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摩擦系数
    Fuzzy comprehensive judgement on frictional coefficient of linings
    衬垫摩擦系数的模糊综合评判
    Field study and investigation of coefficient of friction between precast concrete blocks and rubble mound foundations-----Influence of felt or sludge upon frictional coefficient
    混凝土预制块体与块石基床间摩擦系数的现场实验研究——油毡原纸或泥浆夹层对摩擦系数的影响
    After its self-lubricating treatment with ultrasonic impregnation, the frictional coefficient of the obtained surface composite coating is 0.25, much lower than anodized aluminum, which is about 0.55, and it is also durable for a long period of time in comparison with the lubricating coating fabricated by hot dipping method.
    超声浸渍填充润滑物后,其摩擦系数(0.25)远远低于铝基材料氧化膜的摩擦系数(0.55),耐磨持久性较热浸填充法制备的表面复合材料也有所提高。
    Study on the liner frictional coefficient of a multi-rope
    多绳摩擦提升机衬垫摩擦系数的研究
    Research on SM-1 Type of Synthetic Fiber Brake with High Frictional Coefficient
    SM-1型高摩擦系数合成闸瓦的研究
    Application of profile frictional coefficient in evaluation of pavement skid-resistant performance
    纵向摩擦系数在路面抗滑性能评价中的应用
    Neural Network Based Prediction of Frictional Coefficient in Metal Forming Deep Drawing
    基于神经网络的板料拉深成形摩擦系数预测
    Analysis of frictional coefficient of PAPER/AL/PE film
    纸/铝/塑复合软包装材料摩擦系数的分析
    The PPS:PHBA:PTFE (3:1:1) polymer alloy exhibited excellent self-lubricity and wear resistance,with a frictional coefficient of 0.19 and abrasion loss of 0.7mg/120min.
    最后,采用正交设计法优选出PPS/PHBA/PTFE多组分合金性能最佳的配比,注射成型制备了PPS:PHBA:PTFE为3:1:1的性能优异的自润滑合金,具摩擦系数为0.19,磨耗量为0.7mg/120min,拉伸强度53MPa。
    The frictional coefficient and the wear rate of POM/M-UHMWP and POM/LLDPE/EAA are greatly decreased in the same conditions.
    在同样摩擦磨损条件下,POM/M-UHMWPE和POM/LLDPE共混物摩擦系数和磨损率显著降低。
    The frictional coefficient of POM/M-UHMWPE(95/5) is reduce to 50% that of POM. The wear scar width of POM/M-UHMWPE blend is decreased from 5.00mm to 3.56mm.
    对于POM/M-UHMWPE(95/5)共混物,摩擦系数从纯POM的0.32下降为0.16,磨痕宽度从5.00mm下降为3.56。
    The frictional coefficient of additional pressure drop related to gas Froude number may be represented by λ_m=3.75F_r~(-1.6).
    而附加压力降关联式中的附加摩擦系数可用气体弗鲁德数来关联,得到λ_m=3.75Fr~(-1.8)的表达式。
    The obtained frictional coefficient is 0.485 at Shengou, 0.57 at Guanchang, 0.556 at Nanma, 0.75 at Zoli, 0.41 at Dingxiling, 0.33 at Xiataoyuan, and 0.705 at Butterfly Spring.
    得到的摩擦系数是:深沟—0.458,官昌—0.57,南马—0.556,苴力—0.75,定西岭0.41,下桃园—0.33,蝴蝶泉—0.705。
    The average of frictional coefficient measured are: (1) Natural fault surface -0.48;
    测得的摩擦系数平均值是:(1)天然断层面——0.48;
    The results showed the frictional coefficient of the prepared material was stable ,around 0.35±0.05 ,frictional loss was 1/2—1/4 less than that of common asbestos friction material ,and the cost was decreased by 1/3—1/2. The friction material was already applied to YWZ— 630/201 and YWZ— 800/320 brakes, Volga and Beijing cars, and run well without noise.
    结果表明,该摩阻材料的摩擦系数稳定在0.35±0.05,磨损率约比普通石棉摩阻材料降低1/2~1/4,成本降低1/3~1/2。 该材料已安装在YWZ—630/201及YWZ—800/320制动器及伏尔加、北京212汽车上进行试验,无噪音运行良好。
    The main characteristic targets were that the tensile strength was 50 - 60MPa, the notch impact strength ≥12kJ/m2, the frictional coefficient was 0.20 - 0.30. The accuracy grade of small mould number gear (m=0.5, Z=72) by this blend could be Grade 7 (See GB2363- 80).
    POM/LDPE/Z-1共混物的主要性能指标为:拉伸强度50~60MPa,缺口冲击强度不小于12kJ/m~2,摩擦系数为0.20~0.30,用该共混物制作的小模数齿轮(m=0.5,Z=72)的精度等级达7级(参见GB 2363-80)。
    when stainless steel rail R=300 mm and the bearing capacity of oil-nylon slipway q=65 kW/cm, the frictional coefficient f<0. 12. The oil-nylon slipway could be used in hydraulic steel gate because of its more than 15 years service life.
    用弧面R=300的不锈钢轨与该滑道作摩擦副,当其承载力q=65kN/cm、q>40kN/cm时,摩擦系数f<0.12,使用寿命达15年,可用于大型水工钢闸门立承滑道。
    The experimental relationship of the frictional coefficient of GH2132 superalloy with the frictional pressure, frictional speed and the temperature at the frictional surface during the initial stage of frictional welding has been set up by using the regression method.
    文中还通过回归方法建立了GH2132材料摩擦焊接初始阶段摩擦系数与摩擦压力、摩擦速度及表面温度之间的经验公式。
    Experimentnl study has been made on the frictional mechanism and the frictional coefficient effecting on the temperature field during the initial stage of the frictional welding.
    对影响摩擦焊接初始阶段温度场的摩擦机制及摩擦系数进行了实验研究。
    The influence of both frictional coefficient and substructure modal to brake squeak is at last studied by using coupling model.
    最后运用耦合模型研究了摩擦系数和子结构模态对制动尖叫的影响。
 

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