Materiales de Construcción, Vol 37, No 208 (1987)

Determination of setting rate in gypsum casting by X-R diffractometry


https://doi.org/10.3989/mc.1987.v37.i208.855

E. Peris Mora
Dep. Ingeniería de la Construcción. Universidad Politécnica. Valencia, Spain

M. C. Millán
Dep. Física Aplicada. Universidad Politécnica. Valencia, Spain

Abstract


X-diffractometry is applied to evaluate the setting time of gypsum pastes. A direct "observation" of the crystalization phenomena, in the moment in which occurs is possible using the proper radiation, in the measure of the dimension what is observed. The observation is developed with normal techniques and instrumentation, however, are proposed some modifications in diffractomete use. Is offered a new possibility in the application of difractometric techniques in investigation works.

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