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High-Performance Magnesium Alloys and Composites by Efficient Vapor Phase Processing

Award Information
Agency: Department of Defense
Branch: Army
Contract: W911NF-14-P-0025
Agency Tracking Number: A14A-007-0178
Amount: $149,720.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: A14A-T007
Solicitation Number: 2014.A
Solicitation Year: 2014
Award Year: 2014
Award Start Date (Proposal Award Date): 2014-08-07
Award End Date (Contract End Date): 2015-02-10
Small Business Information
2 Boars Head Lane
Charlottesville, VA -
United States
DUNS: 036500804
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Derek Hass
 Director, Research&Development
 (434) 977-1405
Business Contact
 Harry Burns
Title: President&CEO
Phone: (434) 977-1405
Research Institution
 Univ. of Virginia
 Robert R Merhige
PO Box 400195
Charlottesville, VA 22904-4195
United States

 (434) 924-4270
 Nonprofit College or University

The low density of magnesium makes it of interest for the development of advanced materials having high specific strength and stiffness. Current Mg applications, however, are limited by the performance and cost/quality relationships of existing Mg-alloy systems. One approach to obtain improved Mg alloys is through the development of new alloys and/or Mg-based composite materials that are enabled through the use of vapor phase processing routes. For example, high quality Mg matrix composites can be created by coating individual reinforcing fibers and then consolidating them into materials having enhanced properties. The use of vapor co-evaporation techniques for the formation of novel non-equilibrium alloys is also of interest. For manufacturing routes of this type to be viable, scalable vapor production processes which have suitable energy efficiencies and cost effectiveness are required. In this work, a novel gas jet assisted vapor deposition approach using a moderate vacuum is explored as a means for the creation of well intermixed Mg-alloy vapors which can be condensed in a highly efficient manner as monolithic alloys or onto fiber based substrates. Prototype production scale processing equipment is employed to determine the scalability factors for materials processing via this route and enable characterization of the resulting materials.

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