设计了一个二维脆性玻璃板的破裂模拟实验，以研究脆性介质的破裂传播过程。
A simulation experiment using the fracturing of two-dimensional brittle glass plates is designed to study the propagation process of fracture in a brittle medium.
对研究陶瓷、玻璃等脆性材料的磨削和抛光也具有很好的参考作用。
This paper is also significant for grinding and polishing of other brittle materials such as glass and ceramic.
超声加工是目前加工玻璃、钻石、工程陶瓷等硬度高、脆性大材料的一种比较好的方法。
Today ultrasonic machining is a good method to machine hard and brittle material, such as glass, diamond, engineering ceramics.
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.
阐述了冷冻粉碎技术的原理，研究了低温脆性与玻璃化转变及转变温度的关系；
The principle and process of freeze grinding were analyzed. The relationship between the brittleness and glass transition was discussed.
该腐蚀特点是由玻璃涂层的结构、脆性和制备工艺决定的。
This corrosion characteristic was depend on the structure, brittleness and the preparation procedure of glass coatings.
结果表明：该系统玻璃形成液体从热力学和动力学综合看脆性程度介于强弱之间，为中性偏脆性。
Results show that the degree of fragile of the glass forming liquid in the system is in medium state and slightly more fragile from the viewpoint of thermodynamic fragility and kinetic fragility.
其研究结果对加工玻璃、陶瓷等难加工的脆性材料具有一定的实际意义。
The research result is very useful to direct the cutting of 45 steel and the brittle materials that are very difficult to machine, such as glass and ceramics.
研究结果表明，对于微晶玻璃等脆性材料，其表面粗糙度主要与砂轮的平均磨粒尺寸、砂轮速度、进给量及磨削深度等因素有关。
It is showed that the surface roughness is mainly related with the average grain size and feed per wheel revolution for the brittle materials such as single crystal silicon.
结果表明，玻璃、碳及其混杂纤维复合材料的平面剪切应力-应变曲线均具有非线性特征；在脆性基体中选用混杂结构，其复合材料的剪切性能具有正的混杂效应。
The results shows that the stress-strain curves of the composites were nonlinear and the hybrid fiber composites had a positive hybrid effect when the brittle matrix was used.
瓷质玻化砖磨削表面是由莫来石、玻璃相和残留石英的塑性变形和脆性断裂形成的；
The results show that the ground surface was formed by brittle fracture and plastic deformation of the compositions of ceramic tile, including mullite, g1ass phase and residual quartz.
用可移动元胞自动机数值模拟方法(MCA)对典型脆性材料玻璃球进行了二维数值模拟。
Based on Movable Cellular Automata (MCA), a 2d numerical simulation was conducted on a kind of typical brittle glass balls.
试验结果表明，脆性材料的延性切削模式的实现是由于云母晶体对裂纹走向的引导和玻璃相的强烈的剪切变形能力的共同作用。
The test results show that the mechanism of ductile-mode material removal of the brittle material is attributed to a combination of.
同时玻璃表面存在大量微裂纹，当热应力达到临界值时，在热应力的作用下产生脆性断裂。
Since the surface of glass have many micro-crack, when the thermal stress reach the critical value, thermal breakage occur.
同时玻璃表面存在大量微裂纹，当热应力达到临界值时，在热应力的作用下产生脆性断裂。
Since the surface of glass have many micro-crack, when the thermal stress reach the critical value, thermal breakage occur.
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