IMECH-IR  > 流固耦合系统力学重点实验室
Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing
Yang Z; Yu YY; Wei YP(魏延鹏); Huang CG(黄晨光); Wei, YP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Source PublicationTHIN-WALLED STRUCTURES
2017
Volume111Pages:1-8
ISSN0263-8231
AbstractSelective laser melting (SLM) is a mature method in the fabrication of structures bearing static loading and small strains; however, structures experiencing large deformation under impact loading remains an issue. In this paper, the author fabricates a 316L stainless steel thin-walled circular tube with preset internal circumferential rectangular groove defects using the SLM method. MTS compression and Split Hopkinson Pressure Bar tests are performed to judge the material behavior of SLM printed 316L stainless steel, and Johnson-Cook constitutive model parameters are fitted from the results. The crushing behavior of the SLM printed tube is studied experimentally and numerically via the drop hammer test and the finite element analysis. There are two stages of the crushing process of the tube as the results show: the budding stage and the splitting stage. The internal grooves have effects on controlling the initial buckling position and fracture position during the buckling stage. The double buckling-splitting crushing mode in one simple structure, provides a new energy absorption approach for engineering application.
DOI10.1016/j.tws.2016.11.004
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000393004100001
WOS KeywordSelective laser melting (SLM) ; 3D printing ; Thin-walled tube ; Internal defects ; Energy absorption
WOS Research AreaEngineering
WOS SubjectEngineering, Civil
DepartmentLMFS冲击与耦合效应(LHO)
Classification二类
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60101
Collection流固耦合系统力学重点实验室
Corresponding AuthorWei, YP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yang Z,Yu YY,Wei YP,et al. Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing[J]. THIN-WALLED STRUCTURES,2017,111:1-8.
APA Yang Z,Yu YY,魏延鹏,黄晨光,&Wei, YP .(2017).Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing.THIN-WALLED STRUCTURES,111,1-8.
MLA Yang Z,et al."Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing".THIN-WALLED STRUCTURES 111(2017):1-8.
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