Analysis of the Behaviour of CFRP Specimens Under BVID Conditions

Kolachina, Akhil (2021) Analysis of the Behaviour of CFRP Specimens Under BVID Conditions. [Laurea magistrale], Università di Bologna, Corso di Studio in Aerospace engineering / ingegneria aerospaziale [LM-DM270] - Forli', Documento full-text non disponibile
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Composites are the most widely used materials in the aero industry. Among the composite materials CFRP (Carbo Fiber Reinforced Polymer) usage is observed in a large percentage in comparison with other materials due to its strength, stiffness, weight ratios, etc., advantage. With the growth in usage of CFRP the complexity in assessing the fracture behaviour in the composite laminates also increased. So, it is important to study its properties under different conditions. In this study, we analyse the residual mechanical strength of composite material under hygroscopic aging, carbon/epoxy prone to small damage caused by impacts at low energies (BVID - Barely Visible Impact Damages). Low Velocity Impact (LVI) behaviour is much more concentrated along with the loading positions. Centre and near edge loading conditions are considered, analysing the properties of composite material changes in these different conditions. For the composite laminates, the fiber orientation of 0°, +45°, -45°, +90° is the main point of focus.

Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Kolachina, Akhil
Relatore della tesi
Corso di studio
Ordinamento Cds
Parole chiave
Carbon Fiber Reinforced Polymer, CFRP, composite material, Low Velocity Impact, LVI, Barely Visible Impact Damage, BVID, hydroscopic aging, impact loads
Data di discussione della Tesi
11 Febbraio 2021

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