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Low-temperature scanning electron microscope analysis of the portland cement paste early hydration

Monteiro, P.J.M. / Bastacky, S.J. / Hayes, T.L.

AbstractThe use of the frozen hydrated scanning electron microscopy (FHSEM) in the study of cement paste is described. This technique permits analysis of the fractured surface of cement paste in a fully hydrated state with water present as ice in a low temperature scanning electron microscope. At 110 K the paste has a substantial increase in mechanical strength, because water is converted from liquid to a solid state, and this permits the use of bulk specimens at very early hydration. Some preliminary results for 1 hour hydration are presented and future applications of this technique are discussed.

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Low-temperature scanning electron microscope analysis of the portland cement paste early hydration

Monteiro, P.J.M. / Bastacky, S.J. / Hayes, T.L.

AbstractThe use of the frozen hydrated scanning electron microscopy (FHSEM) in the study of cement paste is described. This technique permits analysis of the fractured surface of cement paste in a fully hydrated state with water present as ice in a low temperature scanning electron microscope. At 110 K the paste has a substantial increase in mechanical strength, because water is converted from liquid to a solid state, and this permits the use of bulk specimens at very early hydration. Some preliminary results for 1 hour hydration are presented and future applications of this technique are discussed.

Low-temperature scanning electron microscope analysis of the portland cement paste early hydration

Monteiro, P.J.M. / Bastacky, S.J. / Hayes, T.L.

AbstractThe use of the frozen hydrated scanning electron microscopy (FHSEM) in the study of cement paste is described. This technique permits analysis of the fractured surface of cement paste in a fully hydrated state with water present as ice in a low temperature scanning electron microscope. At 110 K the paste has a substantial increase in mechanical strength, because water is converted from liquid to a solid state, and this permits the use of bulk specimens at very early hydration. Some preliminary results for 1 hour hydration are presented and future applications of this technique are discussed.

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Title:

Low-temperature scanning electron microscope analysis of the portland cement paste early hydration

Contributors:

Monteiro, P.J.M. (author) / Bastacky, S.J. (author) / Hayes, T.L. (author)

Published in:

Cement and Concrete Research ; 15 ; 687-693

Publication date:

1985-03-04

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(85)90070-5

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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