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Experiments and analytical modeling for designing tape spring composites
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0001-6802-8331
2017 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2017Conference paper, Published paper (Refereed)
Abstract [en]

Lightweight fiber reinforced tape spring composites are proposed for deployable space structures for nanosatellites. Neutral stable carbon fiber tape springs and bi-stable glass fiber tape springs were manufactured and their self-deployabilities after stowage were experimentally tested. The viscoelastic effects of the composites used were experimentally investigated. An analysis methodology that predicts neutral stability or bi-stability in appropriately arranging fiber directions, layups and fabric properties is presented. A design method flowchart is presented to give a reference for designing neutral or bi-stable tape springs based on the experiments and the analytical model, e.g., material type, layup, fibers direction and stability parameters. The tape spring properties before and after stowage can be predicted. The analytical model shows that fabrics of high strength fibers and low shear modulus resin with layer angle ±45° are good choices for neutrally tape springs and adding inner 0°/90° layers can increase the deployment force for bi-stable tape springs. The bi-stable glass fiber tape springs that can self-deploy after more than 6 months of stowage and high strength carbon fiber neutrally tape springs were fabricated. 

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2017.
Keywords [en]
Bi-stable tape springs, Fiber reinforced composites, Neutrally stable tape springs, Tape spring design, Viscoelasticity
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-236824Scopus ID: 2-s2.0-85053136408OAI: oai:DiVA.org:kth-236824DiVA, id: diva2:1275777
Conference
21st International Conference on Composite Materials, ICCM 2017, 20 August 2017 through 25 August 2017
Funder
EU, FP7, Seventh Framework Programme
Note

QC 20190107

Available from: 2019-01-07 Created: 2019-01-07 Last updated: 2019-01-07Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Output format
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