木材的微观构造影响其断裂过程。
The microscopic structure of wood also influences wood fracture.
讨论了材料断裂过程的有限元模拟技术。
The paper describes a finite element simulation technique of the crack growth process in the homogeneous or inhomogeneous solids.
试验中观察了单壁碳纳米管束长绳的断裂过程。
The fracture process of the long strands of single-wall carbon nanotubes bundles is observed.
用悬臂梁j积分法研究了结构钢的环境断裂过程。
Using the method of J-integral with cantilever beam specimens, the environmental fracture process of structural steels was studied.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
The blasting damage and fracture process of rock is complicated dynamic evolvement process.
金属切削过程是切削层金属的塑性变形和断裂过程。
Metal cutting is the process of plastic deformation and fracture.
施力点位移的精细测定证明环境断裂过程是连续或准连续的。
The precision measurements of the load-point displacement showed that the process is a continuous or quasi-continuous one.
渗透复合体在断裂过程中可见：裂纹偏转、晶体拔出和穿晶断裂。
In the rupture process of the composite, crack deflexion, crystal evulsion, and rupture through crystal could be observed.
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 substructure and the fracture process of mullite ceramics were studied by TEM and SEM.
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。
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。
The fracture process and interface of the composites were also observed by TEM and SEM.
本文通过研究聚酯纤维表面形态结构的变化来探讨聚酯纤维的断裂过程。
Breaking process of PET fibers is discussed through analyzing changes of surface morphology of PET fibers in this paper.
这方面的深入研究有助于认识断裂过程的复杂性及损伤断裂的物理机理。
These studies on complexity of fracture and physical mechanism of damage fracture are very important.
结合拉伸断口形貌分析，讨论影响铅基复合材料拉伸断裂过程的主要因素。
The main factor which affects on the tensile fracture of the C/Pb composites was given.
提出集料在高强混凝土断裂过程的两种机理，并采用能量观点分析这两种机理；
The paper advances two mechanisms about effect of aggregate during fracture of high strength concrete and adopts the point of energy to analysis of the mechanisms.
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。
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.
断裂过程可区分为四个特征区，相应有表征启裂和稳态裂纹扩展的界限应力强度因子。
The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack init…
断裂过程可区分为四个特征区，相应有表征启裂和稳态裂纹扩展的界限应力强度因子。
The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack initiation and f…
对4种金属材料14个试件受力变形直至断裂过程产生的红外辐射信息进行了实验研究。
The infrared radiation information from 14 specimens in four kinds of metal materials on load which are processed from deformation to rupture, is researched by tests.
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。
Nonlinear fracture behaviors of concrete materials are mainly caused by the cohesive stress along the fracture process zone.
结果表明，在该体系中局部应变速率是联系各种不同断裂过程的纽带，决定着断裂的模式。
It was revealed that local strain rate is a key factor that builds a bridge between different tests, different samples and different cracking processes, and dominates fracture mode.
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。
The present paper explores new and more profound approaches, namely microscopic and nanoscopic fracture mechanics, to unlock the black box of fracture process zones.
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。
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.
确认螺栓机加工不当引起疲劳裂纹的萌生及扩展，加之螺栓受力不均匀加速了疲劳断裂过程。
The results showed that manufacturing defects of the bolt resulted in initiation and propagation of fatigue crack, and uneven loading of the bolt speeded up failure process of fatigue fracture.
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.
通过改变焊缝夏比冲击试样的缺口取向，研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。
By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds.
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 dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.
本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。
This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.
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。
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。
The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.
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