材料的断裂主要由主裂纹产生。
The fatigue of material is primarily due to the growth of major cracks.
复合材料的断裂是韧性断裂。
复合材料的断裂形貌为韧窝加沿晶断裂。
The composite displays the fracture features of the dimple and intergranular fracture.
结果表明，螺栓的预紧应力接近材料的断裂强度。
The results suggest that the stress is close to the breaking strength.
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.
本文采用无单元法分析了功能梯度材料的断裂力学问题。
The fracture problem of the functionally graded material (FGM) is analyzed using the element-free method (EFM).
混凝土特别是钢纤维混凝土材料的断裂性能是重要的力学指标。
Fracture performance of Concrete and Fiber Reinforced Concrete is an important mechanical index.
由夹杂转变引起的微开裂与陶瓷材料的断裂和增韧机制密切相关。
The microcracks caused by the transforming inclusions associate closely with the mechanism of fracture and toughness in ceramic materials.
型试样在核反应堆压力容器用材料的断裂韧度测试中具有良好的应用前景。
The W-type specimen has a well prospective application in the measurement of fracture toughness of the materials which are used in the nuclear reactor.
刚玉莫来石材料的断裂在室温下由裂纹扩展控制，在高温下由蠕变机制控制。
The rupture of corundum-mullite materials was controlled by crack at room temperature and creep at high temperature.
本文主要通过理论分析和试验，对脆性材料的断裂机理及断裂方向进行研究。
In this paper, Based on the theory analysis and test, the fracture mechanism and fracture direction of brittle materials are studied.
结合SEM观察结果，判定该材料的断裂模式以颗粒与基材的界面分离为主。
SEM results demonstrated that the main fracture mode of the material is the split between filler and matrix.
这种网络增加了非晶区内的缠结点密度，使材料的断裂伸长率和冲击强度提高；
The web also increases the entanglement density in the amorphous region and thereby has the effect of increasing breaking elongation and impact strength.
只有建立复合材料的桥连动力学模型，才能更好地研究复合材料的断裂动力学问题。
Only, a dynamics model of bridging fiber is built, fracture dynamics problems of composite materials are solved very well.
只有建立复合材料的桥连动力学模型，才能更好地研究复合材料的断裂动力学问题。
If dynamics model of bridging fiber is built, the dynamics problem of composite materials is solved very convenient.
探讨了自生复合材料凝固组织对力学性能的影响以及室温和高温复合材料的断裂机制。
The influence of the microstructure on mechanical property and rupture mechanism of the composite at the room and elevated temperature were discussed.
材料的断裂方式由沿晶脆性断裂转变为沿晶脆性断裂和韧窝韧性断裂的混合断裂方式。
The fracture of the material was diverted from the manner of intergranular brittle fracture to the manner of intergranular brittle fracture with dimple gliding fracture.
考察了复合材料的组织形貌，检测了复合材料的硬度和耐磨性，分析了复合材料的断裂模式。
The structure morphology the hardness and wear resistance of composite have been investigated, and fracture model of the composites has been analyzed.
测试了材料的室温与高温性能；通过SEM动态原位拉伸试验研究了复合材料的断裂过程；
The room temperature and high temperature mechanical properties of the composites were studied, and the fracture behavior of the composite was investigated by in-situ SEM observation.
研究、讨论了聚丙烯纤维体积率与这种材料的断裂能、平均裂纹间距和平均裂纹宽度间的关系。
The relationship between the fracture energy and the cracking space and the cracking wide and the volume percentage of fiber is investigated and discussed.
复合材料的断裂由韧性断裂转变为脆性断裂，但压缩断裂强度随着ZrO2含量的增加而得到提高。
The mode of fracture changed from ductile to fragile for the BMG composites, but the compressive failure strength increased.
本文研究考虑损伤时材料的断裂应力，推导出了在表面能密度有限的情况下，损伤断裂应力的计算公式。
In the case of the limited level density of the material surface energy, the fracture stress and the calculation formula of the engineering damage were studied.
利用SEM等分析测试手段研究了膨胀炭纤维和柔性石墨基体的界面状况，并探讨了复合材料的断裂机理。
The interface of ECF-FGS was also characterized by SEM, and the fracture mechanism of the composite was discussed.
力学性能测试结果表明，随着烧结温度的升高，70W_2B_5/C复合材料的断裂性与维氏硬度均增加。
The mechanical properties results show that the fracture toughness and Vickers hardness of the 70W_2B_5/C composite increase with the sintering temperature.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described 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.
结果表明，在热湿条件下老化结束后，材料的断裂应力、初始模量和断裂比功的损失率分别大于44%、65%和51%；
The results showed the loss rates of stress, initial modulus and breaking work were more than 44%, 65% and 51% after hydrothermal aging test respectively;
本文用SEM和ESCA技术研究了碳纤维增强PEK - C复合材料中纤维和基体间的界面及其复合材料的断裂界面形态。
Interfaces between fibre and matrix in carbon fibre reinforced PEK-C composites and morphology of fracture interfaces of the composites are studied with SEM and ESCA techniques in this paper.
本文用SEM和ESCA技术研究了碳纤维增强PEK - C复合材料中纤维和基体间的界面及其复合材料的断裂界面形态。
Interfaces between fibre and matrix in carbon fibre reinforced PEK-C composites and morphology of fracture interfaces of the composites are studied with SEM and ESCA techniques in this paper.
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