Influence of accelerated aging on nanomechanical properties, creep behaviour and adhesive forces of PDMS

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dc.contributor.author Charitidis, CA en
dc.contributor.author Koumoulos, EP en
dc.contributor.author Tsikourkitoudi, VP en
dc.contributor.author Dragatogiannis, DA en
dc.contributor.author Lolas, G en
dc.date.accessioned 2014-03-01T02:53:47Z
dc.date.available 2014-03-01T02:53:47Z
dc.date.issued 2012 en
dc.identifier.issn 14658011 en
dc.identifier.uri http://hdl.handle.net/123456789/36477
dc.subject Accelerated aging en
dc.subject Adhesion en
dc.subject Creep en
dc.subject Nanoindentation en
dc.subject Polydimethylsiloxane en
dc.subject Viscoelasticity en
dc.subject.other Accelerated aging en
dc.subject.other Adhesion analysis en
dc.subject.other Adhesive energy en
dc.subject.other Adhesive force en
dc.subject.other Applied loads en
dc.subject.other Creep behaviour en
dc.subject.other Fourier transform infrared (FTIR) spectroscopies en
dc.subject.other FTIR en
dc.subject.other Hold time en
dc.subject.other Indentation test en
dc.subject.other Indenters en
dc.subject.other Nano-indentation measurements en
dc.subject.other Nanomechanical property en
dc.subject.other Nanometres en
dc.subject.other Polydimethylsiloxane PDMS en
dc.subject.other Real contact area en
dc.subject.other Surface deterioration en
dc.subject.other Ultra-violet en
dc.subject.other Adhesion en
dc.subject.other Creep en
dc.subject.other Fourier transform infrared spectroscopy en
dc.subject.other Microchannels en
dc.subject.other Nanoindentation en
dc.subject.other Polydimethylsiloxane en
dc.subject.other Viscoelasticity en
dc.subject.other Silicones en
dc.title Influence of accelerated aging on nanomechanical properties, creep behaviour and adhesive forces of PDMS en
heal.type conferenceItem en
heal.identifier.primary 10.1179/1743289811Y.0000000013 en
heal.identifier.secondary http://dx.doi.org/10.1179/1743289811Y.0000000013 en
heal.publicationDate 2012 en
heal.abstract In the present study, the nanoindentation creep behaviour of untreated and ultraviolet (UV) treated polydimethylsiloxane (PDMS) samples was investigated, accompanied with adhesion analysis and Fourier transform infrared spectroscopy (FTIR) characterisation. Different hold times, in the range of 5-2000 s (at 10 mN of applied load), were incorporated into each nanoindentation measurement. The increase in hold time results in an increase in change in depth of the indenter in both samples. The error in hardness/modulus due to creep can be neglected for hold times of̃400 s or more for untreated PDMS and ̃200 s or more for UV treated PDMS. The FTIR obtained data revealed surface deterioration, while the bulk nanomechanical properties were almost identical. A decrease in adhesive energy in the case of UV treated PDMS was observed, indicating that adhesive forces play a significant role at the nanometre scale in the indentation tests (real contact area determination during nanoindentation measurements). © Institute of Materials, Minerals and Mining 2012. en
heal.journalName Plastics, Rubber and Composites en
dc.identifier.doi 10.1179/1743289811Y.0000000013 en
dc.identifier.volume 41 en
dc.identifier.issue 2 en
dc.identifier.spage 94 en
dc.identifier.epage 99 en

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