Experimental techniques for fracture instability toughness determination of unidirectional fibre metal laminates

ABSTRACT The aim of this work is to propose procedures for the measurement of the fracture toughness of fibre metal laminates (FMLs) reinforced with unidirectional fibres of aramid or glass. Experimental techniques for fracture toughness evaluation by using Compact (C(T)) and Single‐Edge Bend (SE(B)...

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Bibliographic Details
Published in:Fatigue & fracture of engineering materials & structures 2002-11, Vol.25 (11), p.999-1008
Main Authors: CASTRODEZA, E. M., IPIÑA, J. E. PEREZ, BASTIAN, F. L.
Format: Article
Language:English
Subjects:
Applied sciences
ARALL
composites
Exact sciences and technology
fibre metal laminates
Fractures
GLARE
instability fracture toughness
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
test methods
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Summary:ABSTRACT The aim of this work is to propose procedures for the measurement of the fracture toughness of fibre metal laminates (FMLs) reinforced with unidirectional fibres of aramid or glass. Experimental techniques for fracture toughness evaluation by using Compact (C(T)) and Single‐Edge Bend (SE(B)) specimens obeying ASTM standards are introduced. Procedures from the standard for thick metallic materials were modified in order to overcome problems, which can arise when testing FMLs – that is, specimen buckling, indentations and crack growth in planes other than the plane of the fatigue pre‐crack or notch. The methodology proposed was experimentally tested leading to satisfactory results.
ISSN:8756-758X
1460-2695
DOI:10.1046/j.1460-2695.2002.00552.x