High-Performance Structural Fibers for Advanced Polymer Matrix Composites (2005) / Chapter Skim
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5 Conclusions and Recommendations
5 Conclusions and Recommendations
Pages 50-52
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From page 50... ...
In this changing market, it appears that each carbon fiber supplier has targeted specific market segments and is building facilities and directing product portfolios to support its chosen strategies. Although some producers have indicated that the high cost of adding new facilities is a barrier to increasing capacity, DuPont, Honeywell, Dyneema, Toho, and Toray are all adding capacity in the United States.
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From page 51... ...
To reduce manufacturing costs in aircraft structures, DoD should invest in manufacturing technology and innovative design concept development. Promising ways to improve dimensional tolerance and reduce processing variability include investment in new continuous process controls that would contribute to controlling fiber structure and purity, prepreg properties such as fiber weight per unit length, and overall property variability.
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From page 52... ...
The DoD should take a lead in developing a better design methodology that incorporates variability and stochastic aspects of local properties into lifetime models. DoD personnel should use this improved understanding to develop new design allowables and parameters that prevent overdesign of parts and overspecification of fiber properties.
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