粘土懸濁液の揺変性の測定 : 分散型のレオロジー

概要

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Two measuring methods are mainly used to obtain the thixotropic properties of clay slips. One of these is the method to measure the thixotropic properties by the stress decay, and the other is the hysteresis loop method. The author has already reported the results obtained through the stress decay method, and here in this paper, the results gained from the hysteresis loop method are reported. The results obtained by this method indicate that (1) the hysteresis area, that is, thixotropic behavior, of the clay slips, decreases exponentially with the increase of the water content. (2) the hysteresis area, also, decreases exponentially with the increase of the amount of deflocculant quantity. The thixotropic levels are decided by the method of the stress decay, and the degrees of thixotropic behavior may be obtained by the hysteresis loops, and yet no distinct relation has been found so far between the thixotropic levels and degrees of thixotropy. However, we are obtain the conversing constant between the two quantities experimentally. In this paper, this able to conversing constant are decided using several clay slips.
社団法人日本材料学会の論文
1961-05-15