Advanced Materials Manufacturing's Four-Foot Foam Panels Land a Bet on Lighter Armor

The material is a lattice of hollow metal spheres suspended in a solid matrix, but the end result is a panel that can stop an armor-piercing bullet. For Afsaneh Rabiei, the North Carolina State University professor who spent two decades developing composite metal foam (CMF), the leap from lab sample to three- and four-foot production panels is the critical step toward commercial use [Business North Carolina, Nov 2025] [WRAL.com, Nov 2025]. Her startup, Advanced Materials Manufacturing, is now the sole manufacturer and supplier of the patented material, betting its unique combination of high strength and low weight can find a home in everything from vehicle armor to nuclear waste casks [advancemnm.com, Retrieved 2026] [Impact Lab, Feb 2025].

The wedge: strength without the weight

CMF's value proposition is a straightforward tradeoff in material science: it aims to match or exceed the performance of traditional metals while shedding mass. The company claims the foam combines the strength of steel with the lightweight properties of aluminum [MapQuest, Retrieved 2026]. This makes it a candidate for any application where weight is a penalty but failure is not an option. The most cited example is ballistic protection, where early tests showed the material could "stop an incoming bullet, absorbing its impact significantly" [Business Insider, Apr 2016]. The potential applications, however, extend across regulated, performance-critical industries. Rabiei's lab has proposed CMF for the "demanding conditions of harsh service environments" in nuclear energy, and the material holds promise for space exploration and transportation [sbir.gov, Unknown] [Impact Lab, Feb 2025].

An academic foundation with government validation

The company's trajectory is built on deep, non-dilutive research funding rather than venture capital. Rabiei founded Advanced Materials Manufacturing in 2016 to commercialize technology developed over nearly 20 years at her NC State Advanced Materials Research Laboratory [VentureRadar, Jul 2023] [research.ncsu.edu, Retrieved 2026]. The team of 11 employees continues to use this academic foundation [ContactOut, Retrieved 2026]. Traction so far is measured in grant awards and prototype shipments, not commercial revenue. A 2023 SBIR grant from the Department of Energy for nuclear energy applications signals serious government interest in the material's properties [AFCEA International, Retrieved 2026]. The path to market involves either licensing the CMF technology to end-users or manufacturing the material directly for other companies.

The competitive landscape for advanced foams

Advanced Materials Manufacturing operates in a niche but crowded segment of the advanced materials market. The company's patented CMF process differentiates it from a field of competitors producing various forms of metal foam and porous materials.

Competitor	Primary Material / Focus	Key Differentiator for AMM
ERG Aerospace & Cymat Technologies	Aluminum foam	AMM's CMF uses a composite matrix (steel, titanium, etc.) for higher strength [Justia Patents Search, Retrieved 2026].
Ultramet	Reticulated foam (open cell)	AMM's CMF is a closed-cell structure, offering different mechanical and thermal properties.
Fraunhofer IFAM	Research & development	AMM is a commercial entity with scaled production (multi-foot panels) and a specific patented product.

The technical breakdown centers on the material's microstructure. Composite metal foams are not a single alloy but a system: hollow metallic spheres (often steel or titanium) are embedded within a solid metal matrix. This architecture is what provides the exceptional energy absorption per unit mass. It's a clever bit of engineering that manipulates material geometry to achieve properties the base metals alone cannot.

Scaling from prototype to product

The primary risk for Advanced Materials Manufacturing is not technological novelty but commercial adoption at scale. The material science is proven in the lab and in small-batch production. The unanswered questions are economic and operational.

• Production cost. Manufacturing multi-foot panels of CMF is inherently more complex and likely more expensive than casting solid steel. The cost premium must be justified by the weight savings in high-value applications like aerospace or military vehicles, where every kilogram has a direct operational cost.
• Supply chain integration. CMF is a new material that requires new machining and handling techniques. For it to replace a conventional metal component in a vehicle or structure, the entire supply chain,from designers to welders,must adapt. This creates a significant adoption friction that even a superior material must overcome.
• Market education. The company must not only sell panels but also educate potential customers on how to design with CMF. This requires a deep investment in applications engineering and customer support, a resource-intensive effort for an 11-person team.

The next twelve months will be telling. Success will be measured less in additional grant money and more in the announcement of a first major commercial or defense contract, one that moves CMF from a promising prototype to a specified component in a shipped product. The company's ability to scale its team and production capacity in parallel with that demand will determine if this two-decade research project becomes a foundational industrial supplier.

Sources

1. [Business North Carolina, Nov 2025] Big future seen for N.C. State prof's composite metal foam startup | https://businessnc.com/big-future-seen-for-n-c-state-profs-composite-foam-startup/
2. [WRAL.com, Nov 2025] N.C. State professor's startup makes lightweight metal foam that can stop bullets | https://www.wral.com/story/n-c-state-professor-s-startup-makes-lightweight-metal-foam-that-can-stop-bullets/21222436/
3. [advancemnm.com, Retrieved 2026] Advanced Materials Manufacturing homepage | https://www.advancemnm.com/
4. [Impact Lab, Feb 2025] Article on CMF applications | https://www.impactlab.com/2025/02/26/composite-metal-foams-hold-promise-for-applications-in-space-exploration-shipping-nuclear-waste-explosives-and-hazardous-materials-military-and-security-applications-and-even-cars-buses-and-trains/
5. [MapQuest, Retrieved 2026] Business profile for Advanced Materials Manufacturing | https://www.mapquest.com/us/north-carolina/advanced-materials-manufacturing-llc-441690045
6. [Business Insider, Apr 2016] Scientists have discovered a metal foam that can stop an incoming bullet | https://www.businessinsider.com/metal-foam-can-stop-an-armor-piercing-bullet-2016-4
7. [sbir.gov, Unknown] SBIR grant abstract for Nickel-based Composite Metal Foam | https://www.sbir.gov/portfolio/1614687
8. [VentureRadar, Jul 2023] Advanced Materials Manufacturing, LLC profile | https://www.ventureradar.com/organisation/Advanced%20Materials%20Manufacturing,%20LLC/4ba1e0b9-a02f-4dbb-b3d7-4f0dd33002f6
9. [research.ncsu.edu, Retrieved 2026] NC State research news on AMM | https://research.ncsu.edu/
10. [ContactOut, Retrieved 2026] Contact information for Advanced Materials Manufacturing | https://contactout.com/
11. [AFCEA International, Retrieved 2026] Article referencing 2023 SBIR grant | https://www.afcea.org/
12. [Justia Patents Search, Retrieved 2026] Patent information for composite metal foams | https://patents.justia.com/