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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.
On Jan. 9, the US Department of Energy (DoE) announced that it will add US$70 million to the US$189 million already committed to the University of Tennessee’s Institute for Advanced Composites Manufacturing Innovation (IACMI) for composites R&D. CW's editor-in-chief Jeff Sloan asks, "What will come of this investment?"
The Society’s annual fall gathering fills an exhibition hall this year nearly as big as the host state.
The JEC Europe 2013 trade show (March 12-14, at the Paris Expo, Porte de Versailles, Paris, France) was the venue for introductions of a large number of new composite materials, technologies and manufacturing processes. Here's the CT editorial staff's compilation of what was on display.
The Bio-Lite Technical Center of Excellence at the National Composites Center (Dayton, Ohio) is developing sheet molding compound (SMC) recipes capable of yielding finished parts with specific gravity as low as 1.2.
Since the first introductions of low- and no-styrene resins, the emphasis has shifted from mere compliance to comparable — or better — performance.
Core materials available for composite sandwich structures range from paper, aluminum and thermoplastic honeycomb cores to foams and more.
New products and practices advance the efficiency and economy of advanced composite part production.
Modular construction concept takes composite housing another step forward, offering a wide range of comparably priced housing solutions to builders of all types.
Shower pans molder Just Trays Ltd. (Leeds, West Yorkshire) invests $1.6 million (USD) to improve its manufacturing processes, including the purchase of two of Model T5 Low Headroom Bulk Bag Dischargers from Spiroflow Ltd. (Clitheroe, Lancashire, U.K. and Monroe, N.C.).
There are numerous methods for fabricating composite components. Selection of a method for a particular part, therefore, will depend on the materials, the part design and end-use or application. Here's a guide to selection.
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