磨损率
- 名Wear rate;rate of wear
![磨损率](../cache/1399766.jpg)
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在高铝锌基合金ZA&27中,加入5%(wt)以下的石墨时,仍保持比较高的力学性能。而摩擦系数和磨损率则得到成倍的降低。
Adding below 5 % ( wt ) of graphite in high aluminium zinc based ally ZA-27 , the composite remains higher mechanical properties and its frictional coefficient and the rate of wear reduce by a big margin .
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结果表明,随接触压力的增加,材料的磨损率增加;随摩擦速度的增加,材料的磨损率减小。
The experimental results indicate that with increasing of contact pressure the rate of wear of materials increases and with increasing of sliding speed the rate decreases .
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内衬磨损率为每年(0.26±0.10)mm。
The liner wear rate was ( 0.26 ± 0.10 ) mm / y.
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SiC随载荷增加摩擦系数减少,但磨损率随载荷增加而增加。
With load increased , friction coefficient decreases , wear rate increases .
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随着Al含量的增加,材料的油摩擦因数先减小后增大,磨损率随着Al含量的增加而降低。
The dry friction coefficient and wear rate reduce at first and increase then with the increasing of Al content .
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经过2500℃处理的C/C材料,不仅刹车过程平稳,湿态平均动摩擦系数衰减少,而且磨损率小。
After C / C composites were treated under 2500 ℃, they had smooth brake process and small wear , and their average dynamic FC was slowly decreased in damp condition .
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PTFE与Ni、P合金共沉积,降低了镀层的摩擦系数及磨损率,增强了镀层的减摩、自润滑性能。
PTFE together with Ni , P alloy deposition , reducing the coefficient of friction and wear of coating enhances the friction-reducing , self-lubricating coating performance .
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通过回归分析和可靠度计算,得到在给定磨损率下C/Cu复合材料在不同可靠度下的p&v曲线族及其计算方法,为使用C/Cu复合材料提供了设计数据。
According to the reliability calculation and regression analysis , the calculating procedure of ρ - ν curve of C / Cu composite material at the different reliabilities is obtained .
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经等离子体处理后,UHMWPE的摩擦系数都有所增大,但其体积磨损率却不同程度的有所下降。
The friction coefficient of UHMWPE increased , but the volume wear rate decreased after plasma treating .
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PI薄带在沙尘环境中的平均磨损率比在无沙尘环境中的平均磨损率高出4个数量级。
The mean wear rate of PI tape in the sand dust environment is about 4 orders higher than that in the clean air environment .
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在相同的条件下,纯Al2O3陶瓷的摩擦系数和磨损率较大,而含有增韧补强剂的Al2O3基陶瓷材料的摩擦系数和磨损率较低。
The friction coefficient and the wear rate of pure Al_2O_3 ceramic were higher than most of Al_2O_3-based ceramics with reinforcing and toughening additives under the same conditions .
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通过测试SiC和SiCTiB2的高温摩擦系数和比磨损率与温度、外加载荷的关系,研究了SiCTiB2复相陶瓷的高温摩擦学性能。
Tribological characteristics of SiC and SiCTiB_2 at elevated temperature were investigated by testing the fraction coefficient and specific wear rate at different temperatures and different pressures .
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随滑动速度增加,不同钛含量的DLC膜的摩擦系数和磨损率降低。
The friction coefficient and the wear rate of Ti-DLC films are decreased with the rise of velocity .
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回归模型和BP网络模型都能够用来对销盘磨损率进行预测,但BP模型预测的精度更高。
The regression model and BP network model all could be used to predict the pin on disk dry sliding wear rate , but the BP model forecast were more accurate .
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高于400°C后,两种复合镀层的硬度又开始下降,磨损率上升。直流及脉冲复合镀层在600°C以下氧化增重都较小,600°C以后氧化增重明显增加。
The oxidation weight increase of both DC and pulse deposited composite coatings is smaller when the temperature is below 600 ° C , but it will increase remarkably when the temperature is beyond 600 ° C .
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三维编织C纤维/芳纶纤维混杂增强铸型尼龙(简称HF/MCPA)复合材料中随C纤维相对体积比的提高,磨损率下降而摩擦系数变化不大。
Wear rate of 3-D carbon / Kevlar hybrid fiber reinforced MCPA ( HF / MCPA ) composites decreases with the increase of the carbon fiber volume fraction , but its friction coefficient has no significant change .
