根据Al2O3的结晶习性设计了它的多面体颗粒几何模型, 并利用随机切割系统对已知高径比的颗粒进行仿真切割, 同时通过切出的颗粒截面计算截面的长宽比算术平均值, 从而建立板片状氧化铝颗粒的高径比和其平均截面长宽比的对应关系. 在实际应用中, 可根据测量得到的板片状氧化铝陶瓷材料切面上晶粒截面的平均长径比来查询晶粒的三维参数高径比.
The geometric model of Al2O3 grain is designed based on its crystal character, through randomly slicing the grain model with a given slenderness ratio with the emulation slicing system, the grain random section parameter-aspect ratio can be gotten. Then, the relationship between three-dimensional shape parameter of crystals and its two-dimensional section shape parameter can be established. In practical application, utilizing the relationship, three-dimensional shape of grains can be queried by measuring grains section parameter.
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