You are here

Evaluation of Composite Joints in General Aviation Structures

Award Information
Agency: Department of Transportation
Branch: N/A
Contract: DTRS57-03-C-10013
Agency Tracking Number: DTRS57-03-C-10013
Amount: $288,300.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Solicitation Year: N/A
Award Year: 2002
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
500 Office Center Drive, Suite 250
Fort Washington, PA 19034
United States
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Gerald Flanagan
 Technical Director
 (215) 542-8400
Business Contact
Phone: () -
Research Institution

During the Phase I program, MSC demonstrated a powerful new software tool designed for the analysis of bonded joints in General Aviation (GA) aircraft. The tool can handle the complex geometry and boundary conditions found in typical joints, and has been shown to be exceptionally accurate. An easy-to-use front end to the code was also demonstrated. In addition, Materials Sciences Corporation (MSC) proposed new approaches to understanding the mechanics of adhesive failure as a function of adhesive thickness. GA aircraft sometimes use thicker adhesive than would be recommended for optimum strength. A model based on nonlocal damage mechanics was developed that appears to explain the observed test data with a minimum of empirical constants. The Phase II program is intended to combine improved adhesive mechanics models with the analytic code, and to bring the code to maturity in preparation for release. In addition, validation data will be generated using typical joints as produced by a GA manufacturer.

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

US Flag An Official Website of the United States Government