Adhesion of beams with subsurface elastic heterogeneity
Adhesion of beams with subsurface elastic heterogeneity
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具有次表面弹性异质性的梁的粘附
DOI：
10.1016/j.jmps.2021.104713
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发表时间：
2022
影响因子：
5.3
通讯作者：
Turner, Kevin T.
中科院分区：
文献类型：
--
作者：
Luo, Aoyi;Turner, Kevin T.
具有增强和选择性粘附以及低刚度的梁状结构对于微转移印刷工艺和软机器人抓取设备等应用很有意义。柔性梁的刚度和粘附力可以通过包含结构化刚性嵌入物来改变，这些嵌入物改变了粘附界面处的机械响应和应力分布。在这里，研究了表面下方嵌入刚性插入物的柔顺梁的粘附行为。插入物的长度和插入物相对于梁高度的间距是控制粘附行为的关键参数。包含刚性插入物增加了梁的有效粘附力，但只有当插入物超过临界插入物长度时才能实现最大粘附力增强。插入物之间的间距也起着关键作用，插入物间距<〜1.5倍梁高度会导致插入物之间的相互作用，可用于增加有效粘附力。总体而言，这项工作提供了对地下弹性异质性如何影响梁的分层行为的理解，并为包含插图的异质梁的设计提供指导，以实现受控的粘附和弯曲刚度。
Beam-like structures with enhanced and selective adhesion as well as low stiffness are of interest for applications such as microtransfer printing processes and soft robotic grasping devices. The stiffness and adhesion of compliant beams can be altered through the inclusion of structured stiff insets that alter the mechanical response and stress distribution at the adhered interface. Here, the adhesion behavior of compliant beams with embedded stiff insets below the surface are investigated. The length of inset and the spacing of the insets relative to the beam height are key parameters that control the adhesion behavior. The inclusion of a stiff inset increases the effective adhesion of the beam, but the maximum adhesion enhancement is only realized when the inset exceeds a critical inset length. The spacing between the insets plays a key role as well and inset spacings <∼1.5 times height of the beam result in interactions between insets that can be exploited to increase the effective adhesion. Overall, this work provides an understanding of how subsurface elastic heterogeneity affects delamination behavior of beams and provides guidance for the design of heterogeneous beams containing insets to realize controlled adhesion and bending rigidity.
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影响因子：
5.3
作者：
Aoyi Luo;K. Turner
通讯作者：
Aoyi Luo;K. Turner
影响因子：
9.5
作者：
Hwang, Doh-Gyu;Trent, Katie;Bartlett, Michael D.
通讯作者：
Bartlett, Michael D.
粘附悖论
影响因子：
2.2
作者：
K. Kendall
通讯作者：
K. Kendall
DOI：
10.1115/1.4052107
发表时间：
2021
期刊：
Journal of Applied Mechanics
影响因子：
--
作者：
Farid H. Benvidi;M. Bacca
通讯作者：
M. Bacca
影响因子：
5.3
作者：
Bahjepalli, Ram Gopal;Fischer, Sarah C. L.;Arzt, Eduard
通讯作者：
Arzt, Eduard