The high velocity impact loading on symmetrical and woven hybrid composite laminates

Martin Jin; Mel Richardson; Zhong Yi Zhang

doi:10.1117/12.779393

13 November 2007 The high velocity impact loading on symmetrical and woven hybrid composite laminates

Martin Jin, Mel Richardson, Zhong Yi Zhang

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 642314 (2007) https://doi.org/10.1117/12.779393
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

Space structures use fibre composite materials, due to their lightweight. This paper examines the impact response of symmetrical and hybrid composite laminates. Special attention is given to the stacking sequences used. The experimental study of structures has always provided a major contribution to our understanding. Even with the formidable growth in the use and capacity of computing power the need for experimental measurement is as compelling as ever. The design of hybrid composite structures is complicated by the number of design variables and the interaction of the constituents is the composite system. Since it is desirable to experimentally test the design and it is not practical to test a full scale model, the structural/material similitude concept is used to create a small scale model with a similar structural response. In the current study, experimental investigations were carried out to determine the response of four different combinations of hybrid laminates to low-velocity impact loading using an instrumented impact testing machine. Hybrid laminates were fabricated with twill weave carbon fabric and plain weave S2-glass fabric using vacuum assisted resin molding process with SC-15 epoxy resin system. Response of carbon/epoxy and glass/epoxy laminates was also investigated to compare with that of hybrid samples. Square laminates of size 100 mm and nominal thickness of 3 mm were subjected to low-velocity impact loading at four energy levels of 10, 20, 30 and 40 J. Results of the study indicate that there is considerable improvement in the load carrying capability of hybrid composites as compared to carbon/epoxy laminates with slight reduction in stiffness.

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Martin Jin, Mel Richardson, and Zhong Yi Zhang "The high velocity impact loading on symmetrical and woven hybrid composite laminates", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 642314 (13 November 2007); https://doi.org/10.1117/12.779393

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KEYWORDS

Composites

Carbon

Explosives

Absorption

Glasses

Resistance

Structured optical fibers

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