滑动接触中的粘弹性粘附与摩擦

Q4 Physics and Astronomy

Defect and Diffusion Forum Pub Date : 2023-08-22 DOI:10.4028/p-840lJl

G. Carbone, N. Menga

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引用次数: 0

摘要

我们介绍了我们最近对粘弹性材料在刚性基底上滑动的粘性接触的研究。最终，该理论解决了滑动接触中粘弹性和粘附的综合效应，特别关注滑动摩擦行为。与无粘性的情况相比，我们表明，在存在粘性的情况下，滞回摩擦显著增强，这与长期的实验证据一致。所提出的公式允许研究从极慢到极高的滑动速度的影响，从而考虑到发生在接触（裂纹尖端）边缘的局部粘弹性和发生在大块可变形材料中的大块粘弹性。

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Viscoelastic Adhesion and Friction in Sliding Contacts

We present our recent study on adhesive contacts of viscoelastic materials sliding against rigid substrates. Ultimately, the theory addresses the combined effect of viscoelasticity and adhesion in sliding contacts, with specific focus on the sliding frictional behavior. Compared to the adhesiveless case, we show that a significant enhancement of hysteretic friction occurs in the presence of adhesion, in agreement with long-standing experimental evidence. The presented formulation allows to investigate the effect of sliding velocities ranging from extremely slow to very high, thus taking into for local viscoelasticity, occurring at the edges of the contacts (crack tips), and bulk viscoelasticity, occurring in the bulk deformable material.

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来源期刊

Defect and Diffusion Forum Physics and Astronomy-Radiation

CiteScore

1.20

自引率

0.00%

发文量

127

期刊介绍： Defect and Diffusion Forum (formerly Part A of ''''Diffusion and Defect Data'''') is designed for publication of up-to-date scientific research and applied aspects in the area of formation and dissemination of defects in solid materials, including the phenomena of diffusion. In addition to the traditional topic of mass diffusion, the journal is open to papers from the area of heat transfer in solids, liquids and gases, materials and substances. All papers are peer-reviewed and edited. Members of Editorial Boards and Associate Editors are invited to submit papers for publication in “Defect and Diffusion Forum” . Authors retain the right to publish an extended and significantly updated version in another periodical.