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Concurrent material-fabrication optimization of metal-matrix laminates under thermo-mechanical loadingA methodology is developed to tailor fabrication and material parameters of metal-matrix laminates for maximum loading capacity under thermomechanical loads. The stresses during the thermomechanical response are minimized subject to failure constrains and bounds on the laminate properties. The thermomechanical response of the laminate is simulated using nonlinear composite mechanics. Evaluations of the method on a graphite/copper symmetric cross-ply laminate were performed. The cross-ply laminate required different optimum fabrication procedures than a unidirectional composite. Also, the consideration of the thermomechanical cycle had a significant effect on the predicted optimal process.
Document ID
19910047219
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Saravanos, D. A.
(NASA Lewis Research Center Cleveland, OH, United States)
Morel, M. R.
(NASA Lewis Research Center Cleveland, OH, United States)
Chamis, C. C.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1991
Subject Category
Engineering (General)
Report/Patent Number
AIAA PAPER 91-1044
Meeting Information
Meeting: AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
Location: Baltimore, MD
Country: United States
Start Date: April 8, 1991
End Date: April 10, 1991
Accession Number
91A31842
Distribution Limits
Public
Copyright
Other

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