Automated Analysis of Slow Crack Growth in Hydrous Soda-Lime Silicate Glasses

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dc.identifier.uri Kiefer, Philipe Maiwald, Martin Deubener, Joachim Balzer, Robert Behrens, Harald Waurischk, Tina Reinsch, Stefan Müller, Ralf 2022-08-04T08:31:57Z 2022-08-04T08:31:57Z 2020
dc.identifier.citation Kiefer, P.; Maiwald, M.; Deubener, J.; Balzer, R.; Behrens, H. et al.: Automated Analysis of Slow Crack Growth in Hydrous Soda-Lime Silicate Glasses. In: Frontiers in Materials 7 (2020), 268. DOI:
dc.description.abstract To explore the impact of ambient and structural water on static fatigue, the initiation and growth of 3279 Vickers induced median radial cracks were automatically recorded and analyzed. We find that humidity is more efficient in initiating cracks and promoting their growth than water, which is dissolved in the glass structure. In particular for slow crack growth (< 3 × 10–6 m s–1), tests in dry nitrogen showed a considerable decrease in the crack growth exponent with increasing water content of the glasses. On the other hand, if tests were performed in humid air, the crack growth exponent was independent of the water content of the hydrous glasses, while stress intensity decreased slightly. These observations indicate that water promotes the processes at the crack-tip regardless of its origin. However, ambient water is more efficient. eng
dc.language.iso eng
dc.publisher Lausanne : Frontiers Media
dc.relation.ispartofseries Frontiers in Materials 7 (2020)
dc.rights CC BY 4.0 Unported
dc.subject automated analysis eng
dc.subject hydrous glass eng
dc.subject indentation fracture toughness eng
dc.subject slow crack growth eng
dc.subject Vickers indentation eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau ger
dc.title Automated Analysis of Slow Crack Growth in Hydrous Soda-Lime Silicate Glasses
dc.type Article
dc.type Text
dc.relation.essn 2296-8016
dc.bibliographicCitation.volume 7
dc.bibliographicCitation.firstPage 268
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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