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Structural stitching of non-crimp fabric preforms for composites

P. Mitschang,     Institut für Verbundwerkstoffe GmbH, Germany

Abstract:

This chapter contains a short introduction on preform technology and answers the question of why stitching technology should be used. Different types of threads are described, followed by a short discussion about the advantages and disadvantages of each, which will help the reader to select the right type for a specific application. Quality aspects of sewn preforms are evaluated. Information is given about stitching technology, based on the requirements of composites. A description of the main technologies and a short overview of different stitching machines and their capabilities for structural stitching ...

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