做了光学玻璃、砂质页岩和砂岩等材料试样点荷载试验。
The point-load tests were performed for the specimens of optical glass, arenaceous shale and sandstone.
金刚石砂轮广泛用作硬质合金、工程陶瓷、光学玻璃、半导体材料、花岗岩等硬脆难加工材料的磨削工具。
Diamond grinding wheels are widely used as grinding tools in manufacturing of hard and brittle materials, such as hard alloy, engineering ceramics, optical glass, semiconductor materials, and granite.
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.
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