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Strain softening of nano-scale fuzzy interfaces causes Mullins effect in thermoplastic polyurethane.

Abstract:

The strain-induced softening of thermoplastic polyurethane elastomers (TPUs), known as the Mullins effect, arises from their multi-phase structure. We used the combination of small- and wide- angle X-ray scattering (SAXS/WAXS) during in situ repeated tensile loading to elucidate the relationship between molecular architecture, nano-strain, and macro-scale mechanical properties. Insights obtained from our analysis highlight the importance of the 'fuzzy interface' between the hard and soft regi...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1038/s41598-017-00904-3

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Dolbnya, IP More by this author
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Publisher:
Nature Publishing Group Publisher's website
Journal:
Scientific Reports Journal website
Volume:
7
Issue:
1
Pages:
916
Publication date:
2017-04-05
Acceptance date:
2017-03-16
DOI:
EISSN:
2045-2322
Pubs id:
pubs:691064
URN:
uri:fb911d9c-0b42-4404-bab1-04f0b95a8e4d
UUID:
uuid:fb911d9c-0b42-4404-bab1-04f0b95a8e4d
Local pid:
pubs:691064
Language:
English
Keywords:

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