高温高压下玄武质淬火玻璃的折光率研究

A STUDY ON THE REFRACTIVE INDEX OF QUENCHED BASALTIC GLASSES AT HIGH-PRESSURE AND HIGH TEMPERATURE

在 1.0 0～ 3.50 GPa、150 0～ 170 0℃的温压范围 ,以福建闽清碱性玄武岩 FM- 91为初始物料 ,进行了高温高压熔融实验 ,通过对淬火玻璃的成分和折光率的研究 ,发现压力的改变对折光率的变化有着较大的影响 ,而温度的改变基本不影响折光率 ,并讨论了在成分不变的前提下 。

The melting experiments were carried out at 1.00～3.50 GPa and 1500～1700℃ using FM 91 alkaline basalt as the starting materials and have resulted in products which contain quenched basaltic glasses. The composition and refractive index of the basaltic glasses are determined. It is indicated that the pressure has a great influence on the refractive index and the temperature has almost no influence on the refractive index. The influence and significance on the changes of structures of the basaltic glasses might be caused by pressure and temperature are discussed.