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Fibers 2018, 6(4), 91; https://doi.org/10.3390/fib6040091

Preparation and Behavior of Bamboo Fiber-Reinforced Polydimethylsiloxane Composite Foams during Compression

Mechanical Engineering Programme Area, Universiti Teknologi Brunei, Gadong BE 1410, Brunei Darussalam
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Received: 9 October 2018 / Revised: 4 November 2018 / Accepted: 26 November 2018 / Published: 29 November 2018
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Abstract

This study investigates the mechanical properties of bamboo fiber-reinforced polydimethylsiloxane (BF-PDMS) foams with up to 3.4% (by mass) fiber during compression. Pristine PDMS foams and BF-PDMS composite foams were fabricated using a sugar leaching method. Compression test results of pristine PDMS and BF-PDMS composite foams display plateau and densification regions. Predictions of a modified phenomenological foam (PF) model based on Maxwell and Kelvin–Voight models are in good agreement with compression test results. Stiffness coefficients were extracted by fitting results of compression tests to the modified PF model. Spring and densification coefficients of BF-PDMS composite foams are 2.5- and 15-fold greater than those of pristine PDMS foams, respectively. Strains corresponding to onset of densification computed using extracted coefficients were 35% and 25% for pristine PDMS foams and BF-PDMS composite foams, respectively. Compressing foams at 6.0 and 0.5 mm/min results in highest and lowest compressive stress, respectively. Insights from this study are useful in many areas such as environmental protection, pressure sensing, and energy where PDMS composite foams will find applications. View Full-Text
Keywords: foam; porous polydimethylsiloxane (PDMS); bamboo fiber; mechanical behavior; densification foam; porous polydimethylsiloxane (PDMS); bamboo fiber; mechanical behavior; densification
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zubaidah, I.; Norfatriah, A.; Zatul Amali, S.N.; Zuruzi, A.S. Preparation and Behavior of Bamboo Fiber-Reinforced Polydimethylsiloxane Composite Foams during Compression. Fibers 2018, 6, 91.

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