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  • Potential of green ceramics waste for alkali activated foams [Elektronski vir]
    Horvat, Barbara, 1981- ; Ducman, Vilma
    The aim of the paper is to research the influence of foaming and stabilization agents in the alkali activation process of waste green ceramics for future low cost up-cycling into lightweight porous ... thermal insulating material. Green waste ceramics, which is used in the present article, is a green body residue (non-successful intermediate-product) in the synthesis of technical ceramics for fuses. This residue was alkali activated with Na-water glass and NaOH in theoretically determined ratio based on data from X-ray fluorescence (XRF) and X-ray powder diffraction (XRD) that was set to maximise mechanical properties and to avoid efflorescence. Prepared mixtures were compared to alkali activated material prepared in theoretically less favourable ratios, and tested on the strength and density. Selected mixtures were further foamed with different foaming agents, that are Na-perborate (s), H2O2 (l), and Al (s), and supported by a stabilization agent, i.e., Na-dodecyl sulphate. The goal of the presented work was to prepare alkali activated foam based on green ceramics with density below 1 kg/l and compressive strength above 1 MPa.
    Vir: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 12, no. 21, 2019, str. 1-30)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2019
    Jezik - angleški
    COBISS.SI-ID - 2489447

    Povezava(-e):

    https://www.mdpi.com/1996-1944/12/21/3563
    DiRROS - Digitalni repozitorij raziskovalnih organizacij Slovenije
    DOI

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