磨損均勻性 的英文怎麼說

中文拼音 [mósǔnjūnyúnxìng]
磨損均勻性 英文
even wear
  • 磨 : 磨動詞1 （摩擦） rub; wear 2 （研磨） grind; mull; polish 3 （折磨） grind down; wear down [out]:...
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
  1. The highlights of this paper include : hoop toughness criterion for longitudinal heat checking of tool joint was introduced firstly ; failure criterion for crescent - shaped wear casing was established according to the results of full - scale collapse tests ; new - typed alloy for hardbanding of tool joint was developed, its property has showed good performance in the tests

    本文的主要創新點在於：以現場失效案例分析為基礎，提出了鉆桿接頭縱向熱裂的橫向韌性判據；通過對已磨損套管的實物擠毀試驗研究，確定了不均勻磨損套管的擠毀失效準則；設計出了具有獨立知識產權的鉆桿接頭硬化帶用新型耐磨減摩合金的成分，經實驗室試驗表明其性能可以達到或超過國外同類產品。
  2. 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 。
  3. It advances that the non - lapping envelope region is a major fact of generating roundness errors and inquires into the effects of ball roundness with non - lapping envelope region, preliminary pressure error and lap tool wear

    根據四研具體對球面研磨的包絡原理，提出了未包絡研磨區是產生殘存圓度誤差的主要因素，並探討了未包絡研磨區、四研具初始壓力誤差、研具磨損不均勻性產生的原因和對研磨殘存圓度誤差的影響及解決措施。
  4. The 2014 aluminium alloy treated by 500 solution and 165 ageing has fine alloy phases distributing equably, higher mechanical properties, thus the wear resistance is improved

    經500固溶和165時效處理后，其合金相分佈細小、均勻，力學性能較高，磨損時，在出現了犁溝的同時，還存在粘著剝落坑，磨痕最淺，耐磨性提高。
  5. Among these physical properties are appearance, wear resistance, hardness or brittleness, residual stress, porosity, thickness, and deposit uniformity.

    這些物理性能有外觀，抗磨損性，硬度或脆性，殘余應力，孔率，厚度和沉積層的均勻度。
  6. Compared with those of as - sprayed ring, hardness and tension strength of area near processing face are increased by 45 % and 40 % respectively. friction mechanical performance of the ring is improved at large extent, and especially the wearing amount is merely 13 % of as - sprayed rings. after dual - direction cyclic pressing, the pore - closed state and the distributing of density and hardness are nearly identical in every part of ring. the friction mechanical property is close to that of single - direction - cyclic - press ring

    靠近壓力加工面部位，硬度較沉積坯提高了45 % ，拉伸強度較沉積坯提高了40 % 。雙向楔壓后孔洞閉合、密度硬度分佈都比較均勻。單向楔壓后，用壓力加工面作為摩擦面， al - 20 % si / sicp復合材料的摩擦磨損性能得到大幅度提高，尤其磨損量為楔壓前的13 % 。
  7. The development status and trend of gasoline engine oil at home and abroad are described in this paper. the tribology and lubrication characteristic and lubrication mechanism of the main tribo - pairs of gasoline engine are analyzed simply. in this paper base oil and some additives are chosen reasonably according to the lubricantions principal and a lot of data. the uniform design of experiment is used to arrange multi - level and multi - factor experiments. the stepwise technique is adopted to analyze the result. the sensitivity and compatibility among additives and the base oil are studied by a series of tests. on the basis of analyzing the low temperature capability the optimum of 15w / 40 sh gasoline engine oil is presented. at last, the property of this formulation is evaluated by comparing with the imports. the test result shows that their qualities are equivalent

    本文介紹了國內外汽油機油的發展現狀以及發展趨勢，通過分析汽油機主要摩擦副的摩擦磨損特性和潤滑狀態以及汽油機對潤滑油的性能要求，在潤滑理論的指導下和參閱大量資料的基礎上，合理地選擇基礎油和添加劑。本文用均勻實驗設計安排實驗，用逐步回歸技術進行結果處理，分析了基礎油對添加劑的感受性和添加劑之間的配伍性。在重點考察汽油機油低溫性能的基礎上，提出了15w 40sh級汽油機油的優化配方。
  8. By using finite element method, full - scale tests and the strain survey method, as for the crescent - shaped wear casing, this paper has discussed on mechanism of casing collapse and its influence on casing collapse. furthermore, computing method for both uniform wear and crescent - shaped wear situation was introduced, which can be used directly for casing string design

    採用有限元分析、實物試驗及實驗應變測量方法，研究了套管產生不均勻磨損時的擠毀失效機理及其對套管擠毀性能的影響，確定了均勻磨損和不均勻磨損對套管擠毀性能的計算方法，研究結果可直接用於套管柱強度設計和校核中。
  9. Cyclic symmetry in blade - disc assembles is often destroyed by small differences in the individual blades ’ structural properties that result from manufacturing and material tolerance, this phenomenon commonly knows as mistuning

    葉片?輪盤的周期對稱性經常由於製造、材料以及非均勻磨損和其他因素被破壞，引起系統出現失調現象。
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