IMECH-IR  > 非线性力学国家重点实验室
Fracture behaviors under pure shear loading in bulk metallic glasses
Chen C(陈岑); Gao M; Wang C; Wang WH; Wang ZQ(王自强); Wang, TC (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.; Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Source PublicationSCIENTIFIC REPORTS
2016
Volume6Pages:39522
ISSN2045-2322
AbstractPure shear fracture test, as a special mechanical means, had been carried out extensively to obtain the critical information for traditional metallic crystalline materials and rocks, such as the intrinsic deformation behavior and fracture mechanism. However, for bulk metallic glasses (BMGs), the pure shear fracture behaviors have not been investigated systematically due to the lack of a suitable test method. Here, we specially introduce a unique antisymmetrical four-point bend shear test method to realize a uniform pure shear stress field and study the pure shear fracture behaviors of two kinds of BMGs, Zr-based and La-based BMGs. All kinds of fracture behaviors, the pure shear fracture strength, fracture angle and fracture surface morphology, are systematically analyzed and compared with those of the conventional compressive and tensile fracture. Our results indicate that both the Zrbased and La-based BMGs follow the same fracture mechanism under pure shear loading, which is significantly different from the situation of some previous research results. Our results might offer new enlightenment on the intrinsic deformation and fracture mechanism of BMGs and other amorphous materials.
DOI10.1038/srep39522
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Indexed BySCI
Language英语
WOS IDWOS:000390412900001
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
Funding OrganizationNational Natural Science Foundation of China [11021262, 11172303, 11132011, 51271195] ; National Basic Research Program of China [2012CB937500, 2015CB856800]
DepartmentLNM固体物理力学
Classification一类
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59977
Collection非线性力学国家重点实验室
Corresponding AuthorWang, TC (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.; Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Chen C,Gao M,Wang C,et al. Fracture behaviors under pure shear loading in bulk metallic glasses[J]. SCIENTIFIC REPORTS,2016,6:39522.
APA 陈岑.,Gao M.,Wang C.,Wang WH.,王自强.,...&Wang, WH .(2016).Fracture behaviors under pure shear loading in bulk metallic glasses.SCIENTIFIC REPORTS,6,39522.
MLA 陈岑,et al."Fracture behaviors under pure shear loading in bulk metallic glasses".SCIENTIFIC REPORTS 6(2016):39522.
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