Crack resistance curves of GLARE laminates by elastic compliance |
| |
| Authors: | Enrique M. Castrodeza,Má rcia R.W. Schneider Abdala,Fernando L. Bastian |
| |
| Affiliation: | Laboratory of Fracture Mechanics, Department of Metallurgical and Materials Engineering, COPPE/Federal University of Rio de Janeiro, CP 68505, 21941-972, Rio de Janeiro, RJ, Brazil |
| |
| Abstract: | The objective of this work was to study the applicability of the elastic compliance technique for crack resistance curves evaluation of commercial GLARE laminates using small SE(B) and C(T) specimens. The experimental evaluation of R-curves of 25.0 mm wide SE(B) specimens of unidirectional GLARE 1 3/2 0.3 and 50.0 mm wide C(T) specimens of bidirectional GLARE 3 5/4 0.3 was performed. Fracture toughness was measured through a recently proposed experimental methodology based on standardized specimens and elastic-plastic methodologies (J-integral and CTOD δ5), whereas crack growth was measured optically and estimated by elastic compliance. According to the results the elastic compliance technique seemed to be applicable to GLARE laminates, accurately predicting stable crack growth during the tests. |
| |
| Keywords: | GLARE Fibre-metal laminates R-curves Elastic compliance |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
