CMC Structures for Exhaust Nozzle Components Based on 3-D Woven Preforms

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$98,185.00
Award Year:
2007
Program:
SBIR
Phase:
Phase I
Contract:
FA8650-07-M-5313
Award Id:
82014
Agency Tracking Number:
F071-105-1353
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
109 MacKenan Drive, Cary, NC, 27511
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
030936335
Principal Investigator:
KeithSharp
Senior Research Engineer
(919) 481-2500
sharpk@3TEX.com
Business Contact:
AndrewWatson
Controller/Corporate Secretary
(919) 481-2500
watsona@3TEX.com
Research Institute:
n/a
Abstract
In Phase I of the proposed program we plan to demonstrate the feasibility of manufacturing bladetrack components using an approach that will result in substantial reductions in cost and cycle time compared with conventional 2-D lay-up methods. The approach involves use of a 3-D fiber preform with the shape of the final component, produced by an orthogonal weaving process developed at 3TEX, which is then infiltrated with a pressure infiltration method developed at TSC. The processing steps are amenable to a controlled manufacturing environment with minimal adjustment by hand labor. The use of 3-D woven preforms is also the most reliable method for ensuring adequate through-thickness properties, allowing process control during manufacture, and eliminating delamination as a failure mechanism during manufacture or during component service. It also eliminates the risk of processing defects due to incomplete bonding between layers or lay-up errors.

* information listed above is at the time of submission.

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