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title: "Structure and Kinetics of Formation of the Gel Phase in Hydrated Tricalcium Silicate • CBPF Index"
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**Physics Note****Published**

# **Structure and Kinetics of Formation of the Gel Phase in Hydrated Tricalcium Silicate**

**Dimas R. Vollet; A. Craievich**

1986

[**Download PDF **0.4 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb7c7/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=Structure%20and%20Kinetics%20of%20Formation%20of%20the%20Gel%20Phase%20in%20Hydrated%20Tricalcium%20Silicate)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>Dimas R. Vollet; A. Craievich</dd>

<dt>Type</dt>
<dd>Physics Note</dd>

<dt>Status</dt>
<dd>Published</dd>

<dt>Publication date</dt>
<dd>1986</dd>

<dt>Description</dt>
<dd>The hydration of tricalcium silicate has been studied by small-angle X-ray scattering (SAXS) at different temperatures. The degree of hydration was determined by quantitative X-ray diffraction analysis (QXDA). The kinetics of setting of the pastes is well described by the Johnson-Mehl equation with n=2, suggesting that the scattering objects (hydrated regions) grow by a diffusion controlled mechanism and have a shape of plates of constant thickness. Features of the SAXS curves from samples, in saturated conditions, are consistent with the lamellar model for the structure of the C-S-H gel.</dd>

<dt>Year</dt>
<dd>1986</dd>

<dt>Number</dt>
<dd>CBPF-NF-004/86</dd>

<dt>Linked to a thesis</dt>
<dd>No</dd>

<dt>Linked to a grant</dt>
<dd>No</dd>

</dl>

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