Transient adhesion in a non-fully detached contact

Abstract Continuous approaching and detaching displacement usually occurs in an adhesion test. Here, we found a transient adhesion force at the end of a non-fully detached contact. This force occurred when the nominal detaching displacement was less than the traditional quasi-static theory predicted...

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Autores principales:	Zheyu Liu, Hongyu Lu, Yelong Zheng, Dashuai Tao, Yonggang Meng, Yu Tian
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/061838574027444cb604670633fa4e39
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spelling	oai:doaj.org-article:061838574027444cb604670633fa4e392021-12-02T15:08:25ZTransient adhesion in a non-fully detached contact10.1038/s41598-018-24587-62045-2322https://doaj.org/article/061838574027444cb604670633fa4e392018-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-24587-6https://doaj.org/toc/2045-2322Abstract Continuous approaching and detaching displacement usually occurs in an adhesion test. Here, we found a transient adhesion force at the end of a non-fully detached contact. This force occurred when the nominal detaching displacement was less than the traditional quasi-static theory predicted zero force point. The transient adhesion force was ascribed to interfacial adhesion hysteresis, which was caused by the cracking process of the contact and the deformation competition between the sphere and supporting spring. Results indicated that the testing of adhesion can be significantly affected by different combinations of stiffnesses of the contact objects and the supporting spring cantilever. This combination should be carefully designed in an adhesion test. All these results enabled increased understanding of the nature of adhesion and can guide the design of adhesive actuators.Zheyu LiuHongyu LuYelong ZhengDashuai TaoYonggang MengYu TianNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zheyu Liu Hongyu Lu Yelong Zheng Dashuai Tao Yonggang Meng Yu Tian Transient adhesion in a non-fully detached contact
description	Abstract Continuous approaching and detaching displacement usually occurs in an adhesion test. Here, we found a transient adhesion force at the end of a non-fully detached contact. This force occurred when the nominal detaching displacement was less than the traditional quasi-static theory predicted zero force point. The transient adhesion force was ascribed to interfacial adhesion hysteresis, which was caused by the cracking process of the contact and the deformation competition between the sphere and supporting spring. Results indicated that the testing of adhesion can be significantly affected by different combinations of stiffnesses of the contact objects and the supporting spring cantilever. This combination should be carefully designed in an adhesion test. All these results enabled increased understanding of the nature of adhesion and can guide the design of adhesive actuators.
format	article
author	Zheyu Liu Hongyu Lu Yelong Zheng Dashuai Tao Yonggang Meng Yu Tian
author_facet	Zheyu Liu Hongyu Lu Yelong Zheng Dashuai Tao Yonggang Meng Yu Tian
author_sort	Zheyu Liu
title	Transient adhesion in a non-fully detached contact
title_short	Transient adhesion in a non-fully detached contact
title_full	Transient adhesion in a non-fully detached contact
title_fullStr	Transient adhesion in a non-fully detached contact
title_full_unstemmed	Transient adhesion in a non-fully detached contact
title_sort	transient adhesion in a non-fully detached contact
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/061838574027444cb604670633fa4e39
work_keys_str_mv	AT zheyuliu transientadhesioninanonfullydetachedcontact AT hongyulu transientadhesioninanonfullydetachedcontact AT yelongzheng transientadhesioninanonfullydetachedcontact AT dashuaitao transientadhesioninanonfullydetachedcontact AT yonggangmeng transientadhesioninanonfullydetachedcontact AT yutian transientadhesioninanonfullydetachedcontact
_version_	1718388103530414080

Transient adhesion in a non-fully detached contact

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