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

Espinosa-Loza, Francisco; Stadermann, Michael; Aracne-Ruddle, Chantel; Casey, Rebecca; Miller, Philip; Whitesides, Russel

doi:10.1017/hpl.2017.27

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

Journal Article · Thu Nov 16 00:00:00 EST 2017 · High Power Laser Science and Engineering

DOI:https://doi.org/10.1017/hpl.2017.27· OSTI ID:1411688

Espinosa-Loza, Francisco ^[1]; Stadermann, Michael ^[1]; Aracne-Ruddle, Chantel ^[1]; Casey, Rebecca ^[1]; Miller, Philip ^[1]; Whitesides, Russel ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

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.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1411688

Report Number(s):: LLNL-JRNL-701818; applab; TRN: US1800275

Journal Information:: High Power Laser Science and Engineering, Vol. 5; ISSN 2095-4719

Publisher:: Cambridge University PressCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 2 works

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References (13)

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42 ENGINEERING
36 MATERIALS SCIENCE
ultra-thin films
indentation
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Title: Modeling the mechanical properties of ultra-thin polymer films [Structural modeling of films of atomic scale thickness]

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