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  4. Voids and their effect on the strain rate dependent material properties and fatigue behaviour of non-crimp fabric composites materials
 
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Voids and their effect on the strain rate dependent material properties and fatigue behaviour of non-crimp fabric composites materials

Publikationstyp
Journal Article
Date Issued
2015-08-20
Sprache
English
Author(s)
Protz, Richard  
Kosmann, Nils  
Gude, Maik  
Hufenbach, Werner  
Schulte, Karl  
Fiedler, Bodo  orcid-logo
Institut
Kunststoffe und Verbundwerkstoffe M-11  
TORE-URI
http://hdl.handle.net/11420/6447
Journal
Composites Part B: Engineering  
Volume
83
Start Page
346
End Page
351
Citation
Composites Part B: Engineering (83): 346-351 (2015-12-15)
Publisher DOI
10.1016/j.compositesb.2015.08.018
Scopus ID
2-s2.0-84941913806
Publisher
Elsevier
The manufacture of composite structures is inevitably linked to the formation of voids. Several non-destructive techniques are potentially able of detecting defects, but just the exact knowledge of the effects of defects on the mechanical properties allows the definition of thresholds for the purpose of quality management. In this paper an experimental program for characterizing the effect of voids on the composite materials behaviour is presented. Therefore glass fibre non-crimp fabric reinforced epoxy composites were produced using vacuum assistant resin transfer moulding. For obtaining various void contents specially modified process parameters were used. Nominally defect free specimens are compared with flawed specimens. Tensile testing at different loading speeds and fatigue tests in tension-compression loading are performed.
Subjects
A. Fabrics/textiles
B. Mechanical properties
B. Porosity
E. Thermosetting resin
DDC Class
600: Technik
More Funding Information
The authors wish to express their thanks to the German Research Foundation for their financial support within the scope of research project PAK267 “Effects of Defects”.
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