Refractory alloys for hypersonic and other extreme-temperature applications.
Hypersonic systems push materials to the breaking point of extreme heat, stress and oxidation, at the edge of what conventional materials can survive. Today, the materials are the bottleneck, and the technical risks are exactly where the opportunity lies.
Strength and stability under extreme heat
The project is led by Douglas Wolfe, associate vice president for research and professor of materials science and engineering at Penn State. It focuses on refractory metal alloys, metals that maintain their strength and stability under extreme heat, for hypersonic and other demanding, high-temperature applications.
Refractory metals such as tungsten, molybdenum and niobium offer high-temperature strength, toughness and thermal conductivity, but oxidation and material loss can limit their use. The researchers plan to develop new alloy compositions and material architectures designed to retain mechanical performance while forming more stable, protective surfaces during high-temperature exposure.
The team will also investigate functionally graded materials, in which composition or structure changes across a component, and environmental protection systems intended to improve oxidation resistance, thermal compatibility and durability.
Battalion's programme attacks this bottleneck directly, working at the frontier of materials performance for the most extreme operating conditions. The effort is built to generate defensible intellectual property in a field where the technical barriers are high and the strategic and commercial rewards are substantial.
- LeadDr Douglas E. Wolfe, Principal Investigator
- Co-investigatorsLong-Qing Chen · Bed Poudel
- InstitutionMaterials Research Institute, Penn State
- TermThree years from 16 July 2026
- FundingUp to $1 million per year
- ApplicationsDefence, hypersonics, nuclear systems, space exploration and other extreme environments
“By integrating computational prediction, next-generation manufacturing and rigorous validation, we can accelerate the development of refractory alloys that enable breakthroughs in defense applications, hypersonics, nuclear systems, space exploration and other extreme environmental applications.”
Douglas Wolfe · Principal Investigator
Domain I team
Wide-bandgap semiconductor integration
Gallium nitride on high-thermal-conductivity substrates, using atomically thin interlayers.
Explore Domain IIHow the research is structured
Two three-year sponsored research agreements with Penn State MRI.
Research overviewWorking on materials for extreme environments?
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