查询词典 sliding friction

The characterization of modified surfaces were explored by contact angle measuring meter and atomic force microscopy,the tribological properties of samples in nanometer and millinewton scale were measured by friction force microscopy and CETR UMT-2 tribometer. The effects of ultraviolet radiation,sliding velocity and load on tribological properties of samples were analyzed.

在铝、钛金属薄膜和铝、镁、钛及钛合金上制备自组装分子膜，使用接触角测量仪、原子力显微镜对改性的表面进行表征，使用摩擦力显微镜和微摩擦磨损试验机对试样在纳米尺度和毫牛尺度下的摩擦学特性进行测试，分析了紫外照射、滑动速度、载荷对试样的摩擦学特性的影响。

Friction and wear behavior of CrNiMo steel against H96 brass in different atmosphere s like oxygen and carbon dioxide were investigated on the MMS-1G tribometer under high speed and dry sliding.

采用MMS-1G型高温高速摩擦磨损试验机研究了在氧气和二氧化碳2种气氛环境中CrNiMo钢/H96黄铜摩擦副的高速干滑动摩擦磨损特性，采用扫描电子显微镜和X射线光电子能谱仪对CrNiMo钢销试样的磨损表面形貌及其元素的化学状态进行分析，结合摩擦表面宏观温度的测量，分析了不同气氛环境中pv值对摩擦副摩擦磨损特性的影响。

On the side, the Study of tile effects of iribologica system on the tribological characteristics of the self-repairing nano-scale NT1 additive particles under various tribological parameters like: relative sliding velocity, surface roughness of friction pair, the different affixion masses of additive and load, etc.

另外，根据摩擦学系统理论，考察了摩擦学系统中主要特征元素(相对滑动速度、表面粗糙度、不同的添加量和载荷)对自修复纳米铜润滑添加剂NT1摩擦学性能的影响。

The friction resistance reduction mechanism is disposed at a position where the lubricant retainer and the lubricant holder come into contact in a frictionally sliding manner.

摩擦阻力减小机构置于润滑剂保持器和润滑剂容器以滑动摩擦方式相接触的位置。

The results show that the composite coating is metallurgically bonded to the substrate and the microstructure is fine and uniform. The hardness of the composite coating is up to 400 HV, which is 2.5 times that of the substrate. Under room temperature and oil lubrication condition, the sliding wear tests indicate the friction coefficient and weight loss of the composite coating are smaller than those of substrate. The worn surface of the composite coatings is much smoother than that of the substrate, without grooves and crater.

结果表明，复合材料涂层与基体形成良好的冶金结合，微观组织细小、均匀；复合材料涂层硬度达400HV，约为基体的2.5倍；在室温油润滑条件下，滑动磨损试验表明复合材料涂层摩擦系数和失重均小于基体，磨损表面划痕较浅且平滑，无明显的犁沟、粘着、剥落现象；激光表面合金化显著提高了材料的耐磨性。

Objective. 1. There was few researchers who mentioned pericementum which has some effect of resistance to sliding when they studyed the friction of archwire-bracket.

一、研究目的： 1、鉴于目前在测定弓丝与托槽滑动阻力时，均没有考虑到牙周膜对滑动阻力的影响，因此本实验尝试建立一种新的实验模型，分别模拟牙，牙周膜，牙槽骨。

Based on some principal rules of brittle rocks polyaxial tests and previous researches, three controlling failure types for brittle rock are obtained. The first type represents the brittle failure controlled by extension microcrack under the condition of lower hydrostatic pressure; the second represents the ductile failure controlled by friction sliding action under the condition of higher hydrostatic pressure when microcrack is close; and the third represents brittle-ductile failure type controlled by multiple factors mentioned above under the condition of high hydrostatic pressure when some microcracks are open and others are close.

通过分析脆性岩石多轴试验中的强度和破坏规律，在已有研究成果基础上，将其强度和破坏控制类型主要归结为3种：类型1，低静水压力时裂缝张开扩展，主要表现为张性微裂缝控制型脆性破坏；类型2，静水压力很高时，裂缝闭合，主要表现为摩擦滑移控制型延性破坏；类型3，处于两者之间时，微裂缝一部分张开，一部分闭合，主要表现为两者复合控制型脆延破坏。

Sulfide layer was made on the surface of high speed steel (W6Mo5Cr4V2) by means of low temperature ion sulfurization. The tribological properties of the sulfide layer under dry sliding were investigated on an MM 200 friction and wear test rig. An atomic force microscope and a scanning electron microscope equipped with an energy dispersive spectrometer attachment were adopted to analyze the morphologies and compositions of the original and worn surfaces of the sulfide layer. The phase structure of the sulfide layer was determined by X ray diffraction.

采用低温离子渗硫工艺在 W6 Mo5 Cr4 V2高速钢表面制备了硫化物固体润滑层，在 MM- 2 0 0型摩擦磨损试验机上对渗硫层的摩擦学性能进行了干摩擦试验研究，用原子力显微镜及扫描电子显微镜和 X射线光电子能谱分析渗层表面、截面、磨面的形貌及成分，用 X射线衍射仪分析了渗硫层相结构。

A series of rock loading experiments, including uniaxially compressing experiment, compressively-sheared fracturing experiment, bi-sheared faults friction sliding experiment and combined-fault activity experiment, are conducted by the utilization of thermal infrared imaging technology.

利用热红外成像技术，通过岩石单轴压缩、压剪、双剪摩擦滑移以及组合断层的双轴加载过程的红外观测实验，研究了岩石的两类应力活动以及典型构造活动的红外辐射规律。

In the absence of such a high degree of cleanliness, adsorbed gases, water vapor, oxides, and contaminants reduce friction and the tendency to seize but usually result in severe wear; this is called "unlubricated" or dry sliding.

由于无法实现如此高的清洁度，摩擦面中的气体，水蒸汽，氧化物及其他污染物会在此过程中减少摩擦力及咬合的趋势，但也往往导致更严重的磨损；这种情况被称为&无润滑&或干摩擦。

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。