APL's FAST CAR2 Breakthrough Promises to Accelerate Hypersonic and Rocket Production, Easing Critical US Defense Supply Constraints

Johns Hopkins University Applied Physics Laboratory (APL) researchers have developed FAST CAR2, a field-assisted sintering technique that slashes carbon-carbon composite manufacturing time from months to days. The method introduces a carbon-bearing material into fiber preforms and uses rapid electrical current and pressure for single-step densification in minutes, yielding materials with smaller pores and performance matching or exceeding industry standards in high-velocity oxygen fuel tests. Official APL announcements highlight its relevance for rocket nozzles, missile nose cones, re-entry systems, and hypersonic thermal protection systems, directly addressing long-standing bottlenecks in aerospace and defense supply chains. Corroborating reports from Interesting Engineering and international outlets confirm scalability demonstrations up to 8-inch components, with ongoing work on larger presses. This development aligns with broader APL efforts in hypersonics and extreme materials, potentially enabling faster iteration and deployment of high-speed vehicles amid rising strategic competition.