COLD SPRAY PROCESSING TECHNOLOGY Sandia National Laboratories (Albuquerque, NM), is investigating technology for direct fabrication by cold spray processing (CSP), originally developed at the Russian Academy of Science. Cold Spray Processing is capable of high deposition rates at or near room temperature for pure metals, alloys, polymers, and some composite materials. The unique process of Cold Spray involves minimal heat input to the feedstock powder or the substrate. This makes it possible to deposit thermally sensitive as well as conventional materials. The process produces high density, low residual stress deposits with greatly reduced oxide contents. Sandia currently has one of the few fully functional Cold Spray systems outside of the Former Soviet Union. Sandia is continuing CSP research utilizing a multidisciplinary team with materials, gas dynamics, process diagnostics and modeling expertise. Sandia's CSP effort is focused on developing new capabilities to support internal and external needs for cold spray coatings and direct fabrication including the use of novel materials. Sandia is interested in partnering with industry to further develop CSP into a rapid, agile, economical process technology. Companies interested in partnering with Sandia should be willing to sponsor a collaborative project via a Cooperative Research and Development Agreement (CRADA). For further information, please respond by mail or fax to Sheila Pounds by June 8, 1999 at: Sandia National Laboratories, MS 1380, PO Box 5800, Albuquerque, New Mexico 87185-1380, fax number 505-843-4163. Please indicate the date and title of this CBD notice. E-MAIL: Sheila Pounds, slpound@sandia.gov. Posted 05/25/99 (W-SN335386).

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