Composite fiber-reinforced plastic materials have been increasingly used in structural applications for the aerospace industry. The aim of ensuring high performance is based on deep knowledge of the mechanical response of the composite components under different workloads. Components are exposed to severe environmental conditions characteristic of flight settings, such as elevated temperatures close to engines and/or cold temperatures. The typical assembly of composites consists of multiple layers stacked together in a specified sequence. Layers may be arranged in different orientations and different sequences and with different technological procedures to supply precise mechanical properties that need to be studied. The introduction of new specific characteristics able to improve the mechanical properties of composites is also investigated. It refers to an unconventional fibers' disposition combined with through-the-thickness stitching on the in-plane mechanical properties of composites. The arrangement of conventional carbon fibers is commonly referred to a Cartesian coordinate system. Fibers are positioned in bundles along different angle orientations with respect to the zero lamina. The use of a polar coordinate system of continuous carbon tow is introduced to create specimens as well as complex geometry components in a simplified manner. This approach aims to introduce several benefits in the material's manufacturing strategy. Compared with the conventional process, it seems to be promising because it reduces delamination phenomena.

Mechanical characterization of carbon fiber-reinforced plastic specimens for aerospace applications / Barile, C.; Casavola, C.. - ELETTRONICO. - (2018), pp. 387-407. [10.1016/B978-0-08-102292-4.00019-9]

Mechanical characterization of carbon fiber-reinforced plastic specimens for aerospace applications

C. Barile;C. Casavola
2018-01-01

Abstract

Composite fiber-reinforced plastic materials have been increasingly used in structural applications for the aerospace industry. The aim of ensuring high performance is based on deep knowledge of the mechanical response of the composite components under different workloads. Components are exposed to severe environmental conditions characteristic of flight settings, such as elevated temperatures close to engines and/or cold temperatures. The typical assembly of composites consists of multiple layers stacked together in a specified sequence. Layers may be arranged in different orientations and different sequences and with different technological procedures to supply precise mechanical properties that need to be studied. The introduction of new specific characteristics able to improve the mechanical properties of composites is also investigated. It refers to an unconventional fibers' disposition combined with through-the-thickness stitching on the in-plane mechanical properties of composites. The arrangement of conventional carbon fibers is commonly referred to a Cartesian coordinate system. Fibers are positioned in bundles along different angle orientations with respect to the zero lamina. The use of a polar coordinate system of continuous carbon tow is introduced to create specimens as well as complex geometry components in a simplified manner. This approach aims to introduce several benefits in the material's manufacturing strategy. Compared with the conventional process, it seems to be promising because it reduces delamination phenomena.
2018
Mechanical and Physical Testing of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites
978-0-08-102292-4
Woodhead Publishing
Mechanical characterization of carbon fiber-reinforced plastic specimens for aerospace applications / Barile, C.; Casavola, C.. - ELETTRONICO. - (2018), pp. 387-407. [10.1016/B978-0-08-102292-4.00019-9]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/149600
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