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Polymeric Materials for Energy Absorption Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 3247

Special Issue Editor


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Guest Editor
Faculty of Engineering, Prince Sulat University, Riyadh 12435, Saudi Arabia
Interests: polymers; crushing impact; energy absorption
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Special Issue Information

In transportation applications, energy absorption devices are incorporated into the vehicle structure to protect its occupants during unlikely events. Their efficiency is highly dependent on how the materials, construction, and design of the vehicle work together. Polymers and polymeric composites are strongly preferred for automotive and aerospace structures due to their great specific strength and stiffness, as well as their ability to absorb impact energy in different failure mechanisms, which results in better crashworthiness, compared to that of metallic structures.

The proposed Special Issue is designed to collect research results and conclusions about the crashworthiness of polymeric structures and polymeric-based fiber-reinforced plastics. Topics of interests include but are not limited to: crashworthiness of polymeric energy absorption devices; 3D-printed polymeric structures for energy absorption; computational modeling of crushing in polymers; FRP composite structures for energy absorption; hybrid composites for improved energy absorption; thermoplastic and thermoset composite structures; quasi-static vs. impact crushing of polymers and polymeric composites; and the role of nanocomposites in crushing.

Keywords

  • polymers
  • composites
  • crushing
  • impact
  • energy absorption
  • hybrid composites
  • thermoplastic
  • thermosets
  • 3D-printed

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Published Papers (1 paper)

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18 pages, 5372 KiB  
Article
Use of Artificial Neural Networks to Optimize Stacking Sequence in UHMWPE Protections
by Jairo Peinado, Liu Jiao-Wang, Álvaro Olmedo and Carlos Santiuste
Polymers 2021, 13(7), 1012; https://doi.org/10.3390/polym13071012 - 25 Mar 2021
Cited by 7 | Viewed by 2374
Abstract
The aim of the present work is to provide a methodology to evaluate the influence of stacking sequence on the ballistic performance of ultra-high molecular weight polyethylene (UHMWPE) protections. The proposed methodology is based on the combination of experimental tests, numerical modelling, and [...] Read more.
The aim of the present work is to provide a methodology to evaluate the influence of stacking sequence on the ballistic performance of ultra-high molecular weight polyethylene (UHMWPE) protections. The proposed methodology is based on the combination of experimental tests, numerical modelling, and Artificial Neural Networks (ANN). High-velocity impact experimental tests were conducted to validate the numerical model. The validated Finite Element Method (FEM) model was used to provide data to train and to validate the ANN. Finally, the ANN was used to find the best stacking sequence combining layers of three UHMWPE materials with different qualities. The results showed that the three UHMWPE materials can be properly combined to provide a solution with a better ballistic performance than using only the material with highest quality. These results imply that costs can be reduced increasing the ballistic limit of the UHMWPE protections. When the weight ratios of the three materials remain constant, the optimal results occur when the highest-performance material is placed in the back face. Furthermore, ANN simulation showed that the optimal results occur when the weight ratio of the highest-performance material is 79.2%. Full article
(This article belongs to the Special Issue Polymeric Materials for Energy Absorption Applications)
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