Exploring Thin Glass Strength Test Methodologies

Francisco Oliveira Santos, Christian Louter, João Ramôa Correia

    Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

    1 Citation (Scopus)
    66 Downloads (Pure)

    Abstract

    Thin glass is currently widespread in mobile devices and has great potential for applications in buildings. However, presently there is no standard method to determine the strength of thin glass for building applications and there is little experimental data available on its mechanical behaviour. Hence, this paper presents experimental and numerical investigations developed with two main goals: (i) to assess and (eventually) adapt existing test setups in order to determine the strength of thin glass; and (ii) to characterize thin glass using those tests, focusing on the ultimate strength of the material. The experimental programme, which was executed at TU Delft, comprised destructive tests on chemically tempered thin glass (thickness of 2 mm). Two destructive tests were assessed and tentatively improved: the in-plane four-point bending test, which involved many difficulties related with geometrical and mechanical instabilities; and the buckling test, which provided a lower bound for the material strength, as failure was triggered in the supports (due to stress concentrations). Based on the results obtained, a new tension test was proposed and numerically investigated; the results obtained revealed many advantages over the former tests in terms of quality/consistency of results and possibility of standardization.
    Original languageEnglish
    Title of host publicationProceedings of the Challenging Glass Conference 6 (CGC 6)
    Subtitle of host publicationInternational Conference on Architectural and Structural Applications of Glass
    EditorsChristian Louter, Freek Bos, Jan Belis, Fred Veer, Rob Nijsse
    PublisherTU Delft Open
    Pages713-724
    ISBN (Print)978-94-6366-044-0
    DOIs
    Publication statusPublished - May 2018
    EventChallenging Glass 6: International Conference on the Architectural and Structural Application of Glass - TU Delft, Delft, Netherlands
    Duration: 17 May 201818 May 2018
    Conference number: 6
    http://www.challengingglass.com
    http://challengingglass.com/

    Conference

    ConferenceChallenging Glass 6
    Abbreviated titleCGC
    CountryNetherlands
    CityDelft
    Period17/05/1818/05/18
    OtherChallenging Glass is an international bi-annual conference that aims at gathering world class designers, engineers, researchers and industry partners to discuss on the architectural and structural use of glass.
    Internet address

    Keywords

    • thin glass
    • strength
    • material characterization
    • destructive testing
    • numerical modelling

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