Eigenvector centrality is a metric of elastomer modulus, heterogeneity, and damage
Abstract
Here, we present an application of eigenvector centrality to encode the connectivity of polymer networks resolved at the micro- and meso-scopic length scales. This method captures the relative importance of different nodes within the network structure and provides a route toward the development of a statistical mechanics model that correlates connectivity with mechanical response. This scheme may be informed by analytical and semi-analytical models for the network structure, or through direct experimental examination. It may be used to predict the reduction in mechanical performance for heterogeneous materials subjected to specific modes of damage. Here, we develop the method and demonstrate that it leads to the prediction of established trends in elastomers. We also apply the model to the case of a self-healing polymer network reported in the literature, extracting insight about the fraction of bonds broken and re-formed during strain and recovery.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1358162
- Report Number(s):
- LA-UR-16-26497
Journal ID: ISSN 2045-2322
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; coarse-grained models; complex networks; mechanical properties; polymers
Citation Formats
Welch, Jr., Paul Michael, and Welch, Cynthia F. Eigenvector centrality is a metric of elastomer modulus, heterogeneity, and damage. United States: N. p., 2017.
Web. doi:10.1038/s41598-017-00818-0.
Welch, Jr., Paul Michael, & Welch, Cynthia F. Eigenvector centrality is a metric of elastomer modulus, heterogeneity, and damage. United States. https://doi.org/10.1038/s41598-017-00818-0
Welch, Jr., Paul Michael, and Welch, Cynthia F. Thu .
"Eigenvector centrality is a metric of elastomer modulus, heterogeneity, and damage". United States. https://doi.org/10.1038/s41598-017-00818-0. https://www.osti.gov/servlets/purl/1358162.
@article{osti_1358162,
title = {Eigenvector centrality is a metric of elastomer modulus, heterogeneity, and damage},
author = {Welch, Jr., Paul Michael and Welch, Cynthia F.},
abstractNote = {Here, we present an application of eigenvector centrality to encode the connectivity of polymer networks resolved at the micro- and meso-scopic length scales. This method captures the relative importance of different nodes within the network structure and provides a route toward the development of a statistical mechanics model that correlates connectivity with mechanical response. This scheme may be informed by analytical and semi-analytical models for the network structure, or through direct experimental examination. It may be used to predict the reduction in mechanical performance for heterogeneous materials subjected to specific modes of damage. Here, we develop the method and demonstrate that it leads to the prediction of established trends in elastomers. We also apply the model to the case of a self-healing polymer network reported in the literature, extracting insight about the fraction of bonds broken and re-formed during strain and recovery.},
doi = {10.1038/s41598-017-00818-0},
journal = {Scientific Reports},
number = 1,
volume = 7,
place = {United States},
year = {Thu Apr 27 00:00:00 EDT 2017},
month = {Thu Apr 27 00:00:00 EDT 2017}
}
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