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Direct Fabrication of Investment Casting Cores by Ceramic Stereolithography

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-08-M-5223
Agency Tracking Number: F081-036-0661
Amount: $99,946.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: AF081-036
Solicitation Number: 2008.1
Timeline
Solicitation Year: 2008
Award Year: 2008
Award Start Date (Proposal Award Date): 2008-04-11
Award End Date (Contract End Date): 2009-04-11
Small Business Information
133 Defense Highway, Suite 212
Annapolis, MD 21401
United States
DUNS: 153908801
HUBZone Owned: No
Woman Owned: Yes
Socially and Economically Disadvantaged: No
Principal Investigator
 Walter Zimbeck
 Manager, Ceramic MicroDevices Group
 (410) 987-8988
 zimbo@techassess.com
Business Contact
 Sharon Fehrenbacher
Title: CEO
Phone: (410) 224-3710
Email: sharon@techassess.com
Research Institution
N/A
Abstract

This Phase I SBIR project will develop a tool-less direct core fabrication technology based on ceramic stereolithography. The technology will eliminate the high cost and long lead time associated with injection molding tooling and will reduce prototyping costs for advanced cored airfoils by > 50%. The rapid prototyping process will allow parallel exploration of various core designs, which will accelerate the development of higher performance airfoils and turbine engines. The Phase I effort will build on previous related development at TA&T and by our collaborators. Phase I will entail material property evaluation to ensure compatibility with the casting process, fabrication of advanced core designs and assessment of surface roughness and dimensional accuracy. Phase I will culminate with a casting demonstration using cores fabricated by the new process.

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

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