Development of Novel Surface Processing Technology For Fatigue Life Improvement(1000-873) Navy SBIR FY2006.1 Sol No.: Navy SBIR FY2006.1 Topic No.: N06-047 Topic Title: Development of Novel Surface Processing Technology For Fatigue Life Improvement(1000-873) Proposal No.: N061-047-0234 Firm: TRITON SYSTEMS, INC. 200 TURNPIKE ROAD Chelmsford, Massachusetts 01824 Contact: Chaolin Hu Phone: (978) 250-4200 Web Site: www.tritonsys.com Abstract: Triton Systems, Inc. (TSI) is proposing a novel surface processing technology for significant fatigue life improvement of dynamic aircraft materials/components to meet the Navy's needs for cheaper and higher fatigue performance of these materials in its future applications. The technology will allow a fast process to produce a uniformly high compressive stress into a deep distance in the surface. Compared with the conventional shot peening (SP) and currently state-of-the-art laser peening (LP) or cavitation peening (CP) technologies, we believe our approach offers the following advantages for the material fatigue life improvements: � The proposed technology provides fast, deep and uniform compressive residual stress that can be easily reproducible for the same materials. � The proposed approach is simple and needs the least modifications from a currently available welding and bonding system and other manufacturing technologies. � The proposed process offers the most efficient and low cost process due to: 1) accurate pass control; 2) fast traveling speed; 3) smooth surface without sacrificing the surface finish; and 4) no medium materials required such as the steel balls in the conventional shot peening and the paint/tapes and water in the laser peening approaches. Benefits: The proposed technology will provide a fast, deep and uniform compressive residual stress in the surface that can be easily reproducible for the same materials. The system costs less than the existing laser, cavitation peening systems. The potential of this technology is great if successfully developed. Only the replacements of the current shot peening, laser peening and cavitation peening will allow for a huge market of the technology and equipment manufacturing. This technology and the systems will be widely used in manufacturing aircraft, automobile and other components wherever a better fatigue performance can be improved. Return