Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.
与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。
Through microscopic analysis of XRD and infrared spectra, when calcium ion is replaced by lithium ion, the lattice spacing of bentonite and the water molecule number in the structure decrease.
经xrd和红外光谱的微观分析，当锂离子置换钙离子后，膨润土的晶格间距减小，结构中的水分子减少。
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