Experimental determination of bulk modulus of 14Å tobermorite using high pressure synchrotron X-ray diffraction

Jae Eun Oh; Simon M. Clark; Hans-Rudolf Wenk; Paulo J. M. Monteiro

doi:10.1016/j.cemconres.2011.11.004

Experimental determination of bulk modulus of 14Å tobermorite using high pressure synchrotron X-ray diffraction

Jae Eun Oh, Simon M. Clark, Hans-Rudolf Wenk, Paulo J. M. Monteiro

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Abstract

Using a diamond anvil cell, 14 Å tobermorite, a structural analogue of calcium silicate hydrates (C-S-H), was examined by high-pressure synchrotron X-ray diffraction up to 4.8 GPa under hydrostatic conditions. The bulk modulus of 14 Å tobermorite was calculated, K o = 47 GPa. Comparison of the current results with previous high pressure studies on C-S-H(I) indicates that: (1) the compression behavior of the lattice parameters a and b of 14 Å tobermorite and C-S-H(I) are very similar, implying that both materials may have very similar Ca-O layers, and also implying that an introduction of structural defects into the Ca-O layers may not substantially change in-plane incompressibility of the ab plane of 14 Å tobermorite; and (2) the bulk modulus values of 14 Å tobermorite and C-S-H(I) are dominated by the incompressibility of the lattice parameter c, which is directly related to the interlayer spacing composed of dreierketten silicate chains, interlayer Ca, and water molecules. © 2011 Elsevier Ltd. All rights reserved.

Original language	English (US)
Pages (from-to)	397-403
Number of pages	7
Journal	Cement and Concrete Research
Volume	42
Issue number	2
DOIs	https://doi.org/10.1016/j.cemconres.2011.11.004
State	Published - Feb 2012
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-l1-004021
Acknowledgements: This publication was based on the work supported in part by Award No. KUS-l1-004021, made by King Abdullah University of Science and Technology (KAUST) and by NIST grant 60NANB10D014. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The authors thank Dr. Anthony R. Kampf for providing the tobermorite used in this work.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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10.1016/j.cemconres.2011.11.004

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@article{a2c7b93b017144688d6e2f4d457c6840,

title = "Experimental determination of bulk modulus of 14{\AA} tobermorite using high pressure synchrotron X-ray diffraction",

abstract = "Using a diamond anvil cell, 14 {\AA} tobermorite, a structural analogue of calcium silicate hydrates (C-S-H), was examined by high-pressure synchrotron X-ray diffraction up to 4.8 GPa under hydrostatic conditions. The bulk modulus of 14 {\AA} tobermorite was calculated, K o = 47 GPa. Comparison of the current results with previous high pressure studies on C-S-H(I) indicates that: (1) the compression behavior of the lattice parameters a and b of 14 {\AA} tobermorite and C-S-H(I) are very similar, implying that both materials may have very similar Ca-O layers, and also implying that an introduction of structural defects into the Ca-O layers may not substantially change in-plane incompressibility of the ab plane of 14 {\AA} tobermorite; and (2) the bulk modulus values of 14 {\AA} tobermorite and C-S-H(I) are dominated by the incompressibility of the lattice parameter c, which is directly related to the interlayer spacing composed of dreierketten silicate chains, interlayer Ca, and water molecules. {\textcopyright} 2011 Elsevier Ltd. All rights reserved.",

author = "Oh, {Jae Eun} and Clark, {Simon M.} and Hans-Rudolf Wenk and Monteiro, {Paulo J. M.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-l1-004021 Acknowledgements: This publication was based on the work supported in part by Award No. KUS-l1-004021, made by King Abdullah University of Science and Technology (KAUST) and by NIST grant 60NANB10D014. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The authors thank Dr. Anthony R. Kampf for providing the tobermorite used in this work. This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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doi = "10.1016/j.cemconres.2011.11.004",

language = "English (US)",

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AU - Oh, Jae Eun

AU - Clark, Simon M.

AU - Wenk, Hans-Rudolf

AU - Monteiro, Paulo J. M.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-l1-004021 Acknowledgements: This publication was based on the work supported in part by Award No. KUS-l1-004021, made by King Abdullah University of Science and Technology (KAUST) and by NIST grant 60NANB10D014. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The authors thank Dr. Anthony R. Kampf for providing the tobermorite used in this work. This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2012/2

Y1 - 2012/2

N2 - Using a diamond anvil cell, 14 Å tobermorite, a structural analogue of calcium silicate hydrates (C-S-H), was examined by high-pressure synchrotron X-ray diffraction up to 4.8 GPa under hydrostatic conditions. The bulk modulus of 14 Å tobermorite was calculated, K o = 47 GPa. Comparison of the current results with previous high pressure studies on C-S-H(I) indicates that: (1) the compression behavior of the lattice parameters a and b of 14 Å tobermorite and C-S-H(I) are very similar, implying that both materials may have very similar Ca-O layers, and also implying that an introduction of structural defects into the Ca-O layers may not substantially change in-plane incompressibility of the ab plane of 14 Å tobermorite; and (2) the bulk modulus values of 14 Å tobermorite and C-S-H(I) are dominated by the incompressibility of the lattice parameter c, which is directly related to the interlayer spacing composed of dreierketten silicate chains, interlayer Ca, and water molecules. © 2011 Elsevier Ltd. All rights reserved.

AB - Using a diamond anvil cell, 14 Å tobermorite, a structural analogue of calcium silicate hydrates (C-S-H), was examined by high-pressure synchrotron X-ray diffraction up to 4.8 GPa under hydrostatic conditions. The bulk modulus of 14 Å tobermorite was calculated, K o = 47 GPa. Comparison of the current results with previous high pressure studies on C-S-H(I) indicates that: (1) the compression behavior of the lattice parameters a and b of 14 Å tobermorite and C-S-H(I) are very similar, implying that both materials may have very similar Ca-O layers, and also implying that an introduction of structural defects into the Ca-O layers may not substantially change in-plane incompressibility of the ab plane of 14 Å tobermorite; and (2) the bulk modulus values of 14 Å tobermorite and C-S-H(I) are dominated by the incompressibility of the lattice parameter c, which is directly related to the interlayer spacing composed of dreierketten silicate chains, interlayer Ca, and water molecules. © 2011 Elsevier Ltd. All rights reserved.

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U2 - 10.1016/j.cemconres.2011.11.004

DO - 10.1016/j.cemconres.2011.11.004

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VL - 42

SP - 397

EP - 403

JO - Cement and Concrete Research

JF - Cement and Concrete Research

IS - 2

ER -

Experimental determination of bulk modulus of 14Å tobermorite using high pressure synchrotron X-ray diffraction

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