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Materials 2016, 9(7), 590; doi:10.3390/ma9070590

Microscale Simulation on Mechanical Properties of Al/PTFE Composite Based on Real Microstructures

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
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Academic Editor: Thomas Fiedler
Received: 27 May 2016 / Revised: 3 July 2016 / Accepted: 12 July 2016 / Published: 19 July 2016
(This article belongs to the Section Structure Analysis and Characterization)
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Abstract

A novel numerical method at the microscale for studying the mechanical behavior of an aluminum-particle-reinforced polytetrafluoroethylene (Al/PTFE) composite is proposed and validated experimentally in this paper. Two types of 2D representative volume elements (RVEs), real microstructure-based and simulated microstructures, are established by following a series of image processing procedures and on a statistical basis considering the geometry and the distribution of particles and microvoids, respectively. Moreover, 3D finite element modelling based on the same statistical information as the 2D simulated microstructure models is conducted to show the efficiency and effectiveness of the 2D models. The results of all simulations and experiments indicate that real microstructure-based models and simulated microstructure models are efficient methods to predict elastic and plastic constants of particle-reinforced composites. View Full-Text
Keywords: polymer composites; Al/PTFE; finite-element simulation; microscale modelling; quasi-static compression polymer composites; Al/PTFE; finite-element simulation; microscale modelling; quasi-static compression
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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Ge, C.; Dong, Y.; Maimaitituersun, W. Microscale Simulation on Mechanical Properties of Al/PTFE Composite Based on Real Microstructures. Materials 2016, 9, 590.

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