When the crystal size is about three nanometers (billionths of a meter), the material has its ultra-strong and ductile characteristics.
当晶体大小大约为3纳米（1纳米等于10亿分之一米）时，天然丝材料具有超强的强度与延展性特征。
The surface morphologies exhibit deformation wear in the middle and micro cutting wear in the sides, which indicate that all the samples exhibit ductile material characteristics in the erosion.
合金丝试样中部为变形磨损，侧面为微切削磨损，表现为典型的韧性材料冲蚀磨损特性。
The backlight photography with single sample was used to measure the true stress-strain of the ductile material after necking in tensile test.
本文采用单试样逆光拍照法对延性材料拉伸试验缩颈后的真实应力-应变进行了有效的测量。
When a ductile material is tested, the reduction in cross-sectional area due to waisting causes an increased stress without an increased force, to ensure that extension proceeds uniformly.
当韧性材料被测试时，由于颈缩使横载截面面积减小，以至在受力没有增加的情况下引起应力的增加，以保证延伸继续如常进行。
Ductile cast iron as a light type material with fine mechanical properties has been applied more widely in the automobile industry.
作为一种高性能轻型材料，球铁在汽车行业得到了更广泛的应用。
Pump cover material with steel ZG230-450 more, can also be used ductile iron, the latter two materials contrast of wear resistance and hardness and heat resistance to be because the former.
泵体、泵盖的材质采用铸钢ZG230-450的较多，也可以采用球墨铸铁材质，两种材质对比后者的耐磨性和硬度以及耐温性要因为前者。
The use of plasticized rosin as an analog material of the ductile lower lithosphere provides an effective approach to modelling intraplate plastic flow network and multi layer tectonic deformation.
采用塑化松香作为岩石圈延性下层的相似材料，进行了板内塑性流动网络及多层构造变形的物理模拟实验。
J integral value related to the initiation of ductile crack is important material properties for the engineering structure of ductile fracture.
韧性裂纹开始扩展的J积分值对于韧性断裂的工程构件是一个重要的材料性能指标。
The mechanism of ductile machining for brittle material is described.
论述了脆性材料延性加工机理。
This article analyses the material - removal mechanisms in grinding ceramics, and advertences the grinding model of ceramics semi - ductile regime grinding.
对氮化硅陶瓷磨削表面进行实验观察，从理论上分析了陶瓷材料的加工机理，提出了陶瓷的半延展性磨削模型。
For insulating the body with 2-inch longer diameter, material is cast iron or ductile iron.
用于保温隔热绝缘的阀体具有2英寸的加长管径，材质是铸铁或球墨铸铁。
The results show that the duplex structure ductile iron is a good abrasive-resistant material.
试验结果表明，这种复相球墨铸铁材质是一种优良的抗磨材料。
The simplest of these removes the old (cracked) weld material and replaces it with ductile weld material.
三组试件中最简单的一个节点为除去旧有的开裂焊接材料并用延性好的焊接材料重新焊接。
The characteristics and advantages of ductile iron material are briefly described in this article, especially, the feasibility about being used in high pressure fire fighting system is discussed.
简要介绍了球墨铸铁管材料的特点，特别探讨了球墨铸铁管在新领域——高压消防水系统中应用的可行性。
Isothermally quenched ductile iron (austempered ductile iron, ADI) is a relatively new material to engineering industries.
等温淬火球铁(adi)对工程界来说是一种相对较新的材料。
Phosphor bronze strip is the most widely used ductile material of copper alloys at present.
锡磷青铜带是当前应用最广泛的铜合金弹性材料。
The test results show that the mechanism of ductile-mode material removal of the brittle material is attributed to a combination of.
试验结果表明，脆性材料的延性切削模式的实现是由于云母晶体对裂纹走向的引导和玻璃相的强烈的剪切变形能力的共同作用。
The ductile cast iron and the other cast iron usually belong to the brittleness material. It's the fracture toughness should studied by linear elastic mechanics.
通常球墨铸铁与其他铸铁材料一样被认为属于脆性材料，断裂韧度应该用线弹性力学理论进行研究。
To use pick cupola smelting triM-produced QT400-18 ductile iron, zinc ingots module as material, improve zinc ingots mode using life.
运用冲天炉熔炼试制QT 400 - 18球墨铸铁，作为锌锭模的材质，提高锌锭模使用寿命。
The valve body material shall be shock resistant ductile iron with extended neck for 2"of insulation."
阀体材料是抗冲击的球墨铸铁，可在密封状态下将阀颈延长2英寸。
The ductile iron is often used in high and low cyclic temperatures condition, its thermal fatigue property is regarded as one of the importantest material properties.
球铁经常使用在高温、低温循环的环境中，它的热疲劳性能被认为是最重要的性能之一。
Main raw material: cast iron, ductile iron, carbon steel, low temperature steel, stainless steel, alloy steel, heat-resistant steel, rubber, plastic, and so on.
材料主要有：灰铸铁、球墨铸铁、碳钢、低温钢、不锈钢、合金钢、耐热钢、橡胶、塑料等。
Moreover, the fracture of the material was a mixed ductile-brittle fracture, nor was it a typical brittle fracture or a typical ductile fracture.
它是韧脆混合的断裂，韧性断裂的特征表现为有一定的韧窝及撕裂棱。
Moreover, the fracture of the material was a mixed ductile-brittle fracture, nor was it a typical brittle fracture or a typical ductile fracture.
它是韧脆混合的断裂，韧性断裂的特征表现为有一定的韧窝及撕裂棱。
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