摩擦性能 的英文怎麼說
中文拼音 [mócāxìngnéng]
摩擦性能
英文
frictional property-
Standard test method for measuring the frictional properties of winter contaminated pavement surfaces using an averaging - type spot measuring decelerometer
用平均型斑點測量減速計測量冬天受污染路面摩擦性能的標準試驗方法And also, the wear resistance at ambient temperature and of za27 alloyed with mn when lightly loaded is desirable but becomes worse at high temperature. the wear mechanism of the one mixed with both adhesive and abrasive wear under sliding friction conditions ( at high temperature )
Si的加入量為1 - 3時, za27合金的磨損量最少,高溫摩擦性能最好;加入mn后, za27合金在低溫輕載下耐磨性能較好,高溫耐磨性能不理想;在滑動摩擦條件下(高溫)的磨損以粘著磨損和磨料磨損兩種方式共同存在。But when heavyly loaded, the former is far better than the latter. the wear resistance of za27 alloyed with mn is no obviously better than that of common za27 alloy. under the sliding friction conditions, the wear resistance at high temperature of za27 is improved by alloyed si and reaches the highest level when the content of si is 1 - 3wt. %
裂紋主要始於脆性相si相和mn相,裂紋沿晶界擴展;在滑動摩擦條件下(常溫) ,含si的za27合金在載重較小時,耐磨性與普通za合金相比沒有明顯提高,但在載荷較大的情況下,其耐磨性遠高於普通za27合金材料;加mn的za27合金與常規za27合金相比,耐磨性沒有明顯提高;在滑動摩擦條件下, si的加入提高了za27合金的高溫摩擦性能。Rubber - determination of frictional properties
橡膠.摩擦性能的測定Research on frictional properties of rubbing resistance material compounded with cast fiber
鑄鐵纖維復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
用英國擺錘檢驗器測定表面摩擦性能的方法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表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。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
經過查閱大量國內外文獻資料后確定原料為:聚四氟乙烯樹脂為基體,加入石墨、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用樣條函數找出配方與摩擦性能的關系,然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。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
試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Tribological characteristics of green water - based lubricants with polyethoxylated chains
幾種含聚氧乙撐鏈基綠色水基潤滑劑的摩擦性能比較The testing results showed that the material with good friction stability and high dynamic mechnical properties was an idea brake friction material
經檢測,該材料力學性能較高,摩擦性能穩定,摩擦因數在0 . 45 ~ 0 . 60 ,同時具有較好的耐磨性。Automotive brake fluid and anti - brake system
汽車制動器摩擦性能慣性臺架測試新方法Road vehicles - brake linings - evaluation of friction material characteristics - small sample bench test procedure
汽車制動器襯片摩擦性能評價小樣臺架試驗方法It is showed that by using the phenolic resin and the fiber, the clutch friction materials could be manufactured with good properties such as stable friction coefficient, low wear rate, high fade resistance at 350, and suitable porosity
結果表明,採用三組份酚醛樹脂和混雜纖維可以制備出摩擦性能良好, 350不發生熱衰退的離合器摩擦材料,且材料具有合適的孔隙率。Tests are carried out on mechanical performance, tired performance, rubing performance and gasket to bear the weight of performance to analyze the existing problems in the assemble technology of bolt production. the improvement measures of this model the cylinder head and the corresponding torsion and checks the standard are put forward in the thesis according to actual product conditions
對缸蓋螺栓機械性能、疲勞性能、摩擦性能及缸墊承載性能進行了測試,分析了現生產螺栓裝配工藝存在的問題,根據實驗情況及生產條件,提出了該機型缸蓋螺栓裝配工藝改進措施及相應的扭矩檢查規范。The arctic fox wool, the shanxi sheep camel ' s hair, the angolan rabbit hair, the hair of nyctereutes ussurienusis mstscie were researched on the density, the compression performance, the friction performance and the stretch mechanics performance through the contrast analysis
摘要通過對北極狐絨毛、山西羊駝毛、安哥拉兔毛、烏蘇里貉絨毛等的密度、捲曲性能、壓縮性能、摩擦性能和拉伸力學性能的測試,分析了它們之間的差異。Tribological properties and mechanism of fe - cr - ni coating
耐磨塗層的摩擦性能及作用機理The performance of hydraulic transmission fluid no. 8, hyper automatic transmission fluid ( atf ), continuously variable transmission fluid ( cvtf ) were compared. the compared results are the reference of chosing the right fluid in cvt. the mechanism of znddp additive how effects on the performance of cvtf is investigated by x - ray photoelectron spectroscopy ( xps )
( 4 )研究了cvt對油品的品質需求,並進行了8號液力傳動油、 atf油和cvtf油的理化指標和摩擦性能對比測試,實驗結果為cvt變速器油的選用提供了參考;用x -射線光電子能譜儀對znddp添加劑的作用機理進行了研究,通過四球磨斑實驗,驗證了znddp添加劑對自動變速器油的改性作用,為國內cvtf的研製指明了方向。Abstract : with the graphite content adjusted, a friction performanceexperiment is carried on the iron - base powder alloy brake material sample. the results show that the graphite increases with the decrease of the strength and the static friction coefficient of the material, while the dynamic friction coefficient increases correspondingly
文摘:調整鐵基粉末合金剎車材料中的石墨含量,製成摩擦試樣進行摩擦性能試驗,結果表明材料中石墨含量增加,其強度會隨之下降,摩擦系數也隨之下降,而動摩擦系數則隨之上升。With the graphite content adjusted, a friction performanceexperiment is carried on the iron - base powder alloy brake material sample. the results show that the graphite increases with the decrease of the strength and the static friction coefficient of the material, while the dynamic friction coefficient increases correspondingly
調整鐵基粉末合金剎車材料中的石墨含量,製成摩擦試樣進行摩擦性能試驗,結果表明材料中石墨含量增加,其強度會隨之下降,摩擦系數也隨之下降,而動摩擦系數則隨之上升。分享友人