The values of the plane strain fracture toughness of the seven home-made high strength steels tested by this method are given.
最后给出了用上述方法测定的七种在给定热处理条件下的国产高强钢的平面应变断裂韧度值。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
平面应变断裂韧性(KIc)：平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
The results show that nitrogen has remarkable influences on rolling contact fatigue life and plain strain fracture toughness, and little influences on wear resistance.
结果表明，含氮量对滚动接触疲劳寿命及平面应变断裂韧性具有很显著的影响，而对耐磨性影响很小。
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.
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。
In this paper, the test results of bending concrete specimens are shown, and the vlues of plane-strain fracture toughness, calculated by four different methods, are compared with one another.
本文，对混凝土弯曲试样进行了测试，并用四种不同的方法进行了平面应变断裂韧性的计算和比较。
So shifting to a forefoot running style, as people do when running barefoot, may lessen your risk for a stress fracture, and up your chances of developing a muscle strain or tendinitis.
这样，虽然当一个人赤脚跑步时已经改变成了前脚掌跑步的姿势，会一定程度减轻骨折的危险，但是会相应的增加肌肉拉伤或者肌腱炎的几率。
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.
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。
The test results shows that AL-liner fracture strain is only 25 % of material ultimate strain.
试验结果表明，铝内衬的极限断裂应变仅为材料极限延伸率的25%。
The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
弹性范围，塑料范围（当材料以不变的应力流动时），应变硬化范围和发生颈缩现象以其断裂终止的范围。
Main fracture occurs in the high gradient area where the strain and gradient are relatively lower.
主破裂发生在应变及其梯度相对都较低的一个高应变梯度区。
The former two types are brittle ones, and the fracture strain of pyrolytic carbon matrix is the controlling factor of the strength.
前两种为脆性断裂方式，热解炭基体的断裂应变是这类材料强度的控制因素。
Introduced in this paper are two fracture critical surfaces of three dimensional mixed mode obtained from the theory of strain energy density factor and the theory of maximum tensile strain.
本文对按应变能密度理论和最大拉应变理论所推导出的两个三维复合型断裂临界曲面作了简要介绍。
The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.
在高应变率下，断裂应变能密度主要由初始弹性模量和失稳应变共同决定，受温度效应和应变率效应的综合影响。
The SCC is a delayed failure, it means the crack initials and propagates at a slow strain rate until the stress reaches the fracture strength.
应力腐蚀开裂是一种延迟失效，它意味着裂纹的缩写，并在一个缓慢的应变率传播，直到应力达到断裂强度。
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。
It is conducted an experimental study on the damage and fracture characteristics of notched concrete beams with two groups of different depths by ultrasonic technology with strain gauge technique.
利用超声波技术并辅以电测法，对两组不同开口深度混凝土缺口梁的损伤断裂特性进行了试验研究。
The fracture of the electronic components is predicted through Comparing the experimental data of strain energy release rate.
对比能量释放率的试验数据，对电子元件的断裂进行了预测。
Strain gages were placed distal to the fracture site to monitor fragment strain. A linearly variable differential transformer measured lateral displacement of the proximal femur.
“应变计”被放在骨折部位的远端来监测折端压力，并用一个直线变量的“插接变量器”来测量近端股骨的侧方移位。
The exact solution of linear elastic fracture mechanics is suggested in this paper and the plastic zone of crack tip is calculated under the condition of strain-hardening of material.
本文从线弹性断裂力学的精确解出发，在考虑材料强化影响的情况下，计算出裂纹前缘的塑性区。
By use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied.
运用超动态应变测试技术、超声波检测仪对层状复合岩体的爆破损伤破坏机理和破坏过程进行了实验研究。
With the compliance changing rate method, the crack initiation time and the dynamic fracture toughness of CFRP and GFRP laminates were obtained at two kinds of strain rates separately.
利用柔度变化率方法确定起裂时间，分别得到在两种加载速率下CFRP、GFRP层板的动态断裂韧性。
The results show that there are great differences in the stress of roadway surrounding rock, and the stress and strain in coal pillar while the fracture line of main roof locates in different places.
研究表明，基本顶断裂线位于不同位置时，巷道围岩应力、煤柱应力及应变差异较大。
Objective To study the effect of the number of screws on the bending stiffness and dynamic compression plate (DCP) strain in a transverse fracture model in vitro.
目的研究体外模拟横断骨折模型中螺钉数量对动力加压钢板(DCP)应变和弯曲刚度的影响。
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
结果表明：该合金的室温压缩变形过程表现为弹性和塑性变形，弹性应变很大，可达到2%。
All specimens′ fracture strain are less than 0.6%, it can not relax stress concentration at notch.
高温和室温的拉伸断裂应变小于0 .6 % ，不能有效地松弛材料切口处的应力集中。
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。
Using the theory of damage mechanics and fracture mechanics, the damage tensor, effective stress tensor and damage strain, etc. of rock mass are defined, propagation equation of damage is developed.
运用损伤力学以及断裂力学理论，定义了岩体损伤张量、有效应力张量、损伤应变等，建立了损伤演化方程，从而建立了多裂隙岩体的损伤断裂模型。
Meanwhile, strain hardening capacity of FSW joint in cooling water also enhances, and the tensile fracture presents the characteristic of microporous polymeric fracture.
接头的应变硬化能力增强，拉伸断口呈现出微孔聚合型断裂特征。
Meanwhile, strain hardening capacity of FSW joint in cooling water also enhances, and the tensile fracture presents the characteristic of microporous polymeric fracture.
接头的应变硬化能力增强，拉伸断口呈现出微孔聚合型断裂特征。
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