It has been proved by means of fracture analysis.
它已为断裂分析方法所证实。
The second part concerns about the fracture analysis of cracked metalic structures.
座舱盖玻璃撞击损伤的断裂分析，第六章。
The validity of the results of linear elastic fracture analysis, when the plastic regi…
讨论了有塑性区存在时，由线弹性分析所得结果的适用程度。
The validity of the results of linear elastic fracture analysis, when the plastic region exists, i…
讨论了有塑性区存在时，由线弹性分析所得结果的适用程度。
In engineering fracture analysis, random boundary imperfections as notches or cracks are common and important.
在工程断裂分析中任意边界缺陷如缺口或裂纹群是常见和重要的情况。
Fracture analysis of screw fastener was carried out by means of metallography and scanning electron microscope.
采用光学显微镜、扫描电镜等测试手段，对断裂紧固螺钉进行了分析。
The sliding crack model has been widely applied in the damage and fracture analysis of the rock-like materials.
滑动裂纹模型被广泛应用于岩石类材料压剪断裂分析及损伤分析。
Tensile testing, fracture analysis, microstructure analysis, hardness test were carried out on the welded joint.
对焊接接头进行了拉伸强度测试、断口分析、金相组织分析、显微硬度分析。
By the fracture analysis and metallographic analysis, we obtained the spall fracture mechanism at different strain rate.
对回收的样品进行了断口分析和金相分析，从宏微观角度分析了无钴合金在不同应变率下的断裂机制。
All of equations derived in this paper are very important for engineers doing fracture analysis of composite structures.
这些公式对航天复合材料板受弯断裂分析时非常重要。
Those equations are very important and useful for engineers doing fracture analysis or experiment studies in composites…
这些公式对工程师们在复合材料结构的研究中进行断裂分析或实验研究是非常重要而有用的。
The fracture analysis was made by means of microstructure, macrostructure, SEM, chemical composition, stress measurement and calculation.
采用宏、微观、扫描电镜、化学分析、应力测定及计算等方法对断裂螺母进行了分析。
Mechanical properties of composite PP were tested, and also fracture analysis, XRD analysis; DSC analysis had been done to the composite PP.
对PP复合材料进行力学性能测试、断口形貌观察、XRD结构分析、DSC热分析等分析。
Based on the fracture site investigation and macro-rod fracture analysis, the welding rod fracture occurred in the vicinity of the weld fusion line.
通过对最近的一次断裂拉杆现场调查和宏观断口分析，发现断裂发生在拉杆的补焊焊缝熔合线附近。
In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.
对燃气轮机二级动叶片失效件进行了化学成分分析、金相组织观察、晶粒度测定、夹杂物检查及断口分析。
The research methods and main conclusions of FGMS fracture analysis are reviewed from the aspects of asymptotic fields near the crack tip and crack expansibility.
从裂纹尖端应力场和裂纹扩展两个方面，阐述了功能梯度材料弹性断裂分析的研究方法和主要结论。
The application and research of sound emission techniques in the fatigue fracture analysis of structuaral members on railway cars are discussed in the end of paper.
最后对声发射技术在车辆构件疲劳断裂分析中的应用研究进行了探讨。
This paper dealt with tensile damage of the reinforced PTFE through detecting by acoustic emission technique and fracture analysis with scanning electron microscope.
采用声发射技术监测填充聚四氟乙烯的拉伸损伤过程，结合扫描电镜进行断口分析。
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
The study results could be used in the probability fracture analysis and construction quality control of interface between coarse aggregate and hardened cement mortar.
通过断裂韧性分布特性的研究，将为粗骨料与硬化水泥浆体界面概率断裂分析与施工控制提供了参考依据。
After summing up the results of fracture analysis and practical statistics, the critical crack size of the cylinder liner is determined. It may serve as a theoretic...
综合断裂分析和运用统计的结果，给出了裂纹活塞运用的临界尺寸，从而为延长柴油机的使用寿命提供了理论依据。
These fundamental solutions may be applied to linear elastic fracture analysis and consequently they provide a new and effective approach to solve this kind of problem.
这些基本解可以用于线弹性断裂分析，为求解这类问题提供了新的有效途径。
In the elastoplastic fracture analysis for pipelines steel X60, J-A2 two parameter approach was adopted to predict the failure pressures of pipelines with surface cracks.
在对X60管钢弹塑性断裂分析中，采用J - A2双参数方法来预测带表面裂纹管道的破坏压力。
New concept of two critical angles was suggested to fracture analysis of a slanted crack. A discussion was especially made of the material choice for small slant angle experiment.
本文提出并应用两个临界角的概念对斜裂纹断裂问题，特别是有关试验的选材问题进行了讨论；
Fracture analysis of the fan shaft was made by observing macroscopic and microscopic appearances of the crack, and examining micro hardness and chemical composition of the material.
通过观察断裂风机轴裂纹宏观和微观形貌，检验化学成分、显微硬度等方法对风机轴断裂的原因进行了分析。
The impact test and SEM fracture analysis were carried on for AZ80 magnesium alloy after different temperature ageing, and the effects of ageing on impact property were investigated.
采用冲击试验和断口形貌分析对经不同温度时效处理后的AZ80镁合金冲击性能进行了分析。
The fractal geometry and its application in fracture analysis are discussed in this paper. Problems existing in this area and possible approaches to the problems are also put forward.
论述了分形几何的方法及在断口分析中的应用，提出了该领域存在的问题及应努力的方向。
Some in-site vibrating test and metal fracture analysis have been done to reveal that the crack of the U-shaped bolts is fatigue failure and some reference for designer is put forward.
结合桥梁—人行道系统的现场振动测试和螺栓试样断口分析结果，指出既有桥上发生的U型螺栓破断属于疲劳破坏，并提出了改进意见。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
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