Reference : Measuring mode I fracture properties of thick-layered structural silicone sealants
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Physics and Materials Science
Measuring mode I fracture properties of thick-layered structural silicone sealants
Rosendahl, P. L. [> >]
Staudt, Y. [> >]
Odenbreit, Christoph mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit]
Schneider, Jochen mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) >]
Becker, Werner [University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) >]
International Journal of Adhesion and Adhesives
[en] Structural glazing sealant ; Hyperelastic adhesive ; Fracture toughness
[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...
Researchers ; Professionals ; Students ; General public

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