frictional property造句
例句与造句
- Rubber - determination of frictional properties
橡胶.摩擦性能的测定 - Research on frictional properties of rubbing resistance material compounded with cast fiber
铸铁纤维复合摩阻材料的摩擦性能研究 - Standard test method for measuring surface frictional properties using the british pendulum tester
用英国摆锤检验器测定表面摩擦性能的方法 - Standard test method for measuring paved surface frictional properties using the dynamic friction tester
用动摩擦试验器观测路面摩擦特性的标准试验方法 - Standard test method for measuring the frictional properties of winter contaminated pavement surfaces using an averaging - type spot measuring decelerometer
用平均型斑点测量减速计测量冬天受污染路面摩擦性能的标准试验方法 - It's difficult to find frictional property in a sentence. 用frictional property造句挺难的
- This paper has done the indoor test of the frictional property of the reinforced earth , and the prototype measurement and calculation with finite element method of the single level super high reinforcement retaining wall located in panzhihua city
本文进行了室内拉筋摩擦性质的研究，对攀枝花市三中运动场单级超高加筋土挡墙进行了原型观测和有限元计算分析。 - The degrees of crystallinity of pure ptfe under the different conditions of water cooling , air cooling and furnace - varying cooling were made comparison by xrd . the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber , solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig . the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine , the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表征原料微观结构、摩擦表面及润滑转移膜表面形貌：用xrd进行原料物相分析，及比较水冷却、空气冷却、随炉冷却三种工艺条件下的纯聚四氟乙烯树脂的结晶度；用dsc - tg分析纯聚四氟乙烯树脂及固体润滑剂的热稳定性；用xps表征碳纤维表面、固体润滑剂摩擦前后表面、润滑转移膜表面的元素组成、价态变化；用销盘式摩擦磨损试验机对固体润滑剂进行摩擦性能测试；采用专用的台架模拟试验机对固体润滑剂镶嵌轴承套与钢轴摩擦副间的摩擦磨损性能进行测定；用莱次偏光显微镜( pm )测试固体润滑剂的硬度；用材料试验机测试固体润滑剂的抗压强度等。 - After looking up a large amount of native and foreign information , the materials used in the experiment were as follows : ptfe base , graphite filler , molybdenum disulfide filler , copper powder filler , carbon fiber and so on . the experimental method is that the formula was designed according to uniform experimental method , the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization . the preparative technique of solid lubricant is cold - press sintering method
经过查阅大量国内外文献资料后确定原料为：聚四氟乙烯树脂为基体，加入石墨、二硫化钼、铜粉、碳纤维等填料；试验方法为：根据均匀试验方法设计配方，用样条函数找出配方与摩擦性能的关系，然后在拟合曲线上选取具有代表性的试验点进行验证试验，达到优化的目的；制备工艺：冷压烧结法制备固体润滑剂。 - Based on the research of the characteristics of piezoelectric ceramic , this paper presents the analysis of the movement of the stator surface points and work principle of motor . this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring , and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect
并且对行波型超声波电动机的减摩现象进行了研究，发现在接触区定子表面上一点的水平振动产生摩擦驱动力，垂直振动只起影响水平驱动效果的作用，得出垂直方向超声振动具有减振作用是引起超声驱动动摩擦系数降低的原因。 - The results indicated that the dimension , shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c , but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased , melting temperature and decomposition temperature decreased , in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o , c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests . the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big . this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60 , 30 : 30 - 40 and 60 : 15 - 30 respectively , the friction coefficient was relatively small . the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time , the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle , lubricant transfer film could be formed on metal surface , thus direct contact between the surface of metal friction pair rings was reduced . their working life was elongated extremely ; there was mainly much graphite , a little ptff , moo3 , feso4 , cus and so on in lubricant transfer film
试验结果表明：所选原料的尺寸、形状及纯度可满足固体润滑剂的性能要求；聚四氟乙烯树脂热分解温度超过400 ，但在ptfe中加入无机填料会使复合材料吸水率提高，熔融温度及分解温度降低，且伴有氧化分解反应；碳纤维表面含有c = o及c - o - c等极性基团，有利于提高其与其它组分的相容性，提高层间剪切强度；均匀设计试验方法能够用较少的试验次数找出配方与摩擦性能间的关系，拟合曲线基本能表示各配方的摩擦系数发展趋势；配方中不加铜粉或不加石墨，其摩擦系数均较高，说明铜粉和石墨应该配合使用；当铜粉15份、石墨60份时，铜粉30份、石墨30 - 40份时，铜粉60 、石墨15 - 30份时，摩擦系数均具有较低值；纯聚四氟乙烯树脂在空气冷却时结晶度最大，磨损量也是三者中最大的；同时，固体润滑剂试样在空气冷却时的磨损量也是三者中最大的：不论是固体润滑剂与45 #钢轴配副或是固体润滑剂镶嵌入铜套后与gcr15钢轴配副，在金属表面均可形成润滑转移膜，从而减少金属摩擦副表面间的直接接触，大大延长其使用寿命;转移膜中主要含有较多的石墨、少量聚四氟乙烯、 moo 。 - By the friction experiment of reinforcement geosynthetic materials , some internal laws about the frictional property of the reinforced earth are obtained and described as follows : l . the development of the friction between reinforcement and filling has a direct relation to the relative displacement between the two ones ; 2 . the vertical pressure can influent the friction only within certain limits ; 3 . the pseudo - friction coefficient f shows a nonlinear reduction with the increase of vertical pressure
摩擦试验得到了筋土界面的摩擦特性规律： ( 1 )筋带与填料之间摩阻力的发挥与两者之间的相对位移有直接关系。 ( 2 )垂直压力对摩阻力的影响只在一定范围内起作用。 ( 3 )似摩擦系数f随垂直压力的增大呈非线性减小。