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Title: Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]

Abstract

A modeling method to extract the mechanical properties of ultra-thin films (10–100 nm thick) from experimental data generated by indentation of freestanding circular films using a spherical indenter is presented. The relationship between the mechanical properties of the film and experimental parameters including load, and deflection are discussed in the context of a constitutive material model, test variables, and analytical approaches. As a result, elastic and plastic regimes are identified by comparison of finite element simulation and experimental data.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1411688
Report Number(s):
LLNL-JRNL-701818
Journal ID: ISSN 2095-4719; applab; TRN: US1800275
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
High Power Laser Science and Engineering
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2095-4719
Publisher:
Cambridge University Press
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 36 MATERIALS SCIENCE; ultra-thin films; indentation; optimization

Citation Formats

Espinosa-Loza, Francisco, Stadermann, Michael, Aracne-Ruddle, Chantel, Casey, Rebecca, Miller, Philip, and Whitesides, Russel. Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]. United States: N. p., 2017. Web. doi:10.1017/hpl.2017.27.
Espinosa-Loza, Francisco, Stadermann, Michael, Aracne-Ruddle, Chantel, Casey, Rebecca, Miller, Philip, & Whitesides, Russel. Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]. United States. doi:10.1017/hpl.2017.27.
Espinosa-Loza, Francisco, Stadermann, Michael, Aracne-Ruddle, Chantel, Casey, Rebecca, Miller, Philip, and Whitesides, Russel. Thu . "Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]". United States. doi:10.1017/hpl.2017.27. https://www.osti.gov/servlets/purl/1411688.
@article{osti_1411688,
title = {Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]},
author = {Espinosa-Loza, Francisco and Stadermann, Michael and Aracne-Ruddle, Chantel and Casey, Rebecca and Miller, Philip and Whitesides, Russel},
abstractNote = {A modeling method to extract the mechanical properties of ultra-thin films (10–100 nm thick) from experimental data generated by indentation of freestanding circular films using a spherical indenter is presented. The relationship between the mechanical properties of the film and experimental parameters including load, and deflection are discussed in the context of a constitutive material model, test variables, and analytical approaches. As a result, elastic and plastic regimes are identified by comparison of finite element simulation and experimental data.},
doi = {10.1017/hpl.2017.27},
journal = {High Power Laser Science and Engineering},
number = ,
volume = 5,
place = {United States},
year = {2017},
month = {11}
}

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Works referenced in this record:

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