The substructure and the fracture process of mullite ceramics were studied by TEM and SEM.
用透射电镜和扫描电镜研究了莫来石陶瓷的亚结构特征和断裂过程。
The blasting damage and fracture process of rock is complicated dynamic evolvement process.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
The fracture process of the long strands of single-wall carbon nanotubes bundles is observed.
试验中观察了单壁碳纳米管束长绳的断裂过程。
There is a fracture process zone near the crack tip for the tensile strain softening materials.
在应变软化材料的主裂缝尖端存在一断裂过渡区。
The analytical formula for the radius of intermittent zonal fracture process of rock is deduced.
推导了岩石间隔性区域断裂半径的计算公式。
Two dynamic ice force functions were separately set up for the two modes of two-time fracture process in this paper.
本文针对二次断裂进程的两种模式，分别提出了两种模式下柔性锥体结构上的概化冰力函数。
Concrete is a typical heterogeneous quasi-brittle material used in engineering, and its fracture process is very complex.
混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.
本文以金相分析与断裂力学方法研究了主蒸汽管道蠕变破裂过程。
Nonlinear fracture behaviors of concrete materials are mainly caused by the cohesive stress along the fracture process zone.
混凝土裂缝端部断裂过程区的粘聚力分布是导致混凝土断裂呈现非线性特性的重要原因。
The quantitative characterization of the microdefects of rock fracture process has always been the key of CT image analysis.
岩石在断裂破坏过程中微缺陷的定量描述始终是CT图像分析的关键。
The finite element method is used to simulate tensile fracture process of slope with single weak plane under strong earthquake.
用有限元模拟了单一弱面斜坡强震作用下的拉张破裂过程。
Using the method of J-integral with cantilever beam specimens, the environmental fracture process of structural steels was studied.
用悬臂梁j积分法研究了结构钢的环境断裂过程。
The intrinsic mechanism of energy conversion and failure process in the intermittent regional fracture process of rock is discussed.
讨论了岩石间隔性区域断裂过程中能量转化与岩石破坏的内在机制。
The dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.
通过有限元软件LS-DYNA模拟了海冰与JZ20-2NW北高平台相互作用的动态断裂过程。
The results according with other models and laboratory experiments show that the percolation mode is a suitable model for describing rock fracture process.
所得结果与其他模型和实验基本一致，表明通渗模型是描述岩石破裂扩展演化过程的一种较合适的模型。
The law of charge induction of coal in the same mine during the coal deformation and fracture process is studied under different loading rates in laboratory.
通过室内试验，研究同一矿区煤在不同加载速率下的变形破裂过程的电荷感应规律。
The damage and fracture process of the composite are detected by acoustic emission. The experiment proves the simulating structure to be rational and feasible.
用声发射方法检测了复合材料损伤与断裂的全过程，证明了该结构的合理性与可行性。
The fracture process observed by SEM with a dynamic tensile stage showed that the dispersed phase of TLCP could delay and block the propagation of microcracks.
使用带拉伸实验台的扫描电镜观察到了TLCP微纤或微球对微裂纹扩展的阻滞及延缓作用。
The present paper explores new and more profound approaches, namely microscopic and nanoscopic fracture mechanics, to unlock the black box of fracture process zones.
本文探索打开断裂过程区的黑匣子之更深层次的研究——即细观断裂力学与纳观断裂力学。
This fracture process is one of the reasons of the dispersivity of strength for composite and its value is often lower than values calculated with ROM in most cases.
这样的断裂过程正是复合材料的强度具有离散性及往往低于ROM计算值的原因之一。
The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.
应用电子衍衬技术和扫描电镜等手段，对共析珠光体轨钢的微观结构和断裂过程，进行了观察和分析。
Tensile and pressure-shear numerical tests are carried on the concrete specimens with precast cracks, and the tensile fracture and shear fracture process are obtained.
对预制裂纹的混凝土试件进行拉伸、压剪数值试验，得到混凝土拉伸断裂及压剪断裂破坏过程；
Gas decompression wave velocity during the pipeline fracture process was solved by the three-characteristic line method, and the corresponding computer program was developed.
应用三特征线法求解气体减压波速，并开发了相应的计算程序，分析了起始压力、起始温度、不同气体介质和管径对气体减压波速的影响。
In the material with relatively low cross-linking density, extensive fracture process stripe is formed which is induced by the combined stress field near the rubber particles.
在交联密度较低的材料中，在橡胶颗粒附近叠加的应力场诱发下发生纵深度较大的断裂过程。
Supposing the defects as the initial crack, using the theory and testing method of fracture mechanics, the nonlinear fracture process and character of frozen soil are investigated.
把这些缺陷简化为冻土中的初始裂纹，应用断裂力学理论和试验方法，研究冻土的非线性断裂过程和特征。
The fracture morphology of PC, PA6, LDPE is analyzed by using scanning electron microscopy (SEM), and the fracture cause, fracture process and fracture morphology are discussed respectively.
利用扫描电子显微镜观察分析了聚碳酸酯、尼龙6、低密度聚乙烯的微观断裂行为，并对其断裂起因、断裂过程及断裂形态进行了讨论。
The electric potential signal shows a continuously increasing trend in the fracture process of concrete, and there is large increasing in AE rate and electric potential in the main fracture.
在混凝土破裂过程中，电位信号呈连续增大趋势，在主破坏时声发射率和电位信号均有大幅度增加。
Lithology, rock stratum thickness, fracture process, structural stress field, local structure, stratum load and karst process are all main controlling factors for the development of the rift.
岩性、岩层厚度、断裂作用、构造应力场、局部构造、地层负荷与岩溶作用是控制裂缝发育的主要因素。
In the experiments of real-time holographic interferometry, some dark shadow areas appear among the interference fringes. The dark shadow areas play a very important role in the fracture process.
在实时全息干涉计量实验中，当试件负荷甚大时，干涉条纹中会出现一些阴影区，它们在试件破裂过程中起重要作用。
Statistical analysis on size distribution of mineral particle of weathered granite is carried out by using fractal method. The results show that the fracture process of weathering is a fractal one.
利用分形统计的方法，对风化花岗岩矿物成分的粒度分布特征进行了分析和统计，并根据分析的结果指出，岩石的风化破碎过程具有分形特征。
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