查询词典 hardness

On the test machine of glue,using three groups of 45 steel-40Cr disc test examples with clifferent hardness, the gear abrasion simulant experiment has been done about addendum, dedendum dividing point of single and double engagemenf area.

用三组不同硬度的45钢-40Cr的圆盘试件，在圆盘滚子实验机上，对渐开线齿轮的齿顶、齿根、单双齿啮合分界点四点进行齿轮磨损的模拟实验。分析了材料副的硬度和配对试件的绝对滑差速度对磨损的影响。

The effect of rolling temperature and of deformational degree on toughness than strength and hardness are more notable.

研究确定了最佳轧制工艺，指出轧制温度和变形量对钢的强度和硬度影响较小，但对韧性影响显著。

The structure of stemming is plate, densify, high hardness, and the stemming is disorder aggregate.

析出物结构板结、致密、硬度大，属于无序聚集体。

The above-mentioned T8 glass-ceramic showed only 25 % decrease in IR transmittance, 17 % increase in hardness, 61 increase in dilatometric softening point, and 19 % increase in Young s modulus.

上述试片之IR穿透率与T8起始玻璃比较，仅下降了25 %，但硬度上升了17%；与未添加成核剂的玻璃比较，膨胀仪软化点上升约61℃，杨氏系数上升约19 %。

By the method of dilatometric change,combining with microscopic test and hardness measurement,different expanding curves of continuous cooling transformation were measured at different cooling rate,and CCT diagram was obtained by using DIL805A thermal expansion fast phase transition instrument.

利用膨胀法，结合金相法和硬度法，在DIL805A热膨胀快速相变仪上测定了该钢在不同冷速下连续冷却时的热膨胀曲线，获得了该钢的连续冷却转变曲线；研究了该钢连续冷却过程中奥氏体转变过程与组织变化。

By dilatometric change referencing microscopic test and hardness measurement, the critical point at Ac1, Ac3 and Ms of 27CrMo27S steel was determined in Gleeble-3800 thermal mechanical simulator, By measuring the different expanding curves of CCT in different cooling rate, CCT diagram was obtained.

利用膨胀法结合金相-硬度法，在Gleeble-3800热模拟机上测定了27CrMo27S钢的临界点Ac1、Ac3以及Ms；测定了该钢在不同冷却速度下连续冷却时的膨胀曲线，获得了连续冷却转变曲线；研究了冷却速度对该钢组织及硬度的影响。

The effects of high temperature tempering on the microstructure and mechanical property of an ultra-low carbon bainitic steel have been investigated by means of transmission electron microscopy, scanning electron microscopy, micro-hardness measurements and dilatometry.

本研究以穿透式电子显微镜、扫描式电子显微镜、微硬度量测及热膨胀仪分析超低碳变韧铁合金钢高温回火之显微结构及机械性质变化的特性。

8Co alloy have been studied by means of optical and transmission electron microscopy, X-ray diffraction, dilatometry, tensile tests and Vickers hardness measurements. The inherent factors responsible for the low shape memory effect of polycrystalline Fe-Mn-Si alloys have been revealed.

本文通过金相、透射电镜及X-射线衍射分析以及热膨胀、拉伸和硬度试验等手段研究了Fe-25.6Mn-5.1Si-4.1Ni-1.8Co合金中应力诱发γ→ε马氏体相变和形状记忆效应，揭示了引起多晶Fe-Mn-Si系记忆合金形状记忆效应低的内在因素。

The hard targets were dually partitioned according to the flexible or hardness grade and configuration of target.

按目标的软硬程度和结构两个标准对硬目标进行二元分类。

Use instead and fasten and dig the bit to remove the hole and bottom eluvial soil after 5m (if the rock meeting high hardness while the base rock creeps into, can is it inlay rock bit get into to designing requirement hole dark by fastenning and digging and fighting the clear hole and then to use instead), in order to improve the strength of bearing the weight of of one , put the reinforcing bar cage finally , build the concrete.

本工艺基本上适应于各种土层，如软弱土层、松散杂填土、粉土、砂土、粒径不大（10cm以下）的碎石土和圆砾及其它塑性不大、粘粒较少的粘土，尤其适用于软塑、流塑、孔隙比大、高压缩性、抗剪强度小等特性的淤泥质土及因地下水丰富造成泥浆护壁困难的土层。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。