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A Hierarchical Theory for the Tensile Stiffness of Non-Buckling Fractal-Inspired Interconnects

文献类型：期刊论文

作者Wang, Yongkang5,6; Zhou, Zanxin5,6; Li, Rui4; Wang, Jianru3; Sha, Baolin2; Li, Shuang5,6; Su, Yewang1,5,6; Wang YK(王勇康)
刊名NANOMATERIALS
出版日期2023-09-01
卷号13期号:18页码:16
关键词fractal design tensile stiffness hierarchical theory stretchable inorganic electronics
DOI10.3390/nano13182542
通讯作者Li, Shuang(lishuang@lnm.imech.ac.cn) ; Su, Yewang(yewangsu@imech.ac.cn)
英文摘要The design of non-buckling interconnects with thick sections has gained important applications in stretchable inorganic electronics due to their simultaneous achievement of high stretchability, low resistance, and low heat generation. However, at the same time, such a design sharply increased the tensile stiffness, which is detrimental to the conformal fit and skin comfort. Introducing the fractal design into the non-buckling interconnects is a promising approach to greatly reduce the tensile stiffness while maintaining other excellent performances. Here, a hierarchical theory is proposed for the tensile stiffness of the non-buckling fractal-inspired interconnects with an arbitrary shape at each order, which is verified by the finite element analysis. The results show that the tensile stiffness of the non-buckling fractal-inspired interconnects decreases with the increase in either the height/span ratio or the number of fractal orders but is not highly correlated with the ratio of the two adjacent dimensions. When the ratio of the two adjacent dimensions and height/span ratio are fixed, the tensile stiffness of the serpentine fractal-inspired interconnect is smaller than that of sinusoidal and zigzag fractal-inspired interconnects. These findings are of great significance for the design of non-buckling fractal-inspired interconnects of stretchable inorganic electronics.
WOS关键词SERPENTINE MICROSTRUCTURES ; SILICON ; ELECTRONICS ; INTERFACES ; CIRCUITS ; DESIGNS ; SOFT
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:001077989500001
源URL[http://dspace.imech.ac.cn/handle/311007/93078]  
专题力学研究所_非线性力学国家重点实验室
通讯作者Li, Shuang; Su, Yewang
作者单位1.Chinese Acad Sci, Inst Mech, Beijing Key Lab Engn Construct & Mechanobiol, Beijing 100190, Peoples R China
2.Fourth Acad CASC, Inst 41, Xian 710025, Peoples R China
3.Xian Aerosp Prop Technol Inst, Xian 710025, Peoples R China
4.Dalian Univ Technol, Int Res Ctr Computat Mech, Dept Engn Mech, State Key Lab Struct Anal Optimizat & CAE Software, Dalian 116024, Peoples R China
5.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Yongkang,Zhou, Zanxin,Li, Rui,et al. A Hierarchical Theory for the Tensile Stiffness of Non-Buckling Fractal-Inspired Interconnects[J]. NANOMATERIALS,2023,13(18):16.
APA Wang, Yongkang.,Zhou, Zanxin.,Li, Rui.,Wang, Jianru.,Sha, Baolin.,...&王勇康.(2023).A Hierarchical Theory for the Tensile Stiffness of Non-Buckling Fractal-Inspired Interconnects.NANOMATERIALS,13(18),16.
MLA Wang, Yongkang,et al."A Hierarchical Theory for the Tensile Stiffness of Non-Buckling Fractal-Inspired Interconnects".NANOMATERIALS 13.18(2023):16.

入库方式： OAI收割

来源：力学研究所

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