1) dynamic friction angle
动摩擦角物料
2) angle of rolling friction
滚动摩擦角
3) equivalent angle of dynamic internal friction
当量动内摩擦角
4) brake friction materials
制动摩擦材料
1.
The friction stability,friction coefficient varies as a function of temperature,the overall wear rate,wear changes as a function of temperature,and the total friction performance of the different brake friction materials can be quantitatively calculated by this evaluation method.
针对国标GB5763-1998和定速摩擦测试仪测定制动摩擦材料在不同温度下的升温、降温摩擦因数和磨损率数据,应用模糊综合评价原理,提出了定量评价制动摩擦材料摩擦性能的方法,包括摩擦稳定性(摩擦因数与摩擦温度的关系)、综合磨损率(磨损率与摩擦温度的关系)和总摩擦性能评价。
2.
Solid lubricants are one of the important ingredients in brake friction materials and play critical roles in stabilizing friction coefficient, depressing specific wear rate and do not damage the cast iron disc.
固体润滑剂是制动摩擦材料中不可缺少的一类原材料,对稳定摩擦系数、降低磨损率、保护摩擦盘起重要作用。
5) Internal friction angle
内摩擦角
1.
A direct shear apparatus development for grain internal friction angle measurement;
测定粮食内摩擦角的直剪仪研制
2.
The previous research took only the influence of material internal friction into the study on destruction of compression sample, and got the material internal friction angle φ of 10°~30°.
在分析试件的破坏问题时考虑了前者的影响 ,得到铸铁材料内摩擦角 φ的取值范围为 10°~ 30°的结论。
3.
The statistical laws between internal friction angle and compactness are .
试验结果表明:风积沙的压实可采用常规的击实试验方法和振动密实法,压实效果受颗粒级配、含水量、荷载大小、振动频率及振幅等多种因素影响;风积沙的内摩擦角与压实度之间呈线性变化规律,颗粒级配是主要影响因素,含水量影响较小;风积沙的室内回弹模量和加州承载比与压实度之间大致呈非线性增大规律,在某一压实度区间增大的幅度非常小。
6) friction angle
摩擦角
1.
A correlative equation of the friction angle, water ratio and the proportion of coarse granule was founded and the range of its application was indicated according to the laboratory simulation shear testing of Zhangbagou Limestone Mine s weak intercalation.
通过对张坝沟石灰石矿山软弱夹层土样的室内模拟剪切试验,探讨泥质软弱夹层的内摩擦角与其颗粒组分和含水率之间的定量关系,建立了该软弱夹层的内摩擦角与其含水率和粗颗粒含量的相关方程。
2.
At the same time the friction angle is originally defined, which can describe the extent of the slip friction in the radial direction.
通过分析旋转型行波超声电机接触界面上的相对运动趋势和动力传递机理,指出定、转子存在径向滑动的现象,由此建立了考虑径向滑动的三维接触模型,并提出描述径向滑动趋势大小的指标——摩擦角,在此基础上结合定子与转子的动力学描述得到了整个电机的数学模型。
3.
After that,the formulas about the rupture angle and the friction angle are presented,and the formula of their relationship is also presented.
首先,根据简单拉伸和压缩试验推导了该模型参数的公式,讨论了第一主应力和第三主应力之间的关系及破坏模式;然后,定义了摩擦角和破坏角,导出了相应的公式,并且给出了两者之间关系表达式。
补充资料:动摩擦
分子式:
CAS号:
性质: 一物体沿着另一物体的表面运动时,在其接触面所产生的阻力。根据固体与固体的运动状态有滑动摩擦与滚动摩擦之分。
CAS号:
性质: 一物体沿着另一物体的表面运动时,在其接触面所产生的阻力。根据固体与固体的运动状态有滑动摩擦与滚动摩擦之分。
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