MICRO/MACRO MECHANICS FOR COMPOSITE FRACTURE CRITERIA

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 5861
Amount: $497,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1988
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
21414 - 68th Ave S, Kent, WA, 98032
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr Alan Mueller
 (206) 872-8500
Business Contact
Phone: () -
Research Institution
N/A
Abstract
ALTHOUGH STRONG IN THE LAMINATE PLANE, COMPOSITES EXHIBIT WEAK INTERLAMINAR PROPERTIES. AS A RESULT, DELAMINATIONS CAN OCCUR DURING MANUFACTURING OR IN SERVICE ENVIRONMENTS. THIS PROPOSAL ADDRESSES A NEED FOR FRACTURE CRITERIA MODELS FOR BOTH ORGANIC AND METAL MATRIX COMPOSITES. A MAJOR OBJECTIVE IS TO ANALYZE AND COMPARE FRACTURES IN MICROSCOPIC AND MACROSCOPIC GEOMETRIES USING A SINGULAR FINITE ELEMENT METHOD. THE RESULTS OF THIS ANALYSIS WILL BE USED TO DEVELOP A MIXED-MODE, MACROSCOPIC FRACTURE CRITERIA ANALYTICAL MODEL THAT INCORPORATES MICROSCOPIC TOUGHENING MECHANISMS.

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

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