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    Novel Micro-nano Investigative Approach for Analyzing Critical Properties of Lithium Slag Geopolymer Composites

    Access Status
    Fulltext not available
    Embargo Lift Date
    2026-03-19
    Authors
    Javed, Usman
    Date
    2024
    Supervisor
    Faiz Shaikh
    Prabir Sarker
    Type
    Thesis
    Award
    PhD
    
    Metadata
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    Faculty
    Science and Engineering
    School
    School of Civil and Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/94803
    Collection
    • Curtin Theses
    Abstract

    This doctoral thesis explores micro-nanoscale optimization of eco-friendly lithium slag geopolymer (LSG) composites, aiming for safe disposal of lithium slag through geopolymer synthesis. Thermo-mechanical optimisation of lithium slag produced binary LSG composites with C-(N)-A-S-H gel and hydroxy-sodalite crystals attributing strength development. The induced reactivity of lithium slag, along with chemical modifiers, improved the compressive strength of LSG composites. Binary blends of LSG composites have compressive strength over 40MPa, improved corrosion resistance against strong acids, and thermal stability at elevated temperatures; therefore, LSG composites may have applications in various structural configurations.

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    • Microstructural investigation of thermo-mechanically processed lithium slag for geopolymer precursor using various characterization techniques
      Javed, Usman; Shaikh, Faiz ; Sarker, Prabir Kumar (2022)
      Lithium slag is an emerging industrial waste due to the increasing demand for lithium rechargeable batteries attributed to the recent boom in the automobile industry and space exploration. It is extracted as a powder ...
    • Assessment of lithium slag as a supplementary cementitious material: Pozzolanic activity and microstructure development
      Rahman, SM Arifur ; Dodd, Aaron ; Khair, Sanjida; Shaikh, Faiz ; Sarker, Prabir ; Hosan, Anwar (2023)
      In this study, lithium slag was utilised as a supplementary cementitious material (SCM) to develop pozzolanic activity and reduce CO2 emissions related to cement production, with a focus on comprehensive chemical tests ...
    • Microstructural investigation of lithium slag geopolymer pastes containing silica fume and fly ash as additive chemical modifiers
      Javed, U.; Shaikh, Faiz ; Sarker, Prabir (2022)
      Lithium slag is an industrial by-product obtained after lithium extraction from spodumene ore. The higher concentration of sulfate ions (SO4−2) in the form of gypsum/anhydrite makes it a chemically unviable binder. This ...
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