NASA STTR Award Backs Cold Spray Research for GRX-810

Why It Matters

Cold‑spray processing of GRX‑810 would enable on‑site repair and lower production costs for rocket engines and other extreme‑environment parts, directly benefiting aerospace, defense and energy markets. It also bridges the critical gap between alloy availability and manufacturability for reusable space propulsion.

Key Takeaways

• NASA STTR funds 13‑month cold‑spray study of GRX‑810 alloy
• University of Utah examines particle impact dynamics with laser‑induced testing
• Penn State develops deposition parameters for scalable cold‑spray manufacturing
• Successful cold‑spray could enable in‑service repair of high‑temp components
• Phase II may scale up production for space and defense applications

Pulse Analysis

GRX‑810, an oxide‑dispersion‑strengthened alloy born at NASA’s Glenn Research Center, has set a new benchmark for high‑temperature performance. With creep resistance improving by a factor of 1,000 at roughly 1,100 °C, the material promises unprecedented durability for turbine blades, combustion chambers and other propulsion components. Early commercial validation on laser‑based metal‑printing platforms has sparked interest from satellite manufacturers and propulsion firms, but the alloy’s reliance on fusion processes limits its applicability for in‑field repairs and rapid part replacement.

Cold‑spray additive manufacturing offers a low‑heat alternative that can both build and refurbish parts without inducing thermal distortion. The core technical hurdle is understanding how GRX‑810 particles behave when accelerated to supersonic speeds—whether they bond, deform or rebound upon impact. The University of Utah’s STARS Lab is deploying a Laser‑Induced Particle Impact Test system to isolate these variables, while Penn State engineers tune spray parameters to translate laboratory insights into scalable processes. Elementum 3D contributes feedstock expertise, ensuring that the research stays grounded in industrial realities and can transition smoothly to production.

If the partnership succeeds, the aerospace and defense sectors could see a paradigm shift: reusable engines and spacecraft structures that are repaired on‑site, cutting down refurbishment downtime and mission costs. The Department of Defense’s Point of Need Manufacturing initiative already backs cold‑spray demonstrations in harsh environments, positioning the technology for rapid adoption in military aerospace programs. A Phase II award would accelerate scale‑up, potentially delivering a commercial cold‑spray pathway that aligns with NASA’s deep‑space propulsion goals and broader energy‑sector needs for resilient, high‑temperature components.