Rheological area division method for coupling process parameters to fabricate geopolymer foams with optimized pore structures and mechanical strength

Zhang, Xuhao; Zhang, Xiao; Cheng, Rui; Ma, Minghui

doi:10.1016/j.cemconcomp.2024.105453

Cement and Concrete Composites

2024

DOI: 10.1016/j.cemconcomp.2024.105453

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Rheological area division method for coupling process parameters to fabricate geopolymer foams with optimized pore structures and mechanical strength

Xuhao Zhang,

Xiao Zhang,

Rui Cheng

et al.

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2024

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Cited by 3 publications

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A multifunctional barium-modified geopolymer foam for the efficient and flexible treatment of high-sulfate coal mine drainage

Zhang,

et al. 2024

Chemical Engineering Journal

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A multifunctional barium-modified geopolymer foam for the efficient and flexible treatment of high-sulfate coal mine drainage

Zhang,

et al. 2024

Chemical Engineering Journal

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A comparative study of porous geopolymers synthesized by pre-foaming and H2O2 foaming methods: Strength and pore structure characteristics

Yan,

Shi,

Zhang

et al. 2024

Ceramics International

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Facile preparation and properties of foamed fly‐ash/slag‐based hollow glass microspheres/geopolymer composites

Yan,

He,

Zhang

et al. 2024

Int J Applied Ceramic Tech

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In order to reuse the multiple solid waste and improve the porosity of geopolymer composites, a unique foaming process was developed to fabricate novel green foamed fly‐ash/slag‐based hollow glass microspheres/geopolymer (HGMs/FSGP) composites. A thorough investigation was carried out on the synergic effects of cetyltrimethylammonium bromide (CTAB), hydrogen peroxide (H2O2) and HGMs on the microstructure, strength and thermal conductivity. Results showed that the foamed HGMs/FSGP composites with the amorphous structure could be fabricated by foaming combined with HGMs at room temperature. The density of the samples changed from 1.16 to 0.47 g/cm3 with 1–5 wt.% H2O2. The acceptable compressive strength (0.71–15.05 MPa) of the HGMs/FSGP composites was attributed to the fractured HGMs, the good bond between HGMs and geopolymer matrix, and crack deflection across the HGMs. With proper H2O2 and HGMs, the composites obtained their lowest thermal conductivity of 0.116 W/(m⋅K), which could find use in insulation fields.

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Rheological area division method for coupling process parameters to fabricate geopolymer foams with optimized pore structures and mechanical strength

Cited by 3 publications

References 53 publications

A multifunctional barium-modified geopolymer foam for the efficient and flexible treatment of high-sulfate coal mine drainage

A multifunctional barium-modified geopolymer foam for the efficient and flexible treatment of high-sulfate coal mine drainage

A comparative study of porous geopolymers synthesized by pre-foaming and H2O2 foaming methods: Strength and pore structure characteristics

Facile preparation and properties of foamed fly‐ash/slag‐based hollow glass microspheres/geopolymer composites

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