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 fracture cause of a rolling ring of a rotary kiln was studied through a stress analysis and some improvements were proposed.
通过对回转窑滚圈的应力分析，探讨了其断裂的原因，并提出了相应的改进措施。
The analysis of mechanical model shows that the fracture toughness is improved by residual compressive stress of substrate surface, which resists the tensile deformation of substrate.
力学模型分析表明，基体残余压应力以抵抗基体拉伸变形的方式提高了铬层的断裂韧性；
Through the analysis of test results and stress fields, the change of metal materials' ductile fracture mode with different stress condition parameters are discussed.
通过试验结果与应力场分析，讨论了不同应力状态参数下，金属材料韧性断裂形式的变化规律。
The design mainly involves the analysis of the stress, fatigue, thermal ratchet and fracture mechanics, the analysis of flow-induced vibration of the internals and the test verification.
主要涉及的内容包含每个设备部件的应力、疲劳、热棘轮、断裂力学分析和内部构件流致振动分析以及试验验证等。
The toughening mechanism of ADI was investigated by microstructure analysis and fracture characteristics of the specimens under tensile test. contact fatigue and stress fatigue.
通过奥贝球铁的单调拉伸加载、接触疲劳和应变疲劳等宏观断裂规律和微观分析，探讨其强韧化机制。
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。
Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chip seal under different conditions.
基于断裂力学和有限元原理，计算分析了纤维沥青碎石封层路面结构在不同条件下的应力强度因子。
A stress analysis was made on longitudinal and transverse, members of a truck frame, and the reasons of fracture of members in service were isolated.
本文从车架纵梁和横梁各个方面引起的应力分析车架断裂的原因。
Analysis has been made on the fracture, material properties, assem-bling stress, stress concentration and etc. in order to find the cause of the rupture.
为查明活塞裙破断的原因，对活塞裙的断口、材质、装配应力、应力集中情况等进行了分析研究。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete (HSC) compress shear member's cracking stress, a corresponding model is established in this paper.
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中，建立相应的计算力学模型。
Blade fracture location is match to the position of maximum stress derived from the static analysis, so try to reduce stress concentration increases the intensity of the blade is critical.
本文研究的叶片的断裂位置与静力分析所求出的最大应力位置吻合，因此设法减小该位置的应力集中情况对于提高叶片的强度很关键。
The macro and micro analysis of fracture indicates that it produces fracture because it doesn′t avoid welding stress in time.
根据断口的宏、微观形貌，认为油管焊接后未及时消除焊接应力，产生了淬硬裂纹；
There are two analysis methods of hydraulic fracture: effective stress method and total stress method. Their computation results are quite different.
水力劈裂的常用计算方法分有效应力法和总应力法，但其计算结果却常有很大差异。
In this paper, the problem of stabilization for soil slopes is studied by tracking analysis with the finite element method, the redistribution of stress around the fracture element is considered.
本文采用有限元追踪分析方法，考虑破裂点的应力迁移，对土坡稳定这一传统问题进行了研究。
Through static, modal and crack stress intensity factor analysis, the vibration stress of blade under rotating state before fracture can be calculated out finally.
然后采用有限元数值计算方法对叶片进行静力分析、模态分析及裂纹应力强度因子计算，最后反推出叶片在旋转状态下振动应力值的大小。
Furthermore, not only a field of stress in order to make the analysis of the fracture mechanics is given and but also the reliable data for designing the similar rollers one provided.
为进一步对它进行断裂力学分析提供了足够的应力场，也为同类型轧辊的设计提供了可靠依据。
Furthermore, not only a field of stress in order to make the analysis of the fracture mechanics is given and but also the reliable data for designing the similar rollers one provided.
为进一步对它进行断裂力学分析提供了足够的应力场，也为同类型轧辊的设计提供了可靠依据。
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