Rock-analog ceramic material for cranny rock experiment and its test piece preparation method
A ceramic material and rock test technology, which is applied in the direction of ceramic forming machines and manufacturing tools, can solve the problems of inability to simulate the change law of rock mechanics and the great difference in physical and mechanical properties of rocks.
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Embodiment 1
[0020] According to the proportion of 60%, 25%, 10%, and 5% by weight, weigh 0.273kg of alumina, 0.113kg of silica, 0.045kg of potassium oxide and 0.023kg of sodium oxide, and the various substances are crushed through coarse crushing and medium crushing. 1. Finely crushing three steps to make 70% of the particle diameter below 10 microns, and drying to make powder. Add 0.045 kg of water according to 10% of the total weight of the four substances, and mix well. put in as figure 1 In the special mold shown, the mold includes a supporting plate 1, a base body 3, an extension body 4 and a piston body 5, the base body 3 is connected to the supporting plate 1 by bolts 2, and the extension body 4 and the base body 3 are connected by threads. During use, the supporting plate 1 is installed on the base of a 100-ton hydraulic press, and the piston body 5 is connected to the pressure head of the press to press the material in the matrix 3 . After pressing and forming, remove the base ...
Embodiment 2
[0023] According to the ratio of 60%, 25%, 10%, and 5% by weight, weigh 0.268kg of alumina, 0.112kg of silica, 0.044kg of potassium oxide and 0.022kg of sodium oxide, and the various substances are crushed through coarse crushing and medium crushing. 1. Finely crushing three steps to make 70% of the particle diameter below 10 microns, and drying to make powder. Add 0.044kg of water according to 10% of the total weight of the four substances, and mix well. put in as figure 1 In the special mold shown, press it into a cylindrical shape with a 100-ton hydraulic press, take it out and dry it at 100°C for 24 hours, then put it directly into the kiln and burn it at 1300°C for 12 hours with a reducing flame. Then stop heating in the kiln and take it out after 12 hours.
[0024] The appearance size of the obtained cylindrical test piece is affected by the shrinkage rate of the material, which is about φ5cm×10cm. After testing, its various physical and mechanical properties are: dens...
Embodiment 3
[0026] According to the ratio of 60%, 25%, 10%, and 5% by weight, weigh 0.266kg of alumina, 0.111kg of silicon dioxide, 0.044kg of potassium oxide and 0.022kg of sodium oxide, and the various substances are crushed through coarse crushing and medium crushing. 1. Finely crushing three steps to make 70% of the particle diameter below 10 microns, and drying to make powder. Add 0.044kg of water according to 10% of the total weight of the four substances, and mix well. put in as figure 1 In the special mold shown, press it into a cylindrical shape with a 100-ton hydraulic press, take it out and dry it at 100°C for 24 hours, then put it directly into the kiln and burn it at 1200°C for 12 hours with a reducing flame. Then stop heating in the kiln and take it out after 12 hours.
[0027] The appearance size of the obtained cylindrical test piece is affected by the shrinkage rate of the material, which is about φ5cm×10cm. After testing, its various physical and mechanical properties ...
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