Theoretical Investigation on the Friction Behavior of Bio-Inspired Hard-Soft-Integrated Materials

Structural biological materials with integrated soft and hard phases are ubiquitous in nature. Over recent decades, bio-inspired hard-soft-integrated materials (BHSIMs) have shown excellent mechanical properties of drag reduction and abrasion resistance. This work is proposed to investigate the fric...

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Autores principales: Mi Wang, Wei Yang, Hao Cui, Shu-Chen Yang, Zhen-Ning Liu, Guo-Long Lu
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/67f5b35dc1ea43a8b2aaf102baf169ed
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Sumario:Structural biological materials with integrated soft and hard phases are ubiquitous in nature. Over recent decades, bio-inspired hard-soft-integrated materials (BHSIMs) have shown excellent mechanical properties of drag reduction and abrasion resistance. This work is proposed to investigate the friction behaviors of BHSIMs via theoretical modeling, numerical simulation and experimental verification. First, the mathematical model of the friction process was established based on the classic adhesive friction theory. Then, a range of factors in the friction process were examined by simulation and the respective friction coefficients were discussed. Subsequently bio-inspired materials with integrated soft and hard layers were prepared by 3D printing and their friction coefficients were measured by experiments, which had verified the results of theoretical analyses.