Quick Cure Long-Shelf-Life Liquid Shim

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00421-04-P-0223
Agency Tracking Number: N032-0930
Amount: $69,945.00
Phase: Phase I
Program: SBIR
Awards Year: 2003
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
300 Westdale Avenue, Westerville, OH, 43082
DUNS: 877299446
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Gideon Salee
 Senior Scientist
 (614) 797-2200
Business Contact
 Kenneth Heater
Title: President
Phone: (614) 797-2200
Email: kheater@metss.com
Research Institution
The Navy and the Air Force currently use epoxy liquid shim materials for aircraft assembly. The two-part epoxy is mixed just prior to the application on airframe components during assembly. However this method is time consuming as excessive labor isrequired to support mixing, application and cleanup of the excess liquid shim material. This particular process has historically been a schedule driver in the F/A-18 E/F as two part liquid shim materials typically require eight hours or more prior tobeing able to perform the next assembly process. With the aggressive production rates proposed for the JSF program, optimizing manufacturing throughput is of paramount concern, which means reworking liquid shim practices. In support of this, the Navy islooking for innovative material approaches creating a quick cure (less than two hours), long working life (greater than one hour), and a room temperature shelf life exceeding one year. New shim materials should also remove the liquid shim process from thecritical assembly path. Under the proposed program METSS will evaluate single-component anaerobic-curing liquid shim compositions that will eliminate the need for mixing components, provide the required working time for parts assembly, and fully curewithin two hours or less. The proposed technology can be rapidly commercialized, thereby offering the Navy potential for a near-term solution to this critical production problem.

* information listed above is at the time of submission.

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