Microstructure modification of carbonated cement paste with six kinds of modern microscopic instruments

Jiande Han; Yu Liang; Wei Sun; Weiqing Liu; Shuguang Wang

doi:10.1061/(ASCE)MT.1943-5533.0001210

Microstructure modification of carbonated cement paste with six kinds of modern microscopic instruments

Jiande Han, Yu Liang, Wei Sun, Weiqing Liu, Shuguang Wang

School of Civil Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The authors studied the solid-phase composition and morphology, pore structure, damage, and deterioration of microstructure, and nano-mechanical properties of cementitious materials in accelerated carbonation reaction. The solid-phase composition and morphology were investigated by X-ray diffraction (XRD), thermal gravimetric and differential scanning calorimetry (TG-DSC), and environmental scanning electron microscopy (ESEM). The characteristic of pore structure was obtained by mercury intrusion porosimetry (MIP) tests. Furthermore, the damage deterioration of microstructure was detected by X-ray computed tomography (XCT). Finally, the nano-mechanical properties were investigated by nanoindentation. These microstructure parameters have paved more precise way for the carbonation model.

Original language	English
Article number	04014262
Journal	Journal of Materials in Civil Engineering
Volume	27
Issue number	10
DOIs	https://doi.org/10.1061/(ASCE)MT.1943-5533.0001210
State	Published - 1 Oct 2015

Keywords

Accelerated carbonation
Cementitious materials
Damage deterioration
Nanomechanical properties
Pore structure
Solid phase

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10.1061/(ASCE)MT.1943-5533.0001210

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title = "Microstructure modification of carbonated cement paste with six kinds of modern microscopic instruments",

abstract = "The authors studied the solid-phase composition and morphology, pore structure, damage, and deterioration of microstructure, and nano-mechanical properties of cementitious materials in accelerated carbonation reaction. The solid-phase composition and morphology were investigated by X-ray diffraction (XRD), thermal gravimetric and differential scanning calorimetry (TG-DSC), and environmental scanning electron microscopy (ESEM). The characteristic of pore structure was obtained by mercury intrusion porosimetry (MIP) tests. Furthermore, the damage deterioration of microstructure was detected by X-ray computed tomography (XCT). Finally, the nano-mechanical properties were investigated by nanoindentation. These microstructure parameters have paved more precise way for the carbonation model.",

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AU - Han, Jiande

AU - Liang, Yu

AU - Sun, Wei

AU - Liu, Weiqing

AU - Wang, Shuguang

PY - 2015/10/1

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N2 - The authors studied the solid-phase composition and morphology, pore structure, damage, and deterioration of microstructure, and nano-mechanical properties of cementitious materials in accelerated carbonation reaction. The solid-phase composition and morphology were investigated by X-ray diffraction (XRD), thermal gravimetric and differential scanning calorimetry (TG-DSC), and environmental scanning electron microscopy (ESEM). The characteristic of pore structure was obtained by mercury intrusion porosimetry (MIP) tests. Furthermore, the damage deterioration of microstructure was detected by X-ray computed tomography (XCT). Finally, the nano-mechanical properties were investigated by nanoindentation. These microstructure parameters have paved more precise way for the carbonation model.

AB - The authors studied the solid-phase composition and morphology, pore structure, damage, and deterioration of microstructure, and nano-mechanical properties of cementitious materials in accelerated carbonation reaction. The solid-phase composition and morphology were investigated by X-ray diffraction (XRD), thermal gravimetric and differential scanning calorimetry (TG-DSC), and environmental scanning electron microscopy (ESEM). The characteristic of pore structure was obtained by mercury intrusion porosimetry (MIP) tests. Furthermore, the damage deterioration of microstructure was detected by X-ray computed tomography (XCT). Finally, the nano-mechanical properties were investigated by nanoindentation. These microstructure parameters have paved more precise way for the carbonation model.

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KW - Cementitious materials

KW - Damage deterioration

KW - Nanomechanical properties

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Microstructure modification of carbonated cement paste with six kinds of modern microscopic instruments

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