Affordable High Strength Mo-Si-B Alloys for High Temperature Applications

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-11-M-0276
Agency Tracking Number: N11A-029-0197
Amount: $79,947.00
Phase: Phase I
Program: STTR
Awards Year: 2011
Solicitation Year: 2011
Solicitation Topic Code: N11A-T029
Solicitation Number: 2011.A
Small Business Information
184 Cedar Hill Street, Marlborough, MA, -
DUNS: 121001945
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: Y
Principal Investigator
 Somesh Mukherjee
 Senior Scientist
 (508) 481-5058
Business Contact
 Kang Lee
Title: President&CEO
Phone: (508) 481-5058
Research Institution
 Southwest Research Institute
 James D Oxley
 6220 Culbera Rd
Dept of Microencapsulation
San Antonio, TX, 78238-5166
 (210) 522-2913
 Domestic nonprofit research organization
Mo-Si-B alloys are being considered as possible candidates for high temperature applications such as next generation jet engine blades because of its excellent oxidation resistance and mechanical properties which are much superior to Ni-based super alloys. Navy is looking for cost effective mature Mo-Si-B material production technology for its aerospace applications. In Phase I, Aspen Systems plans to explore cost effective unique processing approaches to develop Mo-Si-B material to a full density with excellent properties. During Phase I, Aspen will formulate and produce a moderate quantity of Mo-Si-B alloy powder by special kind of spray drying technique which has the ability to form particles with a more narrow size distribution when compared to traditional spray drying techniques. The spray-dryed particles will be analyzed for particle size, morphology, composition and thermal stability. These Mo-Si-B alloy premixed powders will be subsequently heat treated(sintering)under protective atmosphere to obtain the desired Mo-Si-B alloy. The sintered material will be further extruded using special extrusion technique with very high strain rate so that fine grained and uniform structure is developed. Properties evaluation including tensile, creep and oxidation of the materials will also be performed during Phase I study. During Phase II program, we will scale-up this process to develop and demonstrate this successful cost effective technology for mass production with proven optimized process parameters based on Phase I data.

* Information listed above is at the time of submission. *

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