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Non-Crimp Fabrics (NCF): Construction and Composite Material Application

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In the world of composite reinforcement broadgoods, unidirectional and woven fabrics tend to receive the most attention.  However, non-crimp fabrics (or NCFs) are quietly being utilized in a wide variety of applications, from swimming pools and wind turbine blades to automotive chassis and commercial aircraft wings.  It is the structure and versatility of these fabrics ... Read more

Effect of cure on fracture properties of a composite: Part 3

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The motivation to achieve a ‘proper cure’ seems obvious/intuitive but what really happens if we don’t cure a thermoset composite properly? How does the degree of cure affect the fracture properties of the material? How does the degree of cure affect the material’s ability to stand up to ‘hot’ conditions and/or ‘wet’ conditions? In the ... Read more

Aging and Reliability of Composites

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Fiber-reinforced polymers and polymer-based materials are increasingly used in demanding applications due to their favorable strength-to-weight ratio, corrosion resistance, and design flexibility. However, their long-term performance is strongly influenced by aging processes that occur during service. Exposure to environmental and mechanical stressors can progressively alter material structure and properties, ultimately affecting reliability, durability, and safety. ... Read more