620900001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166960
Collection中国科学院金属研究所
Corresponding AuthorQiao, J. C.; Pelletier, J. M.
Affiliation1.Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Peoples R China
2.NPU, Chongqing Sci & Technol Innovat Ctr, Chongqing 401135, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
4.Univ Lyon, INSA Lyon, UMR CNRS5510, MATEIS, Bat B Pascal, F-69621 Villeurbanne, France
Recommended Citation
GB/T 7714
Tao, K.,Qiao, J. C.,Zhang, L.,et al. Dynamic mechanical response of ZrCu-based bulk metallic glasses[J]. INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,2021,211:15.
APA Tao, K.,Qiao, J. C.,Zhang, L.,&Pelletier, J. M..(2021).Dynamic mechanical response of ZrCu-based bulk metallic glasses.INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,211,15.
MLA Tao, K.,et al."Dynamic mechanical response of ZrCu-based bulk metallic glasses".INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 211(2021):15.
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