作者：T. Shinmei, M. Ohkawa, A. Borovsky, M. liyama, Chr. Parr

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刊名：refractories world forum

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出版年：2013-08-01

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期：3

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语种：英文

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内容简介

The hydration mechanism of low cement castables has been long investigated but only a limited number of studies focused on specific hydrates are available. This paper will investigate a formation of stratlingite (C2ASH8), which is believed to prevent a conversion of metastable hydrates to the stable C3AH6 in high alumina cement-silica fume systems. The stratlingite formation at 21 °C and 35 °C was confirmed by XRD. Its early formation at higher curing temperature is accelerated by the addition of sodium tripolyphosphate as evidenced by XRD.