The Material That Keeps Replacing What Came Before It
Composite materials, structures made by combining two or more constituent materials whose combination produces properties superior to either component alone, have been commercially important in aerospace for over forty years. The carbon fibre reinforced polymer composites that constitute a growing proportion of airframe structure in commercial and military aircraft offer strength-to-weight ratios that aluminium and titanium cannot match, corrosion resistance that metal structures require expensive surface treatment to achieve, and the ability to be formed into complex aerodynamic shapes in a single manufacturing operation rather than the assembled multi-part structures that metal fabrication requires. The commercial case for composites in aerospace has been established beyond reasonable doubt by the Boeing 787 and Airbus A350 programmes, both of which use carbon fibre composites for over fifty percent of their structural weight. What is changing in 2026 is the breadth of the commercial applications where composites are replacing metals, the automation technologies that are making composites manufacturing economically competitive with metal fabrication at a wider range of production volumes, and the material science advances in thermoplastic composites that are removing the process limitations that have historically constrained composites from the high-volume manufacturing applications that thermoset composites could not address.
The commercial expansion of composites beyond aerospace into automotive, wind energy, construction, and industrial applications is the market development that is making composites manufacturing the material science story that aerospace's earlier success only previewed. Each of these application markets brings different requirements for manufacturing volume, cost point, and recycling end-of-life that aerospace composites manufacturing was not designed to address. Automotive composites need to be produced at volumes of hundreds of thousands of parts per year at the per-part cost that vehicle manufacturing economics permit. Wind turbine blade composites need to be manufactured at lengths exceeding one hundred metres in some next-generation designs. Construction composites need to be produced and installed by contractors whose manufacturing expertise is in concrete and steel rather than carbon fibre. The material science and process engineering advances that are making composites commercially viable in these non-aerospace markets are the commercial story that the composites manufacturing industry is in the middle of telling.
Thermoplastic Composites and the Manufacturing Revolution
Thermoset composites, which include the carbon fibre reinforced epoxy systems that dominate aerospace applications, are manufactured through a process that involves laying up carbon fibre in a mould, infusing or pre-impregnating with a liquid resin, and curing under heat and pressure for hours to a day. The cured part has excellent structural properties but the process is slow, labour-intensive, and produces a part that cannot be reshaped after cure, creating significant scrap rates during manufacturing and an end-of-life recycling challenge that the aerospace industry has not fully resolved. Thermoplastic composites replace the thermoset resin with a thermoplastic polymer matrix that can be melted and reformed, enabling manufacturing processes that are fundamentally faster, more amenable to automation, and more compatible with the recycling requirements that sustainability-focused end markets are imposing.
The thermoplastic composite manufacturing processes being developed for high-volume automotive and industrial applications include in-situ consolidation using laser or induction heating that melts and consolidates thermoplastic composite tape as it is placed by automated fibre placement equipment, and compression moulding of thermoplastic composite blanks that produces parts in cycle times measured in minutes rather than hours. These processes are enabling the economic production of composite components at the volumes that automotive applications require, which was commercially impossible with thermoset composite manufacturing whose cycle time economics were fundamentally incompatible with vehicle production programmes measured in hundreds of thousands of units annually. The automotive composite manufacturers that have invested in thermoplastic composite process development are beginning to deploy this capability in structural automotive applications where the weight reduction and part integration advantages of composites justify the material cost premium over steel and aluminium.
Automated Manufacturing and the Labour Cost Solution
The labour intensity of composite manufacturing has been the commercial constraint that has limited composites adoption in price-sensitive markets most consistently. Automated fibre placement and automated tape laying machines that deposit carbon fibre at high speed under computer control, eliminating the manual layup labour that thermoset composite manufacturing requires, have been commercially available for aerospace applications for over two decades. The capital cost of AFP and ATL equipment has historically limited their economic justification to large aerospace parts produced at relatively low volumes where the accuracy and consistency advantages over manual layup justify the machine investment. The development of lower-cost AFP equipment, faster deposition rates, and the software controls that allow AFP machines to produce more complex geometries than earlier systems could address is expanding the commercial application range of automated composite manufacturing to part sizes and production volumes that the earlier generation of AFP equipment could not cost-effectively serve.
Top 10 Companies in Composites Manufacturing Globally
- Hexcel: Leading carbon fibre and composite materials company whose products go into Boeing, Airbus, and defence programmes; its thermoplastic composite development and its HexPly prepreg materials are the commercial products most directly positioned for the thermoplastic composite manufacturing expansion in aerospace and automotive.
- Toray Industries: World's largest carbon fibre producer whose T and M series fibres are specified in most major commercial aircraft composite structures; its acquisition of TenCate Advanced Composites brought thermoplastic composite manufacturing capability that positions it for the automotive and industrial composite markets that carbon fibre aerospace alone cannot address.
- SGL Carbon: German carbon fibre and composites company with deep BMW partnership for automotive carbon composites; its carbon fibre production for the BMW i series demonstrates high-volume automotive carbon composite manufacturing at the scale and cost point that the automotive composites market requires to grow beyond premium vehicle applications.
- Teijin: Japanese composites and carbon fibre company whose Tenax carbon fibre and thermoplastic composite systems are positioned for automotive structural applications; its technology partnership with General Motors for carbon composite body panels demonstrates the OEM relationship that automotive composites commercialisation requires.
- Torres (M. Torres): Spanish manufacturer of automated fibre placement and tape laying equipment for aerospace composite manufacturing; its TORRESTOOL and TORRESLAYUP machines are the AFP and ATL equipment most widely deployed in commercial aircraft composite structure manufacturing.
- Electroimpact: US manufacturer of automated composite manufacturing equipment including AFP machines for Boeing and Airbus programmes; its development of thermoplastic AFP capability positions it for the next generation of aerospace composite manufacturing that thermoplastic matrix systems enable.
- LM Wind Power (GE Vernova): World's largest wind turbine blade manufacturer whose composite blade production at unprecedented lengths is the highest-volume large composite structure manufacturing anywhere; its blade manufacturing process development represents the state of the art in large-format composite production at the volume that wind energy deployment requires.
- Solvay Composite Materials: Belgian specialty chemicals and composites company whose Cycom and MTM prepreg systems are qualified in major aerospace programmes; its thermoplastic composite and out-of-autoclave processing development is the commercial R&D investment whose results will determine its positioning in the next generation of aerospace and industrial composites.
- Cevotec: German startup developing fibre patch placement technology for complex composite geometry manufacturing; its SAMBA system places individually cut fibre patches rather than continuous tape, enabling the automated production of complex composite geometries that AFP cannot address and manual layup addresses at prohibitive cost.
- Owens Corning: Global composites materials company whose glass fibre reinforcements are the most widely used composite reinforcement by volume across wind energy, construction, and automotive applications; its Advantex glass fibre and Stitchmat multiaxial fabrics are the cost-competitive composite reinforcement materials that thermoplastic composite manufacturing for automotive and industrial applications is being built around.