细观解理断裂应力主要由临界裂纹的长度决定。
The local cleavage fracture stress is mainly determined by the length of the critical microcrack.
切口试样测得的解理断裂应力明显高于光滑试样。
The cleavage facture stress of notched specimen is much higher than that of smooth specimen.
获得每组标本的最大断裂应力、应变和杨氏模量。
The maximum stress, strain at rupture, and Young modulus were obtained for each group.
曲线半径越小，裂纹长度越大，断裂应力也就越低。
The smaller the curvature and the larger the crack length the smaller will be the fracture stress.
这表明了金刚石涂层可以减少钨丝的断裂应力，提高其机械性能。
It means that diamond coated wire may reduce wire fracture strain and improve its mechanical property.
预测的断裂应力、基体开裂应力和裂纹间距与实测值最大误差在20%以内。
The predicted fracture stress matrix cracking stress and crack spacing just have error less than 20% with the corresponding experimental value.
对于裂隙岩体来说，化学溶液的腐蚀则主要体现在断裂应力的减小和裂隙的增大。
For fracture rock, the fracture stress will be reduced and the crack length will increase under the chemical corrosion.
结果表明，随筛板孔距的增加，其拉伸强度、拉伸屈服应力及拉伸断裂应力均提高；
The results showed that tensile strength, tensile yield stress and tensile breaking stress were increased with the increase of bore distance;
利用纤维作为加强材料增加了塑料或金属的断裂应力，增加了强度，降低了产品的重量。
The use of fibers as reinforcements increases the resistance of the plastic or metal to rupture stress and increases strength while providing a product light in weight.
利用纤维作为加强材料增加了塑料或金属的断裂应力，增加了强度，降低了产品的重量。
Fiber glass is a composite containing a plastic strengthened by the addition of glass fibers.
双态组织的断裂应力随加载速度的上升而增加，微裂纹面密度随加载速度的增加明显下降；
The fracture stress of DP microstructure increased with the increase of displacement speed, and the microcrack density increased with the decrease of displacement speed.
温度对断裂应力和弹性模量的影响也比较明显，高温会导致低的断裂应力和小的弹性模量。
Temperature impacted on the fracture stress and elastic modulus of the material obviously. Elevated temperature will lead to low fracture stress and smaller elastic modulus.
然后研究压剪断裂的力学机理，分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据。
Then, the criteria of hydraulic fracturing of different tensile cracks are discussed. The mechanism and formula for stress intensity factor are put forward.
本文研究考虑损伤时材料的断裂应力，推导出了在表面能密度有限的情况下，损伤断裂应力的计算公式。
In the case of the limited level density of the material surface energy, the fracture stress and the calculation formula of the engineering damage were studied.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
结果表明，在热湿条件下老化结束后，材料的断裂应力、初始模量和断裂比功的损失率分别大于44%、65%和51%；
The results showed the loss rates of stress, initial modulus and breaking work were more than 44%, 65% and 51% after hydrothermal aging test respectively;
指出在相同的钢化程度下，热钢化玻璃的断裂应力随玻璃厚度的增加而提高，而非钢化玻璃的断裂应力并不受玻璃厚度的影响。
It is pointed out that, at the same tempering degree, the fracture strength increases with the increasing of the thickness of tempered glass, but does not for untempered glass.
当裂尖出现纤维裂纹后，韧脆转变机理是：由二相粒子决定的解理断裂应力转变成由晶粒尺寸决定的解理断裂应力。同缺口试样具有相同的临界事件。
The mechanism of ductile-brittle transition was considered as the result of the transition of stress as determined by the second phase particle to that as determined by the ferrite grain.
本文研究了带裂纹混凝土梁的应力腐蚀断裂问题。
Stress corrosion cracking problem of concrete beams with crack is studied in this paper.
生长激素在对抗阻止分解、应力断裂和提高新陈代谢功能中也发挥作用。
Growth hormone also plays a role in fighting tissue breakdown, staving off stress fractures and improving metabolic function.
通过计算证明引起断裂的根本原因是动应力超过了梁的许用疲劳极限，另一原因是梁的结构不合理。
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
应力强度因子(K)：断裂力学中使用的一个因子，说明裂纹尖端处的应力强度。
Stress intensity factor (k). A factor used in fracture mechanics to specify the stress intensity at the tip of a crack.
实质断裂强度性能受到了外加载荷与磨削残余应力的组合应力的制约。
The real fracture strength is restrained by both stresses caused by outside load and residual stresses after grinding.
对于敏感性材料，在低应力水平下也会发生断裂，危险性很大，容易引发承压管道和设备的爆破，造成重大事故。
Sensitive materials under low stress will suffer breakage which brings about large risk explosion of pressure bearing pipe and equipment is easily to be triggered causing major accident.
如果附加弯矩产生的应力过大，螺栓便会断裂。
If the stress produced by the additional bending moment is too large, the bolt will break.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
对脆性陶瓷材料来说，抗弯强度即为横向弯曲试验中样品断裂时的应力。
For the brittle ceramic materials, flexural strengths are determined by the stress at fracture in transverse bending tests.
对脆性陶瓷材料来说，抗弯强度即为横向弯曲试验中样品断裂时的应力。
For the brittle ceramic materials, flexural strengths are determined by the stress at fracture in transverse bending tests.
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