Core Materials for Composites

Composite core materials serve as the central structural component in composite structures, providing stability, strength, and support while often contributing to the overall lightweight nature of the final product. These cores, typically made of materials like foam, honeycomb structures, or balsa wood, are sandwiched between layers of composite skins to form a composite panel. Their inherent properties—such as high strength-to-weight ratios, excellent insulation, and impact resistance—make them integral in various industries, including marine, aerospace, and construction, where weight reduction and structural integrity are paramount. The choice of core material plays a crucial role in determining the performance and characteristics of the composite structure.

Robotic laminography reveals microscopic impact damage in CFRP sandwich panels
Carbon Fibers

Robotic laminography reveals microscopic impact damage in CFRP sandwich panels

Unlike solutions constrained by flat, planar scanning motions and small component sizes, Omni NDE’s NDT methodology is free from movement restrictions, enabling the inspection of larger, more dynamic parts.

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Industrial CNC Routers
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Latest Core Articles

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Core

Non-Syntactic Foam Core is Certified for Underwater Technology Systems

CAMX 2026: Gurit highlights its Corecell S structural foam, which supports subsea buoyancy, ROV and diving bell components with high hydrostatic crush strength across multiple resin systems.

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Medical

Toray Develops Radiolucent CFRP Part That Enhances Diagnostic Precision, Lowers X-Ray Radiation Doses

Sandwich structure reduces X-ray radiation doses by 8% while improving diagnostic image quality for mammography and X-ray equipment.

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Core

TMI Offers Machined Net-Shape Rohacell Foam Core Services

Technology Marketing Inc. expands its composites offerings with high-precision five-axis CNC machining of Rohacell structural foam core, delivering certified, complex net-shape parts.

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Core

ArianeGroup Secures Long-Term Supply of CFRP Payload Fairings From Beyond Gravity

Twenty-seven fairings will be sourced for Ariane 6 flight models as the program ramps up to nine to ten missions/year.

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CAMX

TPC Tapes, Laminates and Panels Achieve Weight Reduction With Design Flexibility

CAMX 2026: Metyx showcases its expanding thermoplastic composite portfolio, spanning continuous fiber tapes, cross-ply laminates and sandwich panels for transportation, aerospace and industrial applications.

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Core

CNC-Cut Foam Core Kits Reduce Resin Use, Improve Mold Fit

CAMX 2026: Diab's Advanced Kits use proprietary CNC cutting and custom software to match local mold curvature and cut resin consumption.

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Hydraulic & Pneumatic Presses
Turn-Key Pultrusion Systems
DJ Engineering on Thermwood LSAM
Airtech
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Latest Core News And Updates

Infusion

Infusible core materials offer supply chain flexibility for closed mold composite processing

CAMX 2026: Imsent Composites Inc. presents a line of fiber-reinforced infusible core materials designed as alternatives to commonly used flow and core mat systems for vacuum infusion and closed-mold applications.

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Mel Composites Supports ELA Aviation’s Next-Gen Gyroplanes

The Spanish supplier continues to strengthen its position serving the AAM market with the delivery of foam core, woven fabrics, multiaxial reinforcements and vacuum consumables for ELA Aviation production models.

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Core

Moore Brothers Co. joins 40OF yacht racing team as North American build partner

The Rhode Island company joins a growing international development team, bringing its composites background to advance the full-foiling offshore race yacht project.

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Glass Fibers

Fiberglass-reinforced foam panels offer plywood alternative across marine, structural applications

CAMX 2026: Coosa Composites' closed-cell polyurethane foam panels, reinforced with woven-roving and continuous-strand fiberglass, are designed for use in markets where rot resistance and weight savings are priorities.

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Epoxies

Tricel Group acquires Matrix Composite Materials

The acquisition expands Bristol, U.K.-based Tricel Group’s advanced composites distribution. 

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Aerospace

Zotefoams appoints Wulfmeyer as first Approved Fabricator for aerospace program

As part of the Global Partner Program, the German aviation specialist will support European customers with expertise in high-precision aircraft foam components.

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Out of Autoclave

Using pi joints to expand a composite wing’s flight envelope

DarkAero replaced butt joints in the center wing box assembly to increase the flight test envelope in high-speed gust load conditions for its DarkAero 1 prototype composite aircraft.

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Core

Post Cure: Composite seaglider craft redefine coastal transportation operations

The Viceroy all-electric flagship seaglider being developed by REGENT Craft in Rhode Island operates exclusively over water.  

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Carbon Fibers

Cutting 100 pounds, certification time for the X-59 nose cone

Swift Engineering used HyperX software to remove 100 pounds from 38-foot graphite/epoxy cored nose cone for X-59 supersonic aircraft.

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Wind/Energy

Revolutionizing space composites: A new era of satellite materials

A new approach for high volumes of small satellite structures uses low-CTE, low-cost CFRP cellular core, robust single-ply skins and modular panel systems to cut lead time, labor and cost for reflectors, solar arrays and more.

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Glass Fibers

Hybrid composite architecture enables rigid wind propulsion solution for maritime decarbonization

GT Wings’ AirWing leverages aerospace engineering principles combined with hybrid glass and carbon fiber composite construction to deliver up to 30% fuel savings through compact, deck-compatible wind propulsion.

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Glass Fibers

Infused sandwich window frame components help double-decker buses meet weight targets

Prototype GFRP parts were evaluated by Spanish bus manufacturer Carrocerías Ayats as an initial move toward lighter, more efficient, more automated parts and processes.

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CAMX 2026
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