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

By M. C. Millán and E. Peris Mora

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.<br><br>Se aplican técnicas de difractometría de rayos X para evaluar los tiempos de fraguado de pastas de yeso. Una "observación" directa del fenómeno de cristalización en el momento en que ésta se produce es posible mediante el uso de la radiación adecuada, acorde con la dimensión de lo observado. La observación se lleva a cabo mediante técnicas e instrumentación normales, si bien se proponen algunas modificaciones en el manejo del difractómetro. Se sugiere una nueva posibilidad de aplicación de las difractometrías en trabajos de investigación

Topics: Materials of engineering and construction. Mechanics of materials, TA401-492, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Technology, T, DOAJ:Materials, DOAJ:Technology and Engineering
Publisher: Consejo Superior de Investigaciones Científicas
Year: 1987
OAI identifier: oai:doaj.org/article:db778a9731d844ce86eb92059f272851
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