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Correlation Between Dynamic Compressive Strength and Fracture Behaviors of Bulk Metallic Glasses
Li, Wenqing1,2; Zhu, Zhengwang1; Li, Guojie3; Zhang, Long1; Li, Zhengkun1; Fu, Huameng1; Zhang, Hongwei1; Li, Hong1; Wang, Aimin1; Zhang, Haifeng1
Corresponding AuthorZhu, Zhengwang(zwzhu@imr.ac.cn) ; Zhang, Haifeng(hfzhang@imr.ac.cn)
2020-05-15
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages9
AbstractThe mechanical behaviors of Zr43.5Cu43.5Ni4Al8Nb1, Zr55.4Cu31.6Ni4Al8Nb1, Ti32.8Zr30.2Ni5.3Cu9Be22.7 (at.%) metallic glass at different strain rates were studied. For all the present alloys, the dispersion over 700 MPa was observed on the strength in the repeated dynamic compressions, which was much stronger than that of the quasi-static compressive strength. Such the dispersion of the dynamic compressive strength was well correlated with the corresponding fracture behaviors. The area of fracture surface was calculated and also showed a strong dispersion for all the fractured specimens tested at the strain rate of 500 s(-1) and 1000 s(-1). All the specimens showed a linear relationship between the square of dynamic compressive strength and the area of fracture surface in the dynamic compression tests. This phenomenon was mainly thought to be related to the difference of mean initial free volume concentration of different samples, stress concentration caused by the split Hopkinson pressure bar experimental setup and high sensitivity of defects under dynamic deformation. These findings were beneficial to deeply understand the effect of strain rate on the mechanical properties of the metallic glass.
KeywordMetallic glass Dynamic compression Weibull statistics Shear bands
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program ; Liaoning Revitalization Talents Program ; Shenyang Amorphous Metal Manufacturing Co., Ltd.
DOI10.1007/s40195-020-01065-5
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51790484] ; National Natural Science Foundation of China[U1738101] ; National Key Research and Development Program[2018YFB0703402] ; Liaoning Revitalization Talents Program[XLYC1802078] ; Liaoning Revitalization Talents Program[XLYC1807062] ; Shenyang Amorphous Metal Manufacturing Co., Ltd.
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000533049300001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138802
Collection中国科学院金属研究所
Corresponding AuthorZhu, Zhengwang; Zhang, Haifeng
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Beijing Inst Space Long March Vehicle, Beijing 10076, Peoples R China
Recommended Citation
GB/T 7714
Li, Wenqing,Zhu, Zhengwang,Li, Guojie,et al. Correlation Between Dynamic Compressive Strength and Fracture Behaviors of Bulk Metallic Glasses[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:9.
APA Li, Wenqing.,Zhu, Zhengwang.,Li, Guojie.,Zhang, Long.,Li, Zhengkun.,...&Zhang, Haifeng.(2020).Correlation Between Dynamic Compressive Strength and Fracture Behaviors of Bulk Metallic Glasses.ACTA METALLURGICA SINICA-ENGLISH LETTERS,9.
MLA Li, Wenqing,et al."Correlation Between Dynamic Compressive Strength and Fracture Behaviors of Bulk Metallic Glasses".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):9.
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