Effect of subsurface damage on indentation behavior of ground ULE™ glass

Fuqian Yang

doi:10.1016/j.jnoncrysol.2005.10.022

Effect of subsurface damage on indentation behavior of ground ULE™ glass

Fuqian Yang

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The subsurface damage in ground optical glasses was characterized using the ball-dimple technique. At the same lapping conditions, larger abrasive size introduced deeper subsurface damage, and the surface damage was proportional to the surface roughness. Surface degradation in the ground glasses due to the formation and propagation of the subsurface damage was evaluated using microindentation method. A two parameters empirical equation was used to describe the indentation behavior of the ground glasses. It was found that the nominal near-surface elastic constant decreases with the indentation load, suggesting the propagation and formation of surface cracks during the indentation.

Original language	English
Pages (from-to)	3861-3865
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	351
Issue number	52-54
DOIs	https://doi.org/10.1016/j.jnoncrysol.2005.10.022
State	Published - Dec 15 2005

Bibliographical note

Funding Information:
This research was supported partially by NFS through the grant DMR-0211706 monitored by Dr Guebre Tessema and Dr Bruce A. Macdonald. Peixing Fei did the indentation experiments.

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/j.jnoncrysol.2005.10.022

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title = "Effect of subsurface damage on indentation behavior of ground ULE{\texttrademark} glass",

abstract = "The subsurface damage in ground optical glasses was characterized using the ball-dimple technique. At the same lapping conditions, larger abrasive size introduced deeper subsurface damage, and the surface damage was proportional to the surface roughness. Surface degradation in the ground glasses due to the formation and propagation of the subsurface damage was evaluated using microindentation method. A two parameters empirical equation was used to describe the indentation behavior of the ground glasses. It was found that the nominal near-surface elastic constant decreases with the indentation load, suggesting the propagation and formation of surface cracks during the indentation.",

author = "Fuqian Yang",

note = "Funding Information: This research was supported partially by NFS through the grant DMR-0211706 monitored by Dr Guebre Tessema and Dr Bruce A. Macdonald. Peixing Fei did the indentation experiments.",

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PY - 2005/12/15

Y1 - 2005/12/15

N2 - The subsurface damage in ground optical glasses was characterized using the ball-dimple technique. At the same lapping conditions, larger abrasive size introduced deeper subsurface damage, and the surface damage was proportional to the surface roughness. Surface degradation in the ground glasses due to the formation and propagation of the subsurface damage was evaluated using microindentation method. A two parameters empirical equation was used to describe the indentation behavior of the ground glasses. It was found that the nominal near-surface elastic constant decreases with the indentation load, suggesting the propagation and formation of surface cracks during the indentation.

AB - The subsurface damage in ground optical glasses was characterized using the ball-dimple technique. At the same lapping conditions, larger abrasive size introduced deeper subsurface damage, and the surface damage was proportional to the surface roughness. Surface degradation in the ground glasses due to the formation and propagation of the subsurface damage was evaluated using microindentation method. A two parameters empirical equation was used to describe the indentation behavior of the ground glasses. It was found that the nominal near-surface elastic constant decreases with the indentation load, suggesting the propagation and formation of surface cracks during the indentation.

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JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 52-54

ER -

Effect of subsurface damage on indentation behavior of ground ULE™ glass

Abstract

Bibliographical note

ASJC Scopus subject areas

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