And the characteristics of homogeneous loess landslide and loess-mudstone cutting layer landslide are high sliding velocity, long sliding distance and high stability after sliding except its scarp. 黄土层内滑坡、土泥岩切层滑坡的滑速高、滑距长,滑体稳定性高。但后壁不稳定,易再次滑动。
The formulae of contact stress and sliding velocity of solid-lubricated ball bearings are deduced by Hertzian contact theory and kinematics of ball bearing. 根据赫兹接触理论和运动学基本原理,推导了固体润滑球轴承的接触应力和滑动速度公式。
The characteristics of loess interface landslide and loess-mudstone layer plane landslide are low sliding velocity, short sliding distance and low stability after sliding. 黄土接触面滑坡、土泥岩顺层滑坡的滑速低、滑距短,滑体具有稳定性差、活性强的特点。
The relative sliding velocity, the coefficient of friction and frictional heat flux between contact tooth flanks are calculated. 研究了啮合过程中轮齿的相对滑动速度和齿面摩擦因数以及摩擦热流密度的计算方法;
With increasing the applied load and sliding velocity, the friction coefficients decrease. 随着载荷和摩擦速度的增加,摩擦系数减小。
Meanwhile, with the increase of the mean velocity of abrasive, the wall sliding velocity will increase. 同时壁滑速度随磨料平均速度增加而增大。
Meanwhile, the friction coefficient of compacted graphite cast iron with 0.1% and 0.3% ( mass fraction) of vanadium is enhanced, and the friction coefficient stability is improved under the condition of high contact pressure and high sliding velocity. 含钒0.1%和0.3%(质量分数)时,提高了摩擦系数和高接触压力、高摩擦速度下摩擦系数的稳定性。
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity. 试验发现,摩擦系数随滑动速度的增加而增加,存在临界滑动速度。
However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing. 而镍与APS间的摩擦系数随滑动速度的增大而增大,随载荷的增大而减小。
The mechanisms of influences of the sliding velocity on the frictional behavior are analyzed with the critical transition temperature theory and Archard wear theory. 运用临界转变温度理论与Archard磨损理论分析了相对滑动速度对EAMC摩擦学性能影响的机制。
During the transmission of the involute gear in mesh, the gear engagement stiffness, the load, the sliding velocity and the curvature are varying with the meshing line of the gear teeth. 渐开线齿轮在啮合传动过程中,其轮齿刚度、接触载荷、齿面速度和曲率半径等沿啮合线在始终变化着;
As load and sliding velocity increased, thermal effect aggravated wear rate of pure copper and its composites. 载荷与滑动速度提高引起的热效应使得纯铜及其复合材料的磨损率增高;
Friction Vibration(ⅱ) Relation between Dynamic Friction and Sliding Velocity 摩擦振动(二)(二)动摩擦力与滑动速度的关系
In this paper, the probability density function of sliding velocity for a base sliding rigid body subjected to a Gauss white noise excitation is first derived in virtue of the Fokker-Planck equation. 本文使用Fokker-Planck方程,给出了基底可滑移刚体在高斯白噪声扰动作用下的滑动速度概率密度函数。
A constitutive relation between flow shear stress rate and the relative sliding velocity of shear band is also obtained. 推导了剪应力(率)与剪切带相对错距(速度)的本构关系。
The scuffing-resistant capability of friction pairs is enhanced with reducing sliding velocity. 摩擦副的抗胶合能力都随相对滑动速度的提高而下降。
The tribological performance of metal frictional material for braking is influenced much greatly by the temperature, pressure, relative sliding velocity, and the content of alloy elements. 制动摩擦材料的摩擦学性能受温度、压力和相对滑动速度的影响较大,对于金属摩擦材料,合金元素的含量也是影响其摩擦学性能的重要因素。
The results indicate that the friction forces keep constant with load and sliding velocity increasing for OTS/ MPS composite SAMs. 结果表明,OTS/MPS复合自组装分子膜的摩擦力随着载荷和滑动速度的增加而基本保持不变;
The separate effect of the sampling section, sliding velocity, applied pressure, the natural convection changes hot coefficient, specific heat, thermal conductivity, volume temperature and ambient temperature on the flash temperature were discussed. 探讨了取样区间、滑动速度、外加压力、自然对流换热系数、比热容、导热系数、体积温度以及环境介质温度等参数的变化对闪温的影响。
Effects of Sliding Velocity and Abrasive Materials on Wear Behaviour of UHMWPE and PTFE 滑动速度和磨料对UHMWPE和PTFE磨损的影响
The results showed that the electrical sliding wear rate of the resin-calcination type contact strip increases with the increase of current density and the sliding velocity. 研究表明,树脂焙烧型滑板的载流磨损率随载流密度和滑行速度的增加而增大。
These results showed geometric characteristics of surface outlines played an important role on contact state and friction behavior from the cartilage configurations. And exterior load, sliding velocity, preloading time, contact area and lubricated fluid only led to secondary influences. 结果表明,表面轮廓的几何特征对摩擦副的接触状态和摩擦行为起着重要影响,而外载荷、滑动速率、预压时间、接触区域和润滑液等只改变相应的影响。
Normal pressure, temperature of tool surface and relative sliding velocity between tool and workpiece are obtained through the above finite element analysis. 利用二维热力耦合有限元模型对不锈钢时的切削过程和热传递过程进行了仿真分析,得到了刀具表面的应力、温度以及刀具与工件之间的相对滑移速度。
The friction coefficient and its fluctuation range decreased with the increasing load in the case of the same sliding velocity. 滑动速度相同时,摩擦系数及其波动幅度均随载荷的增加而减小。
The average friction coefficient increases obviously with increasing the load, but decreases with increasing the sliding velocity ( except for the case of lower load). 平均摩擦系数随载荷明显增加,而随滑动速度的增加有所降低(低载荷时除外);并且,其降低幅度随载荷增加而增大。
The friction oxide generated in the wear surface, and the degree of oxidation increased and aggravated with the increase of load and sliding velocity. 磨面随着摩擦的进行氧化现象明显,氧化程度随着载荷及滑动速度的增加而加剧。
Under dry friction condition, wear mechanism of ceramic are adhesive wear and abrasive wear. Abrasion loss of ceramic reduces with increasing of the sliding velocity and increases with increasing of the load. 在干摩擦条件下,陶瓷的磨损机理为粘着磨损与磨粒磨损;陶瓷的磨损量随着滑动速度的增加而降低,随着载荷的增加而增加。
The relationship of abrasion loss and friction coefficient with respect to load, sliding velocity and sliding distance are discussed and wear mechanism of ceramic is analyzed. 对氧化铝陶瓷的耐磨损性能进行了检测与分析,讨论了载荷、滑动速度、滑动距离与磨损量、摩擦系数之间的关系,分析了陶瓷磨损过程机理。
The average friction coefficients present a similar variation with normal load and sliding velocity for the two nitrided layers during the dry sliding in vacuum. 在真空干滑动时两种渗氮层的平均摩擦系数随法向载荷和滑动速度的变化趋势相似。
When the sliding velocity or load exceeds a certain critical value, the wear volumes of the two nitrided layers increase with increasing the sliding velocity or load. 当超过一定的滑动速度或载荷时,两种渗氮层的体积磨损量随载荷或滑动速度的增加而迅速增加。