Navy Awards Optomec Additional $750,000 to Further Develop Aircraft Engine Repair Process

Home/2010/Navy Awards Optomec Additional $750,000 to Further Develop Aircraft Engine Repair Process

Navy Awards Optomec Additional $750,000 to Further Develop Aircraft Engine Repair Process

Enhanced LENS System to be used to Continue Development of New Repair Capability for Nickel-based Superalloy IBRs

Albuquerque, New Mexico, 17 February 2010: Optomec announced today that the company has received a Phase II SBIR (Small Business Innovative Research) contract from the US Navy to continue the development of a new repair capability for restoring aircraft engine integrally bladed rotors (IBRs, also known as blisks). The Phase II contract brings the total amount of funding to $900,000. Optomec’s Phase I and Phase II proposals for funding were supported by Pratt & Whitney, the leading supplier of gas turbine engines to the U.S. Department of Defense.

Modern jet engines use IBRs, which are one-piece components integrating the blades and disc. These components wear over time, as the tips of the airfoils rub into the shrouds. They can also be damaged by foreign objects entering the engine and impacting the airfoils. To repair these components, material added to restore the damaged IBR airfoils must meet the same stringent property requirements as new components. During six years of development work, the LENS system has proven its ability over competing processes in IBR repair because it has been shown to be uniquely capable of producing material with the desired shape, structure and properties for this demanding application. In addition, the LENS process has demonstrated economic viability to repair IBRs that would otherwise cost tens or hundreds of thousands of dollars to replace.

In the current project, the nickel-based superalloy that is used to manufacture the IBR is considered very difficult to weld, and typically suffers from extensive cracking when welded. However, these problems have been eliminated by using the LENS process. Dr. Richard Grylls, LENS Product Manager for Optomec states “We are implementing an upgraded control system that enables the production of improved microstructures that will enable the LENS process to make repairs with outstanding properties for many high-strength superalloys, and also expand the capability of LENS to repair Titanium IBRs. This new capability will find application beyond IBR repair, including other airfoil repairs in aerospace and industrial gas turbine applications”. The additional funding will be used to conduct extensive mechanical property testing, and to continue to advance the technology readiness level of this repair. For more information on LENS, click here.

Optomec is the world-leading provider of additive manufacturing solutions for high-performance applications in the Electronics, Solar, Medical, and Aerospace & Defense markets. These systems utilize Optomec’s patented Aerosol Jet Printed Electronics technology and LENS powder-metal fabrication technology. The company has a global customer base of more than 100 users that includes many industry-leading manufacturers.

By | 2014-04-14T15:27:24+00:00 February 17th, 2010|
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