纖維摩擦系數 的英文怎麼說

中文拼音 [xiānwéimócāxìshǔ]
纖維摩擦系數 英文
frictional coefficient of fiber
  • 纖 : 纖形容詞（細小） fine; minute
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 摩 : 摩構詞成分。
  • 擦 : 動詞1 （摩擦） rub 2 （用布、 手巾等摩擦使干凈; 揩拭; 抹） wipe; scrub; clean 3 （塗抹; 搽） spre...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 纖維 : fibre; staple; filamentary
  • 摩擦 : 1 （互相接觸的兩物體作來回相對運動） rub; chafe 2 [物理學] （相互接觸的兩物體在接觸面上發生阻礙相...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. We also studied the dynamic characteristics of cf / cu ( c ) - cu composites, the results show that, by the method of graphite is coated with copper, the coefficient of friction and the wear rates remarkably decreased. with the increase of the copper coated carbon fiber content, the wear rates of cf / cu ( c ) - cu composites is notably decreased, while the coefficient of friction is increased. with the increase of electric current density, the wear rate of cf / cu ( c ) - cu composites is increased

    研究發現，碳纖維鍍銅石墨-銅復合材料的電摩擦磨損性能與碳纖維含量存在一最佳值，當碳纖維含量為0 . 6時，其電摩擦磨損性能最好；對于不同電流密度下的電磨損性能的比較可以發現，通電磨損時的電摩擦系數要小於機械磨損時的摩擦系數，碳纖維鍍銅石墨-銅復合材料的電摩擦系數隨電流密度增大先減小而後增大，在電流密度為15a cm ~ 2時達到最小值；通電磨損量要遠大於機械磨損量，且隨著電流密度增大，磨損量增加。
  2. 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。
  3. 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 。
  4. Biology enzyme is adopted to deal with the rabbit wool fibre, which changes the modality and configuration of the rabbit wool fibre, improves fibre ' s surface friction coefficient, fortifies the holding force among the fibres, enhances the spinnability, and meliorates the depilation of the rabbit wool textiles

    摘要對兔毛纖維採用生物酶處理，使其形態結構發生改變，從而提高了兔毛纖維的表面摩擦系數，增加了纖維之間的抱合力，提高了纖維的可紡性，改善了兔毛紡織品的脫毛現象。
  5. And another brake material formula also can be achieved in which the carbon fiber was replaced by the wood fiber based on the researching of the effect of fibre, resin and filler in multi - fibres hybrid composite test result shows that the formula material have a relatively suitable friction coefficient ( ranging around 0. 35 ), good fade resistance and recovery as well as low wear ratio. by comparing the formula material with the product of national and abroad sold in the market, its low cost and excellent properties make a bright prospect

    在研究各種纖維、樹脂和填料對混雜纖維復合摩擦材料摩擦學性能影響的基礎上，本文研製開發出分別適用於中重型車與中小型車用的剎車摩擦材料的最佳配方和一種含木纖維的多種纖維混雜復合摩擦材料的最佳配方。將所選配方的剎車材料與市售的國內外品牌剎車片進行對比，結果表明本課題所開發研製的摩擦材料的摩擦系數都在0 . 35左右，具有很好的摩擦系數穩定性和抗熱衰退性，磨損率也較小，綜合考慮到配方試樣原料成本較低，在性價比上具有一定的優勢。
  6. First, polytetrafluoroethylene ( ptfe ) composites filled with various contents of glass fibers ( gf ) and graphite were prepared by compression molding. the screening friction and wear tests were carried out in a reciprocating sliding tribotester. it is found that the optimal ptfe composite was a ptfe - 25wt. % gf - 5wt. % graphite amongst the composites

    採用石墨與短玻璃纖維（ sgf ）填充ptfe ，制備出一系列ptfe復合材料，在往復式滑動摩擦試驗機進行篩選試驗，結果發現: ptfe - 25 % sgf - 5 %石墨復合材料的摩擦系數與比磨損率都比較低。
  7. As the results, there are distinct hybrid effect between the steel fibre and kevlar fibre, carton fibre and aluminum silicate fiber, which is important to the friction coefficient. the carton fibre and kevlar fibre also have big influence to the friction coefficient for their good characters. the wood fibre has the same character as the carton fibre in the high temperature, being a kind of excellent filler y - 3 filler helps to improve the friction stability and wear - resistance of the friction material by increasing its content

    結果表明，鋼纖維與芳綸纖維、碳纖維與硅酸鋁纖維之間有明顯的混雜效應，對摩擦系數起著十分重要的作用，碳纖維、芳綸纖維自身由於其良好的特性，對摩擦系數也有較大的影響，木纖維在高溫時碳化，起到與碳纖維類似的作用， y - 3填料是一種優良的填料，它的含量增加可以提高摩擦系數的穩定性和耐磨性能。
  8. At the same time, the study shows that adding 30wt cf has little influence on friction coefficient of bismaleimide matrix wearable composite, but it can reduce the wear rating greatly

    研究同時表明， 30份碳纖維的加入，對改性雙馬樹脂基耐磨復合材料的摩擦系數影響不大，卻大大降低了材料的磨損率。
  9. To solve the problem of pollution of asbestos brake shoes, a kind of asbestos - free composition fiber reinforced brake shoes for drilling rigs is developed

    為解決石棉剎車塊對環境的污染和變溫摩擦系數不穩定的問題，中國新星石油公司第六普查勘探大隊研製了無石棉復合纖維增強石油鉆機剎車塊。
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