However, early investigations showed nanocrystalline materials, while having high strength and hardness, were also very brittle.
但是，早期的调查显示，尽管它具备高强度，高硬度，但是纳米钛合金材质也异常脆弱。
The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
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。
An experimental procedure and accompanying method for analyzing recorded data for deriving dynamic tensile strength and elastic modulus of brittle material is presented.
提出了获取脆性材料动态拉伸强度及弹性模量的实验步骤及相关记录数据的分析方法。
When the failure taking place, the strength of steel plates has not been fully used, it belongs to brittle failure and must be overcome with reasonably measure.
破坏发生时，钢板的受拉强度未得到充分利用，属脆性破坏，必须采取合理的锚固措施予以克服。
Objective To compare the difference in strength degradation and morphology damage of brittle dental ceramic after static load and cyclic fatigue.
目的比较牙科陶瓷循环和静态加载后的强度下降规律以及结构损伤差异。
The main effect of water on brittle plastic transition of mafic rocks is embodied by both the change of strength and temperature of brittle ductile transition and brittle plastic transition.
水对基性岩脆塑性转化的影响体现在岩石的强度和脆延性与脆塑性的转化温度两方面。
There is a distinct difference in the strength characteristic of brittle materials between single impact and double impact or slow compression.
脆性材料单次冲击和二次冲击或低负荷压缩冲击性能方面有很大的差别。
Hence, due to the brittle nature of HSC under axial compression, the presence of lateral reinforcement becomes more significant than in normal strength concrete counterparts.
因此，由于高强混凝土的轴压下的脆性性质，横向加固的存在成为比正常强度混凝土同行更重要。
Concrete is one of the brittle materials, which has low tensile strength, poor toughness and poor impact resistance.
混凝土是一种脆性材料，具有较低的抗拉强度、韧性和抗冲击能力。
In the case of brittle materials, such as glass-filled resins, decreases in strength may be even more substantial.
尤其是涉及到一些易碎材料，如玻璃树脂等，强度降低可能更明显。
The experimental results show that the elastic modulus, tensile strength and fracture toughness of brittle rocks can be determined from a valid load-displacement record.
试验结果表明，可以从一次有效的载荷-位移记录中同时确定脆性岩石的弹性模量、拉伸强度和断裂韧度。
The sensibility of strain aging, ductile-brittle transit temperature, weldability, and the coordination between strength and ductility of reinforced steel bars were systematically investigated.
对试验钢筋的应变时效敏感性、韧脆转变温度、可焊性、强度与韧性的配合进行了系统的测试和研究。
The effect of normalizing on microstructure, strength, impact toughness and ductile-brittle transition temperature of FAS390Q axle housing steel was studied.
研究了正火处理对FAS390Q桥壳钢显微组织、强度、冲击韧性和韧脆转变温度的影响。
Then, on the basis of the expression for notch strength of brittle material and the fundamental principle of probability theory, correlations between the statistical characteristic parameters o.
进而根据脆性材料切口强度表达式和概率论一般原理，求得了切口强度和弯曲强度统计特征参量间的相互关系表达式，并进行了验证。
It is a simple, effective and ideal method to stick strain gages on the center of the sample to gain the dynamic tensile strength for brittle materials.
利用圆盘中心粘贴的应变片来测大理岩等脆性材料的动态拉伸强度，是一种简便高效的试验方法。
Along with the increase of the content of carbon, its hardness and strength increased, but the corresponding plastic drop, increase the brittle.
随着碳含量的增加，其硬度和强度增加，但相应的塑性下降，脆性增加。
Numerical analysis results show that the peak strength of the rock specimens increases as homogeneity increases and crack propagates smoothly until brittle fracture takes place.
结果表明，在均质度较高的岩石试件中，岩石强度相对高，并且裂纹扩展表现出很强的脆性；
Some of the hardest tool materials lack strength because they are too brittle.
有些最硬的刀具材料由于太脆而缺乏强度。
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。
The densification molding pressure of hard brittle material is higher than that of plastic material because of the higher compression strength of hard brittle material.
由于瘠性料的抗压强度高于塑性料，从而导致瘠性料的成型压力高于塑性料。
P95 A compression test is used for brittle materials such as concrete, stone, and brick because their tensile strength is low and thus harder to measure accurately.
脆性材料例如混凝土石材和砖是做抗拉实验的。因为它们的抗拉强度很低，很难准确地测量。
Hydrogen embrittlement is the process by which various metals, most importantly high-strength steel, become brittle and fracture following exposure to hydrogen.
氢气脆化作用是一些金属(特别是高强度的钢铁)在接触氢气之后所产生脆化或龟裂的过程。
It increased the Youngs modulus and the maximum tensile stress but it became brittle and decreased the impact strength.
老化初期， 结晶为主导因素，它增加杨氏模量、最大拉伸应力，但使材料变脆，降低冲击强度；
The fibers lose strength and become brittle .
纤维强度下降，且易断。
The shear strength of the pier is also checked using the concept of capacity design in order to avoid brittle shear failure.
最后以能力设计原理保证桥墩截面的抗剪强度需求。
Products for non-brittle material, toughness, high strength, good flatness, size regular, machining performance and the construction can be cut to facilitate bending.
产品为非脆性材质，韧性好，耐压强度高、平整度好、尺寸规整、机械加工性能优良且施工方便可任意剪切弯曲。
The result of this work is important for to choose the strength index of brittle materials and to control the quality.
本文研究的结果对脆性材料强度指标选择和生产厂家控制材料质量方面有重要的参考价值。
Compared with both of them, the peak-value strength, elastic modulus, and deformation modulus of sandstone after high temperature increase by a little and they are all brittle fractures.
两者相比，高温后砂岩的峰值强度、弹性模量和变形模量有所提高，两者受温度影响均以脆性破坏为主。
The material does, however, lose ultimate strength as the temperature is increased and gains strength but becomes more brittle as the temperature is lowered.
但这种材料在温度升高时极限强度会下降而温度降低时强度会增加但会变脆。
The material does, however, lose ultimate strength as the temperature is increased and gains strength but becomes more brittle as the temperature is lowered.
但这种材料在温度升高时极限强度会下降而温度降低时强度会增加但会变脆。
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