surface of friction 中文意思是什麼

surface of friction 解釋
摩擦面
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • of : OF ＝Old French 古法語。
  • friction : n. 1. 摩擦，阻力。2. 傾軋，沖突，不和 （between）。3. 擦熱皮膚。
  1. Abstract : molecular deposition ( md ) film, a nano film, is assembled by the interaction of static charge between cationic and anionic compounds. the micro - friction properties of an md film on silica has been studied with atomic force microscope ( afm ). it has been found that the md film has lower coefficient of friction as compared with the original surface of silica. moreover, based on the analyses of the surface force versus distance curves, photographic image, friction force image, and modulated force image, it is concluded that the friction reduction effect of md film on silica is attributed to the surface adhesion reduction and surface micro - modification

    文摘:利用原子力顯微鏡對石英巖表面單層分子沉積膜的微觀摩擦特性進行了研究，發現該分子沉積膜具有一定的減摩性.通過對其表面力-位移曲線、表面形貌像、調制力像和摩擦力像的進一步分析表明，石英巖表面分子沉積膜具有減摩作用的原因在於它能夠降低表面的粘著力並對表面具有微觀修飾作用
  2. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  3. Against slip coefficient between friction surface of high - strength bolted connection

    高強度螺栓摩擦面抗滑移系數
  4. The method can be adopted to research micro dynamic behavior and changing of friction surface and to show mechanism of abrasive wear

    為研究摩擦表面上的微觀動態行為與變化，認識磨粒磨損機理，提供了一種基於微觀數值模擬的途徑和方法。
  5. Abstract : the colour, collapse phenomenon and chemical component of the friction surface of powder metallurgy airplane brake materials with different base are studied in this paper

    文摘:在不同的摩擦速度下，考察了鐵基、鐵銅基及銅基粉末冶金航空剎車材料摩擦面的變化情況。
  6. The pbc technology is a new - fashioned restoration technology of friction surface, and its essential is restoring the friction surface and enhancing the performance of friction - reducing and anti - wear of the friction surface by putting pbc restoration agent into lubricating oil

    摘要摩聖技術是一種新型的摩擦表面再生技術，其實質是通過在潤滑油中添加一種「摩聖修復劑」以達到增強摩擦件減摩抗磨能力、對摩擦表面進行原位免拆卸修復的目的。
  7. 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。
  8. 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 。
  9. It has been discovered that ( 1 ) in the region between 100 - 350 the friction coefficient is lowering along with the swing of temperature ; ( 2 ) the friction coefficient is the highest at the temperature of 500, and adhesive wear occurred ; ( 3 ) the global graphite grain layer appeared at the surface of wear scar at 450n and 300, and played an extremely good effect of lubrication, thus makes a fairly lower wear at the temperature of 300

    發現： （ 1 ）在100 ~ 350區間，隨溫度的升高，摩擦因數在降低； （ 2 ）在500時，摩擦因數最高，且發生了粘著磨損； （ 3 ）在450n ， 300時，磨痕表面出現了球狀的石墨顆拉層，這起到了極好的潤滑作用，使得300時，磨損較低。
  10. Under function of impeller with high rotating speed, the used sand will be cast to the wearable junk ring to remove the inert film on surface of the sand via mutual collision and friction between sand and junk ring, impeller and case of machine, sand and sand

    工作時舊砂在高速回轉的葉輪作用下，拋向耐磨襯圈，通過砂粒與襯圈葉輪與機盒砂粒與砂粒之間的相互碰撞和摩擦，去除砂粒表面的樹脂惰性膜。
  11. Friction creates notches on the surface of the string, leading to premature breakage

    摩擦會導致球線間的切痕，使得球線過早的斷掉。
  12. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜碰撞的情況，根據hertz接觸理論和非線性阻尼項建立法向碰撞接觸模型。引入線性切線接觸剛度建立切向碰撞接觸模型，以考慮接觸過程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含碰撞過程的一致線性化的動力學模型。
  13. After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller

    對低副單向超越離合器的部件進行了加工製造，在超越離合器弧塊表面創新設計加工排油溝，增大摩擦系數，保證實現自鎖，解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析，實驗表明:相同條件下，新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  14. In addition, and the surface of the case is rough and the friction is increased result from the generation of the fouling

    此外，結垢使動、靜槽道表面粗糙，磨擦損失增加。
  15. Thus wear and friction are reduced. 3 ) in the course of friction the nanometer cacos particles and cao particles can fill up the concave of the surface and even sink into substrate and fill in the worn position promptly

    （ 3 ）摩擦過程中納米碳酸鈣、納米氧化鈣粒子能填平摩擦表面低凹處甚至陷入基體中，並可及時填補損傷部位，具有自修復功能，使摩擦表面始終處于較為平整的狀態。
  16. The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board

    摘要對3種機型拖拉機的支重輪與履帶板之間的接觸應力分別在3種工況下進行了有限元分析，得出接觸應力分佈的規律及其最大值，為解決支重輪和履帶板的塑性變形問題及摩擦磨損行為分析提供了有價值的參考數據。
  17. Overrunning clutch as output mechanism of pulse - type stepless transmission is friction roller - type mainly. because roller and output shaft contact with a higher pair, surface of output shaft appears groove mark obviously when repeated driving

    脈動無級變速器的輸出機構? ?超越離合器，目前主要是摩擦滾柱式超越離合器，由於滾柱與輸出軸之間以高副接觸，往復驅動下輸出軸表面明顯出現溝痕。
  18. The results show that for all of parameters considered in this study, the friction factor of fin surface without vgs is smaller than that for fin surface with vgs ; the increase of friction factor under low reynolds number is large, but with reynolds number increasing, the increase of friction factor is quite small

    實驗結果表明：在不同管間距、板間距時，板芯裝渦產生器阻力系數均比光板板芯的阻力系數大，並且在低雷諾數時的增幅比較大，隨著雷諾數的提高，阻力系數逐漸降低並趨于平緩，且阻力系數增幅大大減少。
  19. Sintering or friction all brought about chemical change in the surface of solid lubricant and the change of valen ce state of mo, s, fe and so on ; the micro - hardness of pure ptfe was minimum and the surface - hardness of solid lubricant was increased with the increase of additional packing filler in formula ; the compressive strength of pure ptfe was minimum and its compressive strength could be increased notably by adding organic and inorganic filler. but not more additional amount, more notable increase of compre

    、 feso4 、 cus等物質;燒結及摩擦均使固體潤滑劑表面發生化學變化，使mo 、 s 、 fe等元素的價態發生變化;純ptfe的顯微硬度最低，固體潤滑劑的表面硬度基本是隨著填料加入量的增加而增加的;純ptfe的抗壓強度最低，在ptfe樹脂中加入無機填料均可明顯提高其抗壓強度，但並不是加入量越多，抗壓強度提高越明顯。
  20. Sio _ 2 nano particle concentrates in the boundary lubricant film in the process of friction can repair the wear surface, embody the fine anti - wear performance

    Sio _ 2納米微粒，在摩擦過程中富集在邊界潤滑膜內，能夠對磨損表面起到修復作用，表現出優良抗磨性能。
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