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Tribochemical wear of sodium trisilicate glass at the nanometer size scale
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10.1063/1.2166646
/content/aip/journal/jap/99/2/10.1063/1.2166646
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/2/10.1063/1.2166646
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A deflection image of a sodium trisilicate glass surface in 11 solution, where a region of the interior has been smoothed by ten square scans at a contact force of . The size of the central smoothed region is somewhat larger than the nominal scan size due to scanner drift during high-contact-force scanning.

Image of FIG. 2.
FIG. 2.

Power spectra of as-polished and worn sodium trisilicate glass imaged in basic solution with a worn AFM tip. For comparison purposes, the power spectra of a mica surface are also shown. The as-polished glass and mica spectra employed scans, while the worn glass spectrum employed one scan. Each scan consists of 512 height measurements per line, resulting in 256 independent frequency components in each power spectrum.

Image of FIG. 3.
FIG. 3.

Profiles of tip and track after linear scanning in basic solution showing (a) strongly asymmetric tip wear and (b) conformal wear of tip and track. The dots indicate the shape of the wear track profile after manually deconvoluting the wear track image to account for the effect of tip shape. Each track was formed by 15 360 passes of the tip (7680 back-and-forth cycles) at a contact force of .

Image of FIG. 4.
FIG. 4.

Wear depth as a function of number of scans for (a) square-raster scans with 512 passes per scan and (b) linear scans with 1024 passes per scan. Both sets of data were acquired at a contact force of . Each measurement employed a new AFM tip. The data points with error bars represent the average of at least two measurements; the error bars show the standard deviation of the averaged values.

Image of FIG. 5.
FIG. 5.

Average wear depth as a function of contact force produced by (a) 30, square-raster scans at 512 passes each, and (b) a linear scan composed of 15 360 passes of the tip. The data points with error bars represent the average of at least two measurements; the error bars show the standard deviation of the averaged values.

Image of FIG. 6.
FIG. 6.

Average wear depth vs scan speed due to 60 square scans at 512 passes per scan and a contact force of . Each measurement employed a new AFM tip. The data points with error bars represent the average of at least two measurements; the error bars show the standard deviation of the averaged values.

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/content/aip/journal/jap/99/2/10.1063/1.2166646
2006-01-31
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tribochemical wear of sodium trisilicate glass at the nanometer size scale
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/2/10.1063/1.2166646
10.1063/1.2166646
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