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Title: Failure Behavior of Unidirectional Composites under Compression Loading: Effect of Fiber Waviness
Authors: Nair, Swaroop Narayanan
Dasari, Aravind
Yue, Chee Yoon
Narasimalu, Srikanth
Keywords: Wind Turbine Blades
Issue Date: 2017
Source: Nair, S. N., Dasari, A., Yue, C. Y., & Narasimalu, S. (2017). Failure Behavior of Unidirectional Composites under Compression Loading: Effect of Fiber Waviness. Materials, 10(8), 909-.
Series/Report no.: Materials
Abstract: The key objective of this work is to highlight the effect of manufacturing-induced fiber waviness defects on the compressive failure of glass fiber-reinforced unidirectional specimens. For this purpose, in-plane, through-thickness waviness defects (with different waviness severities) are induced during the manufacturing of the laminate. Numerical and experimental results show that the compressive strength of the composites decreases as the severity of the waviness defects increases. A reduction of up to 75% is noted with a wave severity of 0.075. Optical and scanning electron microscopy observations of the failed specimens reveal that kink-bands are created in the wavy regions and lead to failure.
ISSN: 1996-1944
DOI: 10.3390/ma10080909
Rights: © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
IGS Journal Articles
MAE Journal Articles
MSE Journal Articles

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