Rosendahl, Philipp Laurens ; Staudt, Yves ; Schneider, Alexandra Patrizia ; Schneider, Jens ; Becker, Wilfried (2019)
Nonlinear elastic finite fracture mechanics: Modeling mixed-mode crack nucleation in structural glazing silicone sealants.
In: Materials & Design, 182
doi: 10.1016/j.matdes.2019.108057
Artikel, Bibliographie
Dies ist die neueste Version dieses Eintrags.
Kurzbeschreibung (Abstract)
Requiring both stress and energy conditions to be met simultaneously proved key to modeling brittle crackformation at singular and nonsingular stress concentrations in linear elastic materials. The present workextends this so-called coupled stress and energy criterion to brittle crack nucleation in hyperelastic mediausing the example of silicone adhesives. For this purpose, we provide a comprehensive constitutive as wellas fracture mechanical characterization of the structural silicone adhesive DOWSIL™ 993 using a large setof experiments and propose a mixed-mode failure model for crack initiation in nonlinear elastic materials.Characterized in independent experiments, the model is used to determine critical loads of hyperelasticadhesive bonds in both shear and tension dominated configurations. For any of the examined adhesive jointconfigurations the model predicts and explains size effects and agrees well with experimental findings. Westudy stable and unstable crack propagation observed in video recordings of our experiments. It is shownthat crack initiation, crack growth and crack arrest are caused by nonmonotonic energy release rates andcan be predicted. Effects of excess energy available after crack nucleation and initial unstable crack growthare discussed.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2019 |
| Autor(en): | Rosendahl, Philipp Laurens ; Staudt, Yves ; Schneider, Alexandra Patrizia ; Schneider, Jens ; Becker, Wilfried |
| Art des Eintrags: | Bibliographie |
| Titel: | Nonlinear elastic finite fracture mechanics: Modeling mixed-mode crack nucleation in structural glazing silicone sealants |
| Sprache: | Englisch |
| Publikationsjahr: | 2019 |
| Verlag: | Elsevier |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Materials & Design |
| Jahrgang/Volume einer Zeitschrift: | 182 |
| DOI: | 10.1016/j.matdes.2019.108057 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | Requiring both stress and energy conditions to be met simultaneously proved key to modeling brittle crackformation at singular and nonsingular stress concentrations in linear elastic materials. The present workextends this so-called coupled stress and energy criterion to brittle crack nucleation in hyperelastic mediausing the example of silicone adhesives. For this purpose, we provide a comprehensive constitutive as wellas fracture mechanical characterization of the structural silicone adhesive DOWSIL™ 993 using a large setof experiments and propose a mixed-mode failure model for crack initiation in nonlinear elastic materials.Characterized in independent experiments, the model is used to determine critical loads of hyperelasticadhesive bonds in both shear and tension dominated configurations. For any of the examined adhesive jointconfigurations the model predicts and explains size effects and agrees well with experimental findings. Westudy stable and unstable crack propagation observed in video recordings of our experiments. It is shownthat crack initiation, crack growth and crack arrest are caused by nonmonotonic energy release rates andcan be predicted. Effects of excess energy available after crack nucleation and initial unstable crack growthare discussed. |
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik |
| Fachbereich(e)/-gebiet(e): | 13 Fachbereich Bau- und Umweltingenieurwissenschaften 13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Statik und Konstruktion 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Fachgebiet für Strukturmechanik (FSM) |
| Hinterlegungsdatum: | 02 Aug 2024 12:34 |
| Letzte Änderung: | 02 Aug 2024 12:34 |
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| Suche nach Titel in: | TUfind oder in Google |
Verfügbare Versionen dieses Eintrags
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Nonlinear elastic finite fracture mechanics: Modeling mixed-mode crack nucleation in structural glazing silicone sealants. (deposited 17 Nov 2019 20:55)
- Nonlinear elastic finite fracture mechanics: Modeling mixed-mode crack nucleation in structural glazing silicone sealants. (deposited 02 Aug 2024 12:34) [Gegenwärtig angezeigt]
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