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This STTR program proposes to exploit the tremendous benefits that could be offered by the development of ultra fine grain steel alloys for application to the production of high performance components for military rotorcraft applications. A severe plastic deformation technology based on isothermal forging technologies will be explored here. The goal is to demonstrate a practical, production leve ...

This SBIR effort examines the feasibility of an innovative fabrication technology incorporating sand casting and friction stir processing (FSP) for producing affordable near net shape components made from high performance Ni-based superalloys. Sand casting is a relatively inexpensive casting method not traditionally used to manufacture superalloy castings. Instead of expensive "invested" ceramic ...

Lattice Block Structures are innovative, periodic cellular materials whose combination of affordability, low relative density, and substantial strength represents a significant advance in the state-of-the-art of engineered structural materials. Lattice Block Structures in particular have superior kinetic energy absorbing ability that stems from the collapsibility of the internal cells. As a result ...

This SBIR Phase I effort examines the feasibility of an innovative fabrication technology incorporating sand casting and friction stir processing (FSP) for producing affordable near net shape components made from high performance Ni-based superalloys. Sand casting is a relatively inexpensive casting method not traditionally used to manufacture superalloy castings. Instead of invested ceramic shell ...

This SBIR Phase I effort examines the feasibility of producing metal-metal high density composite materials with sufficient strength to survive severe shock through mechanical deformation. As with many advanced materials, a critical obstacle to their implementation is very high manufacturing costs, particularly for the starting master alloy billets. To surmount this cost barrier, this Phase I pr ...

This SBIR Phase I effort proposes to exploit the tremendous benefits offered by titanium alloys and castings through the evaluation and development of a high strength, lightweight alpha-beta worked Ti casting technology. Such a casting alloy can be applied to fabricate lightweight structures for U.S. Army weapon systems in order to reduce cost and/or weight versus current alloys and/or fabricatio ...

This STTR Phase II program evaluates innovative, ultra-lightweight titanium structures for use on Off-board Surface Vessels. Titanium is chosen given its proven superior strength-to-density ratio, seawater corrosion resistance, and ballistic resistance compared to steel and aluminum as well as organic composite materials. The primary goal in Phase II will be to design, analyze, fabricate, and inst ...

This project will evaluate and develop an innovative class of refractory-metal intermetallic composites as alternatives to the refractory, ceramic, and composite materials presently used or being considered for very high temperature applications in Generation IV nuclear energy systems. In addition to providing a superior very-high-temperature performance potential, these niobium-based intermetalli ...