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对我国浙南温州渡船头伊利石矿的热膨胀性及其机理进行了研究。结果表明，在室温－１３００℃温度区间内，其热膨胀性表现为先收缩后膨胀再收缩的特性，其中在１３００℃之后不同类型矿石的热膨胀性亦不同。伊利石的这种热膨胀性与其在加热过程中晶体结构及物相的变化密切相关。伊利石矿中的铁质杂质矿物对其热膨胀性有很大影响。
The thermal expansivity and its mechanism of Wenzhou Yili ferry in south Zhejiang of China were studied. The results show that at room temperature -1300 ℃ temperature range, the thermal expansion of the first shrinkage after the expansion and contraction characteristics, which after 1300 ℃ different types of ores also have different thermal expansivity. This kind of thermal expansion of illite is closely related to its crystal structure and phase change during heating. Iron ore minerals in illite ore have a great influence on their thermal expansivity.