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HYBRID COMPOSITES BASED ON DISCONTINUOUS S-2 GLASS® AND CARBON FIBER REINFORCED

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Title: HYBRID COMPOSITES BASED ON DISCONTINUOUS S-2 GLASS® AND CARBON FIBER REINFORCED NYLON 6/6 

 

Abstract: Hybrid composites consisting of two or more fiber types dispersed within a common matrix provide the opportunity to tailor the properties of the system by varying the relative ratio of the fibers and achieve performance otherwise unattainable in a single fiber composite. S-2 Glass® is the state of the art high-performance glass fiber exhibiting a combination of high strength, modulus and elongation to failure. The fiber is best known in the aerospace industry for structures that need impact, ballistic, and/or fatigue resistance. Carbon fiber also exhibits high strength and modulus, but its low elongation to failure can lead to structures with poor damage tolerance often resulting in brittle, abrupt failure. While examples of hybrid composites based on continuous S-2 Glass and carbon fiber are known, we are not currently aware of hybrid systems based on a combination of the two fibers in discontinuous form. AGY has shown that Nylon 6/6 reinforced with chopped S-2 Glass fiber exhibits an Izod impact energy 86 % higher than Nylon 6/6 filled with conventional chopped E-Glass fiber. Nylon 6/6 reinforced with short carbon fiber exhibited a higher tensile modulus but reduced impact performance. This work will demonstrate that various combinations of discontinuous S-2 Glass and carbon fiber produce structures with good strength, stiffness, impact resistance that will give designers a simple, visible representation of the trade-offs in modulus, damage tolerance and strength that these hybrids provide.  

 

Authors: Craig Homrighausen, Scott Damron and Mike Palmer 

 

Conference: CAMX 2017 –Orlando

 

SKU/Code: TP17-0095

 

Pages: 15


 

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