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Tiny yet tough : Maximizing the toughness of fiber-reinforced soft composites in the absence of a fiber-fracture mechanism

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Title: Tiny yet tough : Maximizing the toughness of fiber-reinforced soft composites in the absence of a fiber-fracture mechanism
Authors: Cui, Wei Browse this author
Huang, Yiwan Browse this author
Chen, Liang Browse this author
Zheng, Yong Browse this author
Saruwatari, Yoshiyuki Browse this author
Hui, Chung-Yuen Browse this author
Kurokawa, Takayuki Browse this author
King, Daniel R. Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Issue Date: 3-Nov-2021
Publisher: Elsevier
Journal Title: Matter
Volume: 4
Issue: 11
Start Page: 3646
End Page: 3661
Publisher DOI: 10.1016/j.matt.2021.08.013
Abstract: The toughness of composite materials is size dependent below a critical load transfer length (lT). Fiber-reinforced viscoelastic polymers are uniquely suited to study the size-limited regime because the l(T)of these soft composites can be as high as several centimeters, in contrast to traditional composites where l(T) is extremely small, allowing a large window for macroscale characterization. In this work, we elucidate the parameters that influence the toughness of soft composites when failure is governed by a fiber pullout-induced matrix-fracture mechanism. We ultimately demonstrate three important points: (1) fiber-reinforced viscoelastic polymers can possess high toughness, even at dimensions well below l(T) , (2) significant toughness amplification occurs due to the presence of fibers, even when the fracture process consists solely of matrix rupture, and (3) the composite toughness in the fiber pullout region can be predicted from easily attainable component parameters.
Type: article
URI: http://hdl.handle.net/2115/87067
Appears in Collections:生命科学院・先端生命科学研究院 (Graduate School of Life Science / Faculty of Advanced Life Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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