Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials
Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact m...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Jizeng [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2010 |
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| Übergeordnetes Werk: |
Enthalten in: International journal of fracture - Springer Netherlands, 1973, 166(2010), 1-2 vom: 11. März, Seite 13-19 |
|---|---|
| Übergeordnetes Werk: |
volume:166 ; year:2010 ; number:1-2 ; day:11 ; month:03 ; pages:13-19 |
| Links: |
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| DOI / URN: |
10.1007/s10704-010-9463-z |
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OLC2036620434 |
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| 520 | |a Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. | ||
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10.1007/s10704-010-9463-z doi (DE-627)OLC2036620434 (DE-He213)s10704-010-9463-z-p DE-627 ger DE-627 rakwb eng 530 600 670 VZ Wang, Jizeng verfasserin aut Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. Adhesion and adhesives Biological material Contact mechanics Cell adhesion Fracture Gao, Huajian aut Enthalten in International journal of fracture Springer Netherlands, 1973 166(2010), 1-2 vom: 11. März, Seite 13-19 (DE-627)129399345 (DE-600)186249-2 (DE-576)014782154 0376-9429 nnns volume:166 year:2010 number:1-2 day:11 month:03 pages:13-19 https://doi.org/10.1007/s10704-010-9463-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_4700 AR 166 2010 1-2 11 03 13-19 |
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10.1007/s10704-010-9463-z doi (DE-627)OLC2036620434 (DE-He213)s10704-010-9463-z-p DE-627 ger DE-627 rakwb eng 530 600 670 VZ Wang, Jizeng verfasserin aut Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. Adhesion and adhesives Biological material Contact mechanics Cell adhesion Fracture Gao, Huajian aut Enthalten in International journal of fracture Springer Netherlands, 1973 166(2010), 1-2 vom: 11. März, Seite 13-19 (DE-627)129399345 (DE-600)186249-2 (DE-576)014782154 0376-9429 nnns volume:166 year:2010 number:1-2 day:11 month:03 pages:13-19 https://doi.org/10.1007/s10704-010-9463-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_4700 AR 166 2010 1-2 11 03 13-19 |
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10.1007/s10704-010-9463-z doi (DE-627)OLC2036620434 (DE-He213)s10704-010-9463-z-p DE-627 ger DE-627 rakwb eng 530 600 670 VZ Wang, Jizeng verfasserin aut Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. Adhesion and adhesives Biological material Contact mechanics Cell adhesion Fracture Gao, Huajian aut Enthalten in International journal of fracture Springer Netherlands, 1973 166(2010), 1-2 vom: 11. März, Seite 13-19 (DE-627)129399345 (DE-600)186249-2 (DE-576)014782154 0376-9429 nnns volume:166 year:2010 number:1-2 day:11 month:03 pages:13-19 https://doi.org/10.1007/s10704-010-9463-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_4700 AR 166 2010 1-2 11 03 13-19 |
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10.1007/s10704-010-9463-z doi (DE-627)OLC2036620434 (DE-He213)s10704-010-9463-z-p DE-627 ger DE-627 rakwb eng 530 600 670 VZ Wang, Jizeng verfasserin aut Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. Adhesion and adhesives Biological material Contact mechanics Cell adhesion Fracture Gao, Huajian aut Enthalten in International journal of fracture Springer Netherlands, 1973 166(2010), 1-2 vom: 11. März, Seite 13-19 (DE-627)129399345 (DE-600)186249-2 (DE-576)014782154 0376-9429 nnns volume:166 year:2010 number:1-2 day:11 month:03 pages:13-19 https://doi.org/10.1007/s10704-010-9463-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_4700 AR 166 2010 1-2 11 03 13-19 |
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10.1007/s10704-010-9463-z doi (DE-627)OLC2036620434 (DE-He213)s10704-010-9463-z-p DE-627 ger DE-627 rakwb eng 530 600 670 VZ Wang, Jizeng verfasserin aut Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. Adhesion and adhesives Biological material Contact mechanics Cell adhesion Fracture Gao, Huajian aut Enthalten in International journal of fracture Springer Netherlands, 1973 166(2010), 1-2 vom: 11. März, Seite 13-19 (DE-627)129399345 (DE-600)186249-2 (DE-576)014782154 0376-9429 nnns volume:166 year:2010 number:1-2 day:11 month:03 pages:13-19 https://doi.org/10.1007/s10704-010-9463-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_4700 AR 166 2010 1-2 11 03 13-19 |
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Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials |
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Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. © Springer Science+Business Media B.V. 2010 |
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Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. © Springer Science+Business Media B.V. 2010 |
| abstract_unstemmed |
Abstract This paper aims to study the size- and shape-dependent steady-state pull-off force in molecular adhesion between two soft elastic materials. The adhesion consists of a patch of non-covalent bonds formed between ligand and receptor molecules on opposing adhesion surfaces. Classical contact mechanics is used to model the deformation of elastic materials while Bell’s model is adopted to describe stochastic breaking/reforming of molecular bonds. A coupled elastic-stochastic model is established to show that there exists a critical adhesion size, which leads to a critical stress concentration index after proper normalization, beyond which stress concentration near the contact edge causes crack like failure of the adhesion patch governed by Griffith’s criterion and below which the pull-off traction is saturated at a constant strength governed by Bell’s model of molecular adhesion. In addition to size effect, optimal adhesion can also be achieved by designing the shape of the contact surfaces, although it is sensitive to small variations in shape at large adhesion size or stress concentration index. A robust, shape-insensitive high-strength adhesion state becomes possible when the adhesion size or the stress concentration index is sufficiently small. © Springer Science+Business Media B.V. 2010 |
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Size and shape dependent steady-state pull-off force in molecular adhesion between soft elastic materials |
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