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다차원 탄소재료 연구단
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Surface residual stress in soda-lime glass evaluated using instrumented spherical indentation testing

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Title
Surface residual stress in soda-lime glass evaluated using instrumented spherical indentation testing
Author(s)
Ahn, SM; Sun-Young Park; Kim, YC; Lee, KS; Ju-Young Kim
Publication Date
2015-12
Journal
JOURNAL OF MATERIALS SCIENCE, v.50, no.23, pp.7752 - 7759
Publisher
SPRINGER
Abstract
Instrumented spherical indentation testing is proposed as a non-destructive way to evaluate surface residual stress in soda-lime glass. 10 mu m-deep indentations with a spherical indenter of 250 mu m radius do not reduce the strength of 3.5-mm-thick soda-lime glass as measured in four-point bending tests. We find good linearity between the compressive surface residual stress and the force difference at maximum indentation depth in the indentation force-depth curve, while hardness as measured by instrumented spherical indentation testing is independent of compressive surface residual stress introduced by bending and strengthening heat treatment. © Springer Science+Business Media New York 2015
URI
https://pr.ibs.re.kr/handle/8788114/2223
ISSN
0022-2461
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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