A mechanism of corrosion-induced roughening of glass surfaces

Nathan P. Mellott, Carlo G. Pantano

Research output: Contribution to journalLetter

11 Citations (Scopus)

Abstract

Atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and solution analysis by inductively coupled plasma mass spectrometry (ICP-MS) were used to investigate the molecular scale processes responsible for the roughening of glass surfaces due to aqueous corrosion. The study of atomically smooth fiber and melt surfaces allowed direct investigation of the atomic and molecular scale effects of dissolution on surface roughness. The combined use of these analytical techniques clearly showed that the change in RMS roughness with aqueous corrosion could be directly related to the concentration of silica released to solution from the glass; cation leaching alone did not generate detectable roughening. It is well known that nano-/microscale surface roughness can influence strength, optical response, adsorptivity, and other surface properties of glass. It is shown here that the roughening of silicate glass surfaces can be expected based on the amount of silica released from the glass and does not show a dependence on the extent of modifier ion leaching. It is also suggested that the glass composition dependence of this roughening may be a measure of the nanoscale heterogeneity of the glass network structure.

Original languageEnglish (US)
Pages (from-to)274-279
Number of pages6
JournalInternational Journal of Applied Glass Science
Volume4
Issue number3
DOIs
StatePublished - Sep 1 2013

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Corrosion
Glass
Surface roughness
Silicon Dioxide
Leaching
Silica
Silicates
Inductively coupled plasma mass spectrometry
Surface properties
Cations
Atomic force microscopy
Dissolution
X ray photoelectron spectroscopy
Positive ions
Ions
Fibers
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Mellott, Nathan P. ; Pantano, Carlo G. / A mechanism of corrosion-induced roughening of glass surfaces. In: International Journal of Applied Glass Science. 2013 ; Vol. 4, No. 3. pp. 274-279.
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A mechanism of corrosion-induced roughening of glass surfaces. / Mellott, Nathan P.; Pantano, Carlo G.

In: International Journal of Applied Glass Science, Vol. 4, No. 3, 01.09.2013, p. 274-279.

Research output: Contribution to journalLetter

TY - JOUR

T1 - A mechanism of corrosion-induced roughening of glass surfaces

AU - Mellott, Nathan P.

AU - Pantano, Carlo G.

PY - 2013/9/1

Y1 - 2013/9/1

N2 - Atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and solution analysis by inductively coupled plasma mass spectrometry (ICP-MS) were used to investigate the molecular scale processes responsible for the roughening of glass surfaces due to aqueous corrosion. The study of atomically smooth fiber and melt surfaces allowed direct investigation of the atomic and molecular scale effects of dissolution on surface roughness. The combined use of these analytical techniques clearly showed that the change in RMS roughness with aqueous corrosion could be directly related to the concentration of silica released to solution from the glass; cation leaching alone did not generate detectable roughening. It is well known that nano-/microscale surface roughness can influence strength, optical response, adsorptivity, and other surface properties of glass. It is shown here that the roughening of silicate glass surfaces can be expected based on the amount of silica released from the glass and does not show a dependence on the extent of modifier ion leaching. It is also suggested that the glass composition dependence of this roughening may be a measure of the nanoscale heterogeneity of the glass network structure.

AB - Atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and solution analysis by inductively coupled plasma mass spectrometry (ICP-MS) were used to investigate the molecular scale processes responsible for the roughening of glass surfaces due to aqueous corrosion. The study of atomically smooth fiber and melt surfaces allowed direct investigation of the atomic and molecular scale effects of dissolution on surface roughness. The combined use of these analytical techniques clearly showed that the change in RMS roughness with aqueous corrosion could be directly related to the concentration of silica released to solution from the glass; cation leaching alone did not generate detectable roughening. It is well known that nano-/microscale surface roughness can influence strength, optical response, adsorptivity, and other surface properties of glass. It is shown here that the roughening of silicate glass surfaces can be expected based on the amount of silica released from the glass and does not show a dependence on the extent of modifier ion leaching. It is also suggested that the glass composition dependence of this roughening may be a measure of the nanoscale heterogeneity of the glass network structure.

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