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Title:
Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing
Author: Yang Z; Yu YY; Wei YP(魏延鹏); Huang CG(黄晨光)
Source: THIN-WALLED STRUCTURES
Issued Date: 2017
Volume: 111, Pages:1-8
Abstract: Selective 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.
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Wei, YP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Correspondent Email: weiyanpeng@imech.ac.cn
DOI: 10.1016/j.tws.2016.11.004
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Engineering, Civil
WOS Subject Extended: Engineering
WOS Keyword Plus: Selective laser melting (SLM) ; 3D printing ; Thin-walled tube ; Internal defects ; Energy absorption
WOS ID: WOS:000393004100001
ISSN: 0263-8231
Rank: [Yang, Zhe; Wei, Yanpeng; Huang, Chenguang] Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; [Yu, Yangyang] CRRC Qingdao Sifang Locomot & Rolling Stock Co Lt, Qingdao 266111, Peoples R China
Department: LMFS冲击与耦合效应(LHO)
Classification: 二类
Ranking: 1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60101
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
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,2017-01-01,111:1-8.
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