混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
Concrete is a typical heterogeneous quasi-brittle material used in engineering, and its fracture process is very complex.
利用超精密磨床磨削加工6种典型的光学玻璃，先从理论上研究了脆性材料脆塑转变的临界值。
In this paper, the typical 6 kinds of optical glasses have been grinding by the ultra-precision grinding, brittle-ductile transition's critical depth of brittle materials is researched theoretically.
作为典型的高硬度脆性材料，其切削复杂，切削过程是一个不连续的过程，而内部微裂纹扩展是导致断裂和产生切屑原因。
As brittle material, the cutting process is complexity, it is in general discontinuous and it is caused by the growth and propagation of the microcracks in Indus trial ceramics.
岩石是典型的非均匀脆性材料，其内部富含各种缺陷，在受载破裂过程中会产生大量的声发射信号。
Rocks were typical inhomogeneous brittle materials with abundant various deficiencies inside and will generate plenty of acoustic emission signals during damage process under loading.
混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
The fracture process and interface of the composites were also observed by TEM and SEM.
混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
The fracture process and interface of the composites were also observed by TEM and SEM.
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