材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。
The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail.
目前很难对晶须增韧陶瓷复合材料的断裂韧性进行理论计算。
It is very difficult to compute fracture toughness for silicon carbide whisker reinforced ceramic composite theoretically so far.
石墨渗铜材料的断裂韧性与高强石墨相比基本相当，主要是由于铜相与石墨结合强度低而未能发挥铜相增韧的作用。
The results indicate that, the fracture toughness of copper impregnated graphite is not much greater than that of graphite at room temperature, because the liquid copper does not wet the graphite.
认为裂纹顶端存在一个决定裂纹扩展本征区，裂纹扩展是因为本征区的应力应变状态或损伤状态达到材料的断裂韧性才发生的。
And then a concept of critical intrinsic zone of crack propagation is introduced, crack propagation happens when the tress or strain status of the zone reaches to the material critical rupture value.
内应力的分布，对材料宏观力学性能如强度和断裂韧性，都将产生较大的影响。
The distribution of internal stress has large influence on mechanical properties of materials such ay strength and fracture toughness.
本文从理论上讨论了材料断裂韧性与分形维数的关系。
The relationship between the fracture toughness of materials and the fractal dimension value of fractured surfaces was discussed theoretically.
叠层复合是一种新型的复合构型，它具有提高材料断裂韧性和抗弯强度的优异特性，对优化陶瓷的力学性能十分有效。
Laminated composite has a new type structure which is used to improve the fracture toughness and flexure strength, so it is a good material for optimizing the mechanical properties.
陶瓷作为刀具材料的最大弱点是断裂韧性低，脆性大。
Most weak point of the ceramics tool is break, low toughness, high brittleness.
与块体莫来石陶瓷相比，在保证材料强度降低较小的情况下断裂韧性提高了62%。
The fracture toughness of the composite was increased 62% with little decrease of flexure strength when compared with mullite monolithic ceramics.
由于表面热疲劳裂纹的产生，使得材料强度性能损伤大于断裂韧性损伤。
The strength loss is greaser than the fracture toughness loss, because ofthe surface cracks caused. by thermal fatigue.
对热压烧结后材料的硬度、断裂韧性和抗弯强度进行了测试和分析；
The hardness, the fracture toughness and the bending strength of the composites were tested.
研究了在不同等温淬火温度热处理后高硅铸钢的显微组织与残余奥氏体量和材料断裂韧性间的关系。
The influence of austempering treatment on the microstructure, retained austenite and fracture toughness of high silicon cast steel has been studied.
随w含量的增加，复合材料弹性模量、抗弯强度和断裂韧性增大，而硬度减小。
With W content increasing, the elastic module, flexural strength and fracture toughness increase, but the Vickers 'hardness decreases.
应用线弹性断裂力学的弹性能释放率及裂纹扩展阻力等基本概念和理论，建立起确定纤维增强高分子聚合物复合材料断裂韧性的能量方法。
An energy method for determining fracture toughness of fibrous composite laminates was based on the theory of elastic energy release rate and crack-growth resistance in this paper.
实验表明，作者提出的应变强度因子及应变断裂韧性的概念对反映混凝土材料的断裂特性更稳定更具实际意义。
The experimental results show that foe values of strain intensity factor and strain fracture toughness are more stable and useful or determining the thermal fracture property of the concrete.
针对评价中所需要材料的性能数据，对材料做性能测试，测定出材料的拉伸性能、夏比冲击韧性和断裂韧性（COD值）。
Such performances of material as tensile strength, yield strength, Charpy energy and COD fracture toughness are tested in experiment.
相比传统的氧化铝微珠，具有更高的断裂韧性和较低的硬度，是一种代替高岭土球、河砂和铁粒等天然材料研磨介质的经济型和实用型的陶瓷珠。
Compared to the alumina beads, it has a higher fracture toughness and lower hardness. It is an economic ceramic bead to replace Kaolin bead, silica sand and other natural grinding media.
对层板复合材料试验结果的分析表明，设计的测试装置有效，建立的测试方法是对层板复合材料断裂韧性测试的有益尝试，有较大的参考价值。
The representative testing results of laminates show that the equipment is effective and the testing method is a promising attempt, which can be used for reference.
烧结压力越大，复合材料的致密度越高，硬度和断裂韧性越好。
The higher the sintering pressure, the higher the density, the better the properties.
这种方便而有效的新方法对于金属材料焊接接头断裂韧性的实验研究是非常合适的。
The new convenient and effective method is extremely suited for service of the experimental investigation of fracture toughness for metallic mater…
这种方便而有效的新方法对于金属材料焊接接头断裂韧性的实验研究是非常合适的。
The new convenient and effective method is extremely suited for service of the experimental investigation of fracture toughness for metallic mater…
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