Functionally Graded Nano-Composite for Gear Applications

Award Information
Agency:
Department of Defense
Amount:
$69,985.00
Program:
STTR
Contract:
N00014-05-M-0248
Solitcitation Year:
2005
Solicitation Number:
N/A
Branch:
Navy
Award Year:
2005
Phase:
Phase I
Agency Tracking Number:
N054-006-0088
Solicitation Topic Code:
N05-T006
Small Business Information
TECHNOLOGY ASSESSMENT & TRANSFER, INC.
133 Defense Highway, Suite 212, Annapolis, MD, 21401
Hubzone Owned:
N
Woman Owned:
Y
Socially and Economically Disadvantaged:
N
Duns:
153908801
Principal Investigator
 Christopher J Duston
 Program Manager
 (410) 987-3435
 cduston@techassess.com
Business Contact
 Sharon Fehrenbacher
Title: CEO
Phone: (410) 224-3710
Email: sharon@techassess.com
Research Institution
 UNIV. OF DELAWARE
 Shridhar Yarlagadda
 201 Composites Mfg. Lab
Newark, DE, 19716
 (302) 831-4941
 Nonprofit college or university
Abstract
The U.S. Navy is seeking improved durability, increased life and reduced maintenance for aircraft, particularly rotorcraft, by increasing the hardness of gears and bushings. They have suggested that the incorporation of nano-sized materials to create a functionally graded surface may provide this advantage. Such a compositionally graded structure offers the tooth surface offers the high hardness required to impart surface durability under very demanding contact conditions; the subsurface case region provides the strength gradient; and the core region with low to medium hardness of HRC 35-40 (VHN 345-390) provides a substrate with high toughness. Technology Assessment, in association with the University of Delaware and SSI Technologies has proposed to form a functionally graded surface during gear manufacture.

* information listed above is at the time of submission.

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