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sliding friction相关的网络例句

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与 sliding friction 相关的网络例句 [注:此内容来源于网络,仅供参考]

The results under the oil lubricate friction conditions were similar with those under the dry friction conditions. The wear mechanism of 3Cr13 matrix alloy was micro-cutting and distorting wear. For the composites with a low fraction of TiC particle, distorting wear dominated and cutting was partly operating. For the composites with a high fraction of TiC particle, stress fatigue wear and wear of hard phase decohesion has occurred, but the main wear mechanism was still distorting wear. When the wear experiments were performed under the oil lubricate friction conditions, the main wear mechanism has became to abrasive wear and fatigue wear for the composites with the low TiC fraction, and fatigue wear would be to dominate for the composites with the high TiC fraction. There were similar wear mechanisms in H13 and 1Cr18Ni9 matrix composites.

在干摩擦条件下,3Cr13基体合金的磨损机理为显微切削和变形磨损;低体积分数的复合材料磨损机制以变形磨损为主,兼有少量的切削磨损机制;高体积分数的复合材料磨损机制以变形磨损为主,兼有应力疲劳磨损和脆性相剥落磨损;在油润滑摩擦条件下,3Cr13基体合金的磨损以磨粒磨损为主;低体积分数的复合材料磨损为磨粒磨损和疲劳磨损;高体积分数的复合材料磨损以疲劳磨损为主。H13、1Cr18Ni9基体及其复合材料的磨损机制类似于3Cr13基体及其相同体积分数的复合材料。

At present, although finite element methods is a kind of effective measures in analyzing metal plastically forming problems with friction, dynamic friction in the process of metal forming is substituted with static friction and constant frictional force as one of independent constraint conditions is transposed to equivalent node-load or FEM unit is divided into contact unit and inner unit in numerous studys and applications, so that it result in relative bad accuracy and awkward operation. These defects mostly attribute to the fact that FEM bases on the variational equality principles, however frictional constraint will actually result in variational inequality energy functional.

目前,应用于分析金属塑性成形的有限元法是一种有效的处理摩擦效应的定量计算方法,但是许多应用和研究是用常摩擦来代替金属塑性成形过程中的动态摩擦;把常摩擦力作为单独的约束条件移置到等效结点载荷上或把有限元单元划分成接触单元和内单元,这些将导致解的精度相对不高及实际操作不方便等一系列问题,产生这些不足的重要原因之一在于它的理论基础是变分等式原理。

For nonlinear friction force in hydraulic position tracking system, partition compensation is to solve the problem of large approximation error caused by non-smooth characteristic of friction when the whole friction is compensated by one fuzzy neural network.

针对液压位置跟踪系统中的非线性摩擦力,提出对摩擦力模型的不同分量分别进行补偿的分部补偿算法,以解决用模糊神经网络对摩擦力整体进行补偿时,因摩擦力非光滑特性引起较大逼近误差的问题。

We analyze the principle of stick-slip motion deeply. From foregoing analysis a result was made that dry friction is the main factor in influencing low speed capability of electro-hydraulic servo system. Dry friction must be compensated for improving the low speed performance. Then a nonlinear model with friction is set up and control methods is discussed.

深入分析了汽轮发电机转速不稳定的原因是由于电液伺服系统在低速区性能不稳定,而影响电液伺服系统低速性能的主要因素是干摩擦,要提高电液伺服系统的低速性能必须对摩擦力进行补偿。

After analyzing the general principle of friction drive, this paper studies the kinematics and the dynamics of twist-roller friction drive deeply, and discovers the changing law of friction direction.

本文在分析了摩擦传动一般原理的基础之后,深入研究了扭轮摩擦传动系统的运动学、动力学问题。

The index of slipping friction work is incompatible with that of shock intensity. In order to form an integrative optimization between shock intensity and slipping friction work, different gear shift control strategy have been made to find a compromise between shock intensity and slipping friction work according to different work condition of E.T.

滑磨功和冲击度这两个指标相互制约,因而为了达到综合最优,针对电动变速驱动单元不同工作状况,制定了不同的换档控制策略来达到冲击度和滑磨功协调最优。

The mode of the friction saw cutting has been founded and the theory of that one has been put forward according to analysing the process of friction saw cutting, which make use of friction and extrusion to increase temperature of the area of work cutting and make the hardness and strength of work reduce obviously.

通过对摩擦锯切过程的分析,建立摩擦锯切模型,提出了摩擦锯切的原理,主要是利用挤压变形和摩擦,提高工件切削区的温度,使工件的强度和硬度显著下降,同时,设法保持刀具的温度在300℃以下,使硬度保持不变,从而实现了刀具硬度与工件硬度比的大量增加,完成超高速切削。

However, POM/PEO interfibrillar segregation and the interspherilute segregation crystalline structures seem unfavourable for the toughness of the blends.5. PEO can improve the friction and wear properties of POM/PEO blends because PEO in the blend melts during friction and transfers to the friction surface, forming a lubricative layer.

磨痕宽度则先减小后增加,这是因为随PEO含量增加,其结晶结构发生了变化,无定形PEO与POM微纤晶穿插有利于减小磨痕宽度。6。

A true model of friction would include separate cases for static friction ( for a body at rest against a surface ) and kinetic friction (for a body in motion against a surface), but we will consider just one case.

那么这里的质量其实就没有那么重要了,事实上,你可以简化你的代码,假设物体的质量为1,根据牛顿第二定律使得加速度=力。

Despite the many advantages over asbestos-based friction material, thermal decomposition or liquescence of phenolic resin due to frictional heating can cause semi-metallic friction material to fade away (a phenomenon of friction decline with operation time).

中文摘要半属基摩擦材主要是使用一种或多种耐热的树脂(以酚醛树脂最为广泛使用)为基材,添加各属粉末或纤维以强化基材,并添加润剂、摩擦调整剂等增加材的磨耗性能,其成份中通常含有超过50 wt%的属成份。

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相关中文对照歌词
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推荐网络例句

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征,是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日,国内外艺术媒体还是在沿用&后八九&这个称谓,不管当初是为了商业噱头还是容易上口好记,反正大家现在是记住了&后八九&这个广东口音很重的词。

In just a span of three months, we have made interviews with over 20 community characters, enriching the show as a real community radio program.

在短短三个多月,我们已访问介绍过社区中超过二十多人,让「同声同路人」成为一个丰富华人社区生活的电台节目。