Toward broadband mechanical spectroscopy

Tina Hecksher, Darius Torchinsky, Christoph Klieber, Jeremy Johnson, Jeppe C. Dyre, Keith A. Nelson

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Diverse material classes exhibit qualitatively similar behavior when made viscous upon cooling toward the glass transition, suggesting a common theoretical basis. We used seven different measurement methods to determine the mechanical relaxation kinetics of a prototype molecular glass former over a temporal range of 13 decades and over a temperature range spanning liquid to glassy states. The data conform to time–temperature superposition for the main (alpha) process and to a scaling relation of schematic mode-coupling theory. The broadband mechanical measurements demonstrated have fundamental and practical applications in polymer science, geophysics, multifunctional materials, and other areas.
OriginalsprogEngelsk
TidsskriftProceedings of the National Academy of Science of the United States of America
Vol/bind114
Udgave nummer33
Sider (fra-til)8710-8715
Antal sider6
ISSN0027-8424
DOI
StatusUdgivet - 2017

Citer dette

Hecksher, Tina ; Torchinsky, Darius ; Klieber, Christoph ; Johnson, Jeremy ; Dyre, Jeppe C. ; Nelson, Keith A. / Toward broadband mechanical spectroscopy. I: Proceedings of the National Academy of Science of the United States of America. 2017 ; Bind 114, Nr. 33. s. 8710-8715.
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Toward broadband mechanical spectroscopy. / Hecksher, Tina; Torchinsky, Darius; Klieber, Christoph; Johnson, Jeremy; Dyre, Jeppe C.; Nelson, Keith A.

I: Proceedings of the National Academy of Science of the United States of America, Bind 114, Nr. 33, 2017, s. 8710-8715.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Toward broadband mechanical spectroscopy

AU - Hecksher, Tina

AU - Torchinsky, Darius

AU - Klieber, Christoph

AU - Johnson, Jeremy

AU - Dyre, Jeppe C.

AU - Nelson, Keith A.

PY - 2017

Y1 - 2017

N2 - Diverse material classes exhibit qualitatively similar behavior when made viscous upon cooling toward the glass transition, suggesting a common theoretical basis. We used seven different measurement methods to determine the mechanical relaxation kinetics of a prototype molecular glass former over a temporal range of 13 decades and over a temperature range spanning liquid to glassy states. The data conform to time–temperature superposition for the main (alpha) process and to a scaling relation of schematic mode-coupling theory. The broadband mechanical measurements demonstrated have fundamental and practical applications in polymer science, geophysics, multifunctional materials, and other areas.

AB - Diverse material classes exhibit qualitatively similar behavior when made viscous upon cooling toward the glass transition, suggesting a common theoretical basis. We used seven different measurement methods to determine the mechanical relaxation kinetics of a prototype molecular glass former over a temporal range of 13 decades and over a temperature range spanning liquid to glassy states. The data conform to time–temperature superposition for the main (alpha) process and to a scaling relation of schematic mode-coupling theory. The broadband mechanical measurements demonstrated have fundamental and practical applications in polymer science, geophysics, multifunctional materials, and other areas.

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DO - 10.1073/pnas.1707251114

M3 - Journal article

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SP - 8710

EP - 8715

JO - Proceedings of the National Academy of Sciences of the United States of America

JF - Proceedings of the National Academy of Sciences of the United States of America

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