Fracture toughness requirements.
断裂韧性要求。
The optimum match between fracture toughness and tensile strength was obtained.
钢的抗张强度和断裂韧度达到最佳配合。
Their density, hardness, flexural strength and fracture toughness were measured.
测定了密度、硬度、抗弯强度、断裂韧性等性能指标。
The specimen size requirements of determining fracture toughness are also presented.
提出了断裂韧性测试中必须注意的试样尺寸要求。
The relationship between fracture toughness and crystal orientation hasbeen also examined.
断裂韧性与晶体学取向的关系亦作了分析。
So the method and steps of the testing for the plane fracture toughness K IC are explained.
所以本文将介绍平面应变断裂韧度KIC的测试试样、方法及步骤等。
The graphite globularity quality of ductile iron with fracture toughness has been discussed.
研究石墨球化质量对球墨铸铁断裂韧性的影响。
Fracture toughness against pressurised thermal shock, do you know what a pressurised thermal shock is?
对抗高压热冲击的断裂韧性，你们知道什么是高压热？
Fracture toughness of both shielded metal arc welding and gas metal arc welding is almost the same.
焊条电弧焊焊缝的断裂韧性与气体保护焊焊缝的断裂韧性相当。
An experiment on dynamic rock fracture toughness test using edge-notched disc specimen is presented.
提出用边切槽圆盘试样测量岩石动态断裂韧度的实验方法。
Many alloys also have high fracture toughness, which means they can withstand impact and are durable.
许多合金还具有高断裂韧性，这意味着它们能经得起冲击并且是耐用的。
The results show that the fracture toughness of Cr-coatings is improved by laser quenching substrate.
结果表明，激光淬火处理基体可以提高镀铬层的断裂韧性。
The stable reverted austenite formed during heat treatment would be positive to the fracture toughness.
热处理形成的稳定的逆转变奥氏体对断裂韧度起到积极作用。
The result shows that the dynamic fracture toughness is affected by both the loading rate and the specimen size.
测试结果表明，岩石的动态断裂韧度同时受到加载率效应和尺寸效应的影响。
According to empirical equation between the Charpy impact energy and fracture toughness to estimate is common method.
常用的做法是根据管材的冲击韧性与断裂韧性之间的关系式进行估算。
The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail.
材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。
The strength loss is greaser than the fracture toughness loss, because ofthe surface cracks caused. by thermal fatigue.
由于表面热疲劳裂纹的产生，使得材料强度性能损伤大于断裂韧性损伤。
From the view point of material selection, we analyzed their dynamic fracture toughness and crack propagation resistance.
从选材角度对比分析了几种铝合金的动态断裂韧性及裂纹扩展阻力。
The fatigue life in different initial crack sizes and different fracture toughness was compared, and an example was given.
还比较了不同初始裂纹尺寸和断裂韧性对疲劳寿命的影响，并给出了算例。
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。
Evaluation of fracture toughness of the alloy steel by the JR resistance curve shows the influence of heat treatment technology.
应用所得JR阻力曲线对合金钢的断裂韧度的评定表明了热处理工艺的影响。
At a certain fracture toughness value, fracture probability of weldments increases with increase of the local brittle zone size.
在一定的断裂韧度前提下，随着局部脆性区尺寸的增加，焊接热影响区的脆断概率增加。
Effects of mechanical heterogeneity on fracture toughness and crack deviation Angle of the joints were investigated by experiment.
通过试验研究了力学不均匀性对接头断裂韧性和裂纹开裂角的影响。
The distribution of internal stress has large influence on mechanical properties of materials such ay strength and fracture toughness.
内应力的分布，对材料宏观力学性能如强度和断裂韧性，都将产生较大的影响。
The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.
研究了试样类型、试样厚度、比例试样尺寸及切口尖度等因素对普碳轨钢断裂韧性的影响。
Based on the fractal characteristic of concrete material, the relation between fracture toughness and height of crack zone is analyzed.
根据混凝土材料裂纹的分形特性，分析了混凝土的断裂韧度与裂纹带高度之间的变化关系。
By comparing fatigue crack with electrosparking crack, the effects of crack tip on fracture toughness of ductile iron have been studied.
通过开疲劳裂纹和线切割裂纹的对比试验，研究裂纹尖端的尖锐程度对球墨铸铁断裂韧性的影响；
Simultaneously, the fracture toughness was analysed, and calculated by means of J-integrals adopting the theory of elastoplastic fracture.
并用弹塑性断裂理论的J积分，计算和分析了非线性时砌石体的断裂韧度。
The impact toughness and fracture toughness of the composite samples decrease after adding jute fibers when compared to pure polypropylene.
黄麻纤维掺入聚丙烯导致黄麻纤维增强聚丙烯试样的冲击韧性摘要与断裂韧性下降。
The impact toughness and fracture toughness of the composite samples decrease after adding jute fibers when compared to pure polypropylene.
黄麻纤维掺入聚丙烯导致黄麻纤维增强聚丙烯试样的冲击韧性摘要与断裂韧性下降。
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