Measuring mode I fracture properties of thick-layered structural silicone sealants. (LAJ19.G)

[en] The failure hyperelastic structural sealant joints is a fracture mechanics problem. Its modeling requires knowledge of the material property fracture toughness. The present work describes a methodology for determining the mode I bulk material fracture toughness of structural silicone sealants. The concept is demonstrated using DOWSIL™ 993 as an example. In total we manufactured, tested and evaluated 13 DCB specimens of 6mm and 12mm adhesive thickness. The fracture toughness is identified from J-integral measurements. The theory for determining the J-integral at finite deformations is laid out and an automated data analysis procedure is suggested. The presented approach further allows...

Disciplines :

Civil engineering

Author, co-author :

Rosendahl, P. L.

Staudt, Y.

ODENBREIT, Christoph ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit

SCHNEIDER, Jochen ; University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB)

BECKER, Werner ; University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE)

External co-authors :

yes

Language :

English

Title :

Measuring mode I fracture properties of thick-layered structural silicone sealants. (LAJ19.G)

Publication date :

June 2019

Journal title :

International Journal of Adhesion and Adhesives

ISSN :

0143-7496

Publisher :

Elsevier

Volume :

Pages :

64--71

Peer reviewed :

Peer Reviewed verified by ORBi

Focus Area :

Physics and Materials Science

Additional URL :

https://doi.org/10.1016/j.ijadhadh.2019.02.012

Data Set :

10.1016/j.ijadhadh.2019.02.012

Available on ORBilu :

since 13 April 2021

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Bibliography

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