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The adhesive fracture energy or fracture toughness of adhesively-bonded joints comprising carbon-fiber-reinforced polymer composite substrates and three different types of adhesives was detemined using a modified single-lap joint (MSLJ). This joint was made by implanting end pre-cracks in the adhesive layer at the center of the bondline of a conventional single-lap joint (SLJ). This modification ensured that the crack propagated from a sharp starter crack from both ends of the overlap during testing, reducing the effect of spew fillets on the measured adhesive fracture toughness scatter band. The MSLJ specimens were tested to failure and the adhesive fracture energy was calculated using the Kinloch-Osiyemi model. The values of the adhesive fracture energy obtained from the MSLJ tests were compared with those from SLJ and the double-cantilever beam (DCB) test geometries. The fracture energy values obtained from the MSLJ specimens were significantly lower than those from SLJ specimens and agreed well with those from DCB specimens. The three differenent types of aerospace grade film adhesives tested were Redux 322, Redux 335K and Redux 319A.

Titel:	Mode-I adhesive fracture energy measurement with modified single-lap joint test geometry
Autor/in / Beteiligte Person:	KUMAR, S. B ; SRIDHAR, I ; SIVASHANKER, S ; OSIYEMI, S. O
Link:	Volltext (PDF) View record from PASCAL Archive
Zeitschrift:	Journal of adhesion science and technology, Jg. 20 (2006), Heft 10, S. 1109-1124
Veröffentlichung:	Leiden: Brill, 2006
Medientyp:	academicJournal
Umfang:	print, 30 ref
ISSN:	0169-4243 (print)
Schlagwort:	Polymers, paint and wood industries Polymères, industries des peintures et bois Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Industrie des polymeres, peintures, bois Polymer industry, paints, wood Technologie des polymères Technology of polymers Formes d'application et semiproduits Forms of application and semi-finished materials Stratifiés Laminates Domaines d'application Application fields Adhésif Adhesive Adhesivo Assemblage collé Adhesive joint Ensambladura pegada Collage Adhesive bonding Enlace adhesivo Epoxyde résine Epoxy resin Epóxido resina Etude expérimentale Experimental study Estudio experimental Fibre carbone Carbon fiber Fibra carbón Fibre minérale Mineral fiber Fibra inorgánica Joint recouvrement Lap joint Junta recubierta Matériau composite Composite material Material compuesto Matériau fibre unidirectionnelle Unidirectional fiber material Material fibra unidireccional Matériau renforcé fibre Fiber reinforced material Material reforzado fibra Mode rupture Fracture mode Modo ruptura Modélisation Modeling Modelización Mécanique rupture Fracture mechanics Mecánica ruptura Propriété mécanique Mechanical properties Propiedad mecánica Relation mise en oeuvre propriété Property processing relationship Relación puesta en marcha propiedad Stratifié Laminate Estratificado Thermodurcissable Thermosetting resin Termoestable Ténacité Fracture toughness Tenacidad MSLJ adhesive fracture energy bonded composite joints fracture mechanics
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: School of Mechanical & Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore ; 136 LittleField Road, Edware Middle Essex, London NA 8 OTF, United Kingdom Rights: Copyright 2007 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Polymer industry, paints, wood

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Mode-I adhesive fracture energy measurement with modified single-lap joint test geometry