对脆性材料的切割机制进行研究，建立切割冲蚀模型，分析受冲击区的应力。
The mechanism of cutting brittle materials was studied, the impact model was established and the stress of impacting area was analyzed.
应用钻杆失效评估技术研究表明，横向材料冲击功大于80J将避免钻杆内螺纹接头纵向脆性开裂失效。
The drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80J.
辊棒属脆性材料，清理时应避免敲击、撞击、冲击以及其它易产生机械性应力的方法。
The roller is part of brittle material, avoid to use the way in whack, bump, impact and other easily to make mechanical stress.
通过理论分析和系列冲击试验，对高锰钢出现的低温脆性损坏进行了分析研究。
The study of damage of low temperature brittleness on high manganese steel has been carried out by theoretical analysis and a series of impact tests.
用断裂韧度、缺口冲击试验评定钢的脆性倾向。
The brittleness tendency of steel has been assessed with fracture toughness and notch impact tests.
结果表明，FU的加入可明显改善PP低温脆性，提高冲击强度。
The results showed that the low temperature brittleness and impact strength of PP were improved observably by blend with FU.
研究脆性岩石在强冲击载荷下的力学响应持性．采用一级轻气炮驱动的飞片撞击实验技术，测量大理岩试件组成的靶板中的应力脉冲波形；
To study the dynamic response properties of brittle rock under strong impact loading, the stress wave curves were measured using the planar impact technique.
结果表明，精铸热锻模的主要失效形式为热磨损、塑性变形、热疲劳裂纹、冲击疲劳破断和脆性断裂。
The results show that hot-forged cast dies take thermal wear, plastic deformation, thermal fatigue, impact fatigue fracture and brittle fracture as predominant failure patterns.
脆性材料单次冲击和二次冲击或低负荷压缩冲击性能方面有很大的差别。
There is a distinct difference in the strength characteristic of brittle materials between single impact and double impact or slow compression.
与延性材料相比，脆性材料在冲击波压缩条件下表现出许多异常的力学响应特性。
Compared with the ductile materials, brittle materials exhibit some anomalous mechanical properties under the extreme condition of shock wave compression.
混凝土是一种脆性材料，具有较低的抗拉强度、韧性和抗冲击能力。
Concrete is one of the brittle materials, which has low tensile strength, poor toughness and poor impact resistance.
本文以冲击实验和有限元分析研究了韧-脆复合材料结构中脆性材料的破碎问题。
The impact tests and the finite element method are used to investigate the fragmentation of brittle material in a composite structure consisting of PMMA and glass plates.
传统高强素混凝土材料的脆性大、抗冲击性差是影响其实际应用的一个重要因素。
Plain concrete has high brittleness and low shock resistance, so it has difficulty in widespread availability.
皮带下山围岩属典型的高强脆性岩石，具有中等偏强冲击倾向性。
The surrounding rock of the haulage-dip is a typical brittle rock with high strength and is a middle burst-prone mine.
在有冲击地压危险倾向的采区，采用煤层注水措施，改善因瓦斯抽放造成的煤体脆性度增加的状况，可以降低冲击地压危险。
The means of the water injection in coal seam with rockburst tendentiousness can improve the state of coal brittleness increase due to gas-pumping, and rockburst danger may be reduced.
大冲击能、高冲击频率、小冲击间距对于破碎脆性硬岩有较好的效果。
High energy, high frequency and small impact space have good effect on cutting the brittle hard rock.
中锰耐磨铸钢属脆性材料，在非强烈冲击条件下使用，是高锰钢耐磨性的2.45倍，适用于破碎中低硬度的矿石。
Medium-magnesium cast steel is brittle and suitable for crushing low or medium hard ores Its abrasion-resistance is 2.45 as high as that of the high-magnesium steel under non-heavy impact conditions.
中锰耐磨铸钢属脆性材料，在非强烈冲击条件下使用，是高锰钢耐磨性的2.45倍，适用于破碎中低硬度的矿石。
Medium-magnesium cast steel is brittle and suitable for crushing low or medium hard ores Its abrasion-resistance is 2.45 as high as that of the high-magnesium steel under non-heavy impact conditions.
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