Tribological investigations of the glass‐to‐metal contact during glass forming at an industrial scale

Orzol, D.; Roos, Christian; Wondraczek, Lothar

doi:10.1111/ijag.15918

Cited by 1 publication

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References 12 publications

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“…However, additionally considering that the gallium‐quenched reference samples experienced only single‐side quenching due to floating on the gallium bath instead of being fully immersed, this estimate provides a guide for the lower limit of the achievable heat transfer coefficient which is of the order of 10 3 ‐10 4 Wm −2 K −1 . This resembles what is normally achieved at glass‐metal contacts in glass forming 34‐38 …”

Section: Resultssupporting

confidence: 72%

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Thermal strengthening of low‐expansion glasses and thin‐walled glass products by ultra‐fast heat extraction

Sajzew

Wondraczek

2021

J. Am. Ceram. Soc.

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Mechanical performance and consumer product safety have been major drivers for glass research and innovation. Commodity glass materials are brittle and, thus, their mechanical performance is extremely sensitive to the presence of microscopic flaws and defects at their surface: the extent by which surface flaws reduce the practical strength of glass products exceeds the effect of any optimization in glass composition by several orders of magnitude. 1 Strength-reducing flaws are created already during glass manufacture 2,3 : the intrinsic strength levels which are expected from theoretical considerations can be approached experimentally only on carefully drawn glass fibers which are basically free of microscopic defects. 4,5 For other types of glass products, processes such as acid-or fire-polishing are often applied in order to create defect-free surfaces. Such post-processing does not only reduce the presence of surface defects or flaws on pristine glass articles, but may also lead to a more persistent enhancement of product durability by generating surface gradients in chemical composition, mass density and residual stress.The most prominent post-processing methodologies for enhancing the strength of glass products rely on diffusive

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Section: Resultssupporting

confidence: 72%

“…This resembles what is normally achieved at glass-metal contacts in glass forming. [34][35][36][37][38] 4.2 | Thermal strengthening in liquid gallium…”

Section: Estimation Of Quenching Ratesmentioning

confidence: 99%

Thermal strengthening of low‐expansion glasses and thin‐walled glass products by ultra‐fast heat extraction

Sajzew

Wondraczek

2021

J. Am. Ceram. Soc.

Self Cite

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show abstract

Tribological investigations of the glass‐to‐metal contact during glass forming at an industrial scale

Abstract: This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as

Cited by 1 publication

References 12 publications

Thermal strengthening of low‐expansion glasses and thin‐walled glass products by ultra‐fast heat extraction

Thermal strengthening of low‐expansion glasses and thin‐walled glass products by ultra‐fast heat extraction

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