期刊
COMPOSITE STRUCTURES
卷 172, 期 -, 页码 259-266出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2017.02.100
关键词
Fiber-metal laminate; Thermoplastic composite; Aluminum; Adhesion; Mechanical characterization
资金
- Consejo Nacional de Ciencia y Tecnologia. (CONACYT), Mexico [CB-2008-01-101680]
In this paper, the tensile properties of fiber-metal laminates (FMLs) made of a low-ductility aluminum alloy and aramid fabric/polypropylene matrix composite are evaluated. The tensile testing results show that the FMLs exhibit a more ductile behavior than that of their constituents, indicated by the increased strain to failure. The excellent adhesion between FML constituents, as confirmed by single lap joint shear test and optical microscopy, enabled a more globalized plastic deformation in the aluminum sheet of the FML leading to an increase of strain to failure, which offers an advantage in engineering structural applications where large deformations are present and strain to failure is more important than strength. The findings in this study are important from a design viewpoint of FMLs because the results show that FMLs properties, such as toughness and strain to failure, can potentially be tailored to absorb energy at different rates. (C) 2017 Elsevier Ltd. All rights reserved.
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