用电导率电池测量了钠铁磷熔体的电阻率,并分析了相应玻璃的穆斯堡尔谱,计算了铁离子的价态和氧化还原比,分析了温度、时间和氧化钠含量对熔体电阻率和玻璃氧化还原比的影响.发现在Na2O含量低的熔体中,升温和降温过程的电阻率的变化是不可逆的,随着Na2O含量增加,不可逆性消失,熔体的电阻率随时间轻微下降.同时发现Na2O含量低的铁磷熔体的导电机理是电子性的,并用氧化还原比解释了其电阻率-温度曲线的不可逆性.
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