Magnesium MetPregT as a Beryllium (Be) Material Replacement

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0006-04-C-7023
Agency Tracking Number: B041-059-1684
Amount: $99,999.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: MDA04-059
Solicitation Number: 2004.1
Small Business Information
The Millennium Centre, R.R. 1, Box 100B, Triadelphia, WV, 26059
DUNS: 101582922
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Virgil Irick
 Ceramic Engineer
 (304) 547-5800
Business Contact
 Brian Joseph
Title: President
Phone: (304) 547-5800
Research Institution
Beryllium commands a unique position as a metal for engineering applications. It exhibits high thermal conductivity, modest thermal expansion, combines a high elastic modulus with a low density to exhibit an unsurpassed specific stiffness (modulus/density). However, the attributes of Be and its alloys are countered by two significant drawbacks: 1) toxicity, and 2) high cost. Over the past two decades MMCs have been the subject of significant academic studies and numerous commercialization attempts. For example, aluminum-matrix MMCs have exhibited desirable attributes such as significant increases in elastic modulus, tensile strength at room and elevated temperatures, fatigue strength, wear resistance, etc. Recently, the Missile Defense Agency has supported materials development approaches that would lead to structural materials systems to replace Be and Be alloys. Continuous graphite fiber reinforced magnesium is a viable candidate for Be replacement. The overall objective for this Phase I effort is to evaluate the feasibility of producing magnesium-matrix, continuous carbon fiber composites using Touchstone's MetPregT processing facility. The proposed feasibility evaluation entails modifying the MetPreg processing apparatus for handling magnesium safely, producing tape using two matrix alloys and two carbon fibers, measuring the tensile properties of fabricated tape, and performing microstructural characterizations.

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

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