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Thermal transition measurements of polymer thin films by modulated nanoindentation
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10.1063/1.1943508
/content/aip/journal/jap/98/1/10.1063/1.1943508
http://aip.metastore.ingenta.com/content/aip/journal/jap/98/1/10.1063/1.1943508
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Physical and electronic configurations of the shear-modulated nanoindentation technique used for measuring thermal transitions of polymer films. (1) Hysitron Triboscope (capacitive load-displacement transducer). (2) Thin-film detector temperature sensor. (3) Polymer film sample. (4) Sample substrate (silicon). (5) Copper disk. (6) Thermoelectric heater. (7) Macor heater housing. (8) Piezoelectric tube scanner of a Topometrix Discoverer SFM. Outtake: Schematic illustrating the indenter plate in the capacitive transducer (indenter normal spring constant).

Image of FIG. 2.
FIG. 2.

Modulated nanoindention results for PtBA with an average heating rate of . (hemispherical tungsten indenter; , modulation frequency , and modulation amplitude ). A value of is indicated by the discontinuous rise in the normal response.

Image of FIG. 3.
FIG. 3.

(a) Shear-modulated force microscopy (SM-FM) results on the same PtBA film indicate a of ( , modulation frequency , and modulation amplitude ). (b) Differential scanning calorimetry (DSC) results for bulk PtBA indicate a of approximately 40 °C.

Image of FIG. 4.
FIG. 4.

Modulated nanoindention results for PtBA, with an average heating of . (hemispherical tungsten indenter; , modulation frequency , and modulation amplitude ). A value of is indicated by the discrete step in the normal response.

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/content/aip/journal/jap/98/1/10.1063/1.1943508
2005-07-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal transition measurements of polymer thin films by modulated nanoindentation
http://aip.metastore.ingenta.com/content/aip/journal/jap/98/1/10.1063/1.1943508
10.1063/1.1943508
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