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New solutions for the manufacturing of spacer preforms for thermoplastic textile-reinforced lightweight structures

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Abstract

The novel woven spacer fabrics consist of upper and lower layers which are connected through internal crosslinks. The aim is to weave spacer fabrics with woven crosslinks in a single production step as near net shape sandwich preforms. By this way reproducible and automated manufacturing of sandwich preforms for composites are realized. The paper deals at first with the conception of a new weaving and take-up technology of complete spacer fabrics without subsequent textile assembly processes. Afterwards, the special technology is described, and finally the paper deals with a simulation model for the prediction of dynamic warp thread forces in order to minimize fiber damage during weaving process.

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Acknowledgments

The financial supports from the German Research Foundation (DFG) for the project SFB 639 are greatly appreciated. This paper deals especially with the supported subprojects A3—“Flat-knitted and woven spacer fabrics from hybrid yarns for composites” and A4—“Requirements for reproducible production of textile preforms”. The authors would also like to thank other participating institutes of SFB 639 for the cooperation and the valuable discussions.

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Authors and Affiliations

  1. Institute of Machine Tool and Control Engineering, TU Dresden, 01062, Dresden, Germany

    Knut Großmann, Andreas Mühl & Michael Löser

  2. Institute of Textile Machinery and High Performance Material Technology, TU Dresden, 01062, Dresden, Germany

    Chokri Cherif, Gerald Hoffmann & Ahmet Refah Torun

Authors
  1. Knut Großmann
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  2. Andreas Mühl
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  3. Michael Löser
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  4. Chokri Cherif
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  5. Gerald Hoffmann
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  6. Ahmet Refah Torun
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Correspondence to Knut Großmann.

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Großmann, K., Mühl, A., Löser, M. et al. New solutions for the manufacturing of spacer preforms for thermoplastic textile-reinforced lightweight structures. Prod. Eng. Res. Devel. 4, 589–597 (2010). https://doi.org/10.1007/s11740-010-0267-9

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  • DOI: https://doi.org/10.1007/s11740-010-0267-9

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