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随着复合镀层中纳米TiO2含量的增加,纳米复合镀层的显微硬度也相应地增大,而镀层的磨损率逐渐减小。
The microhardness of the NiCo / TiO2 nanocomposite coatings increases and the wear rate decreases with increasing weight percentage of the nano-TiO2 in plating solution .
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结果表明:Al2O3/TiC复合陶瓷拉丝模材料磨损率随试验转速升高而下降,但压力变化对磨损率的影响不大。
Results show that the wear rate of Al_2O_3 / TiC ceramic composite declines with the increase of rotation speed , but the shifted pressure on specimen has little effect on wear rate .
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对细粒子来说(如小于2μm的PTFE)能在对磨件表面形成转移膜,降低摩擦系数,其磨损率略有提高。
Fine particles ( as PTFE particles < 2 μ m ) came off constantly and formed a transfer film on the surface of the friction couple .
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当纳米Al2O3的质量分数为5%~7%时,PEEK复合材料的摩擦因数和比磨损率最低;随着外加载荷的变化,摩擦因数呈现一定的变化规律。
For the composite nano-Al_2O_3 / PTFE / PEEK , its comprehensive tribological behavior was excellent at a mass fraction between 5 % and 7 % .
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在高温条件下,小颗粒尺寸的反应烧结SiC易形成稳定连续的平滑薄膜层,使得摩擦系数和磨损率降低,具有较好的高温自润滑性能;
However , the friction coefficient and wear rate of RB-SiC with fine particle size would be decreased because it was favorable to form a smooth and stable oxidation film on friction surface .
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结果表明,在不同摩擦环境下,多层结构对DLC多层膜的摩擦系数影响较小,但对其磨损率影响较大。
By compared with single-layer DLC film , the change of the multilayer structure had little influence on friction coefficient of the multilayer films .
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温度对SiCTiB2/SiCTiB2摩擦系数和比磨损率的影响与载荷有关。
The impacts of temperature on friction coefficients and specific wear rates of self-mated pairs of ( SiC ) TiB_2 depend on the contact pressure .
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结果表明,随着Al2O3含量的减少,助烧剂AS含量的增大,摩擦材料的致密化程度整体为下降趋势;材料的摩擦系数逐渐减小,磨损率减小;
The study shows that friction coefficient , wear rate and mechanical properties of Al_2O_3-based ceramic materials all have the trend to decrease , with the amount of Al_2O_3 decreasing and the amount of sintering agent increasing .
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磨损率随载荷的增加而增大,但是粘结剂含量的增加可以明显降低WC基硬质合金磨损率,主要原因是粘结剂含量不同导致磨损机理不同。
The wear rate increased as the load increasing . But the content of cement could change the wear rate of tungsten carbide obviously , the main reason being different wear mechanism .
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LS-901催化剂是新研制的TiO2基抗硫酸盐化作用硫磺回收催化剂,具有机械强度大、热稳定性和水热稳定性好、磨损率低等特点。
The recently developed LS-901 is an anti-sulfating TiO2 based catalyst for sulphur recovery , which possesses the characteristics of high mechanical strength , good thermal and hydrothermal stabilities , and low attrition loss .
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Al含量为8.13%的合金基体组织主要由(γ+γ′)共晶组成,晶粒尺寸显著细化,其综合力学性能显著提高,摩擦因数小,磨损率低。
The matrix structures of alloy with 8.13 % Al consist of (γ + γ′) eutectic phases . The grain size is refined obviously and the comprehensive mechanical properties improve obviously . The wear coefficient and the wear loss rate are little .
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测试出Al2O3基复合陶瓷材料在不同转速和载荷下,摩擦因数和磨损率的变化规律。
Test and work out the coefficient of friction and the wear rate of Al2O3-based ceramic composite at the different rotate speed and the different load , point out the change trend of it .
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当pv值低于63N·m/s时,材料的摩擦系数和磨损率较高,主要磨损机理为粘着磨损和疲劳磨损;
At a pv value below 63 N · m / s , high friction coefficient and wear rate of the composite are observed , and the main wear mechanisms are adhesion and fatigue wear .
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摩擦系数随载荷增加有所降低,对磨副(G8硬质合金)的磨损率随载荷上升而增大。
The friction coefficient of the material will decrease while the wearing rate of the friction pair [ G 8 carbide ] will increase , as the load increases .