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Composite materials are engineered combinations of two or more distinct materials, merging their individual properties to create a new material with enhanced characteristics. Typically composed of a reinforcing phase (like fibers or particles) embedded within a matrix (often a polymer, metal, or ceramic), composites leverage the strengths of each component to achieve superior strength, stiffness, lightness, or other desirable attributes. Their versatility extends across industries, from aerospace and automotive to construction and sports equipment, where their tailored design and exceptional properties offer solutions for high-performance applications.
Recycling in composites manufacturing is an evolving endeavor aimed at addressing sustainability challenges. Unlike traditional materials, composites often pose recycling complexities due to their multi-component nature. However, innovative techniques are emerging to tackle this issue. Methods like pyrolysis, mechanical recycling, and chemical processes are being developed to efficiently recover valuable components from composite waste, such as fibers or matrix materials.
Aiming to increase the cost-weight viability of carbon fiber-reinforced composite structural components in railway vehicles, a prototype rail bogie prominently features recycled carbon fiber.
The U.K.’s NCC with partners B&M Longworth and Cygnet Texkimp achieve continuous carbon fiber recovery in a significant first step to deliver sustainable composite pressure vessels for the hydrogen market.
Multi-year R&D at ThermoPlastic composites Applications Center (TPAC), TenCate and Clean Sky 2 demonstrate economic advantage of serial production using recycled materials.
Digitized mechanical and environmental performance of recycled short glass fiber-reinforced PP compounds supports the transition to more sustainable vehicles.
CW senior technical editor Ginger Gardiner addresses some of this year’s hot topics, ranging from novel biocomposites and recycling technology solutions from myriad startups to upgraded, but equally sustainable, equipment from well-established companies.
Led by global and industry-wide sustainability goals, commercial interest in flax and hemp fiber-reinforced composites grows into higher-performance, higher-volume applications.
For decades, carbon fiber has failed to break through into mainstream automotive applications as the composites industry has hoped it would. Alternative composite applications suggest future opportunities still remain bright.
Cygnet Texkimp’s Multi Roll Stack and composite recycling technology catalyze ASCEND program’s mission to optimize aerospace, automotive hydrogen storage and CFRP sustainability.
Longworth’s DEECOM process for composites recycling claims to produce intact fiber and resin reclamation with near-virgin properties.
Accepting carbon fiber waste materials now, Carbon Fiber Recycling will recycle 2,000 tons of carbon fiber waste per year at its Tennessee facility.
