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Influence of Material System, Lay-Up and Thickness on the Energy Absorption Capability of Composite Laminates

[+] Author Affiliations
Stefano Mian, Marino Quaresimin

University of Padova, Vicenza, Italy

Stefano Magistrali

Omega Srl, Tortona, Italy

Paper No. ESDA2006-95787, pp. 801-809; 9 pages
doi:10.1115/ESDA2006-95787
From:
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 3: Dynamic Systems and Controls, Symposium on Design and Analysis of Advanced Structures, and Tribology
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4250-9 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME

abstract

The paper presents the results of an experimental campaign devoted to investigate energy absorption during impact and its dependence on some relevant design parameters, such as material system, laminate thickness and laminate lay-up. Three different material systems were investigated, carbon/epoxy, kevlar/epoxy and glass/epoxy, and four stacking sequences [0]8 , [0/45]2s , [0]12 and [0/45]3s . A total of 11 different configurations were considered, including a hybrid glass-carbon-kevlar/epoxy laminate. Low velocity impact tests were carried out on flat samples at several energy levels from barely visible damage up to penetration, according to ASTM 5628 standard. The penetration energy is pointed out as a key-parameter in determining the absorption capability of a laminate.

Copyright © 2006 by ASME

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