solid friction 中文意思是什麼

solid friction 解釋
固體摩擦
  • solid : adj 1 固體的;實心的,實質的,密實的。2 【數學】立體的,立方的,三維的。3 結實的,堅強的,堅固的...
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  1. 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。
  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. Dry friction occurs when one solid body slides on another.

    一個固體在另一個固體上滑動時出現的現象,稱為干摩擦。
  4. Friction stir welding ( fsw ) is a solid - phase welding operated under the melting point of workpiece materials ; it ' s a technology which uses an anti - friction tool to join the sheet or shaped materials in rotary circs, and can be used in the welding of aluminum, magnesium and copper and has good welding quality

    摘要摩擦攪拌焊( fsw )是在低於工件材料熔點情況下操作的固相焊接,是在旋轉情況下通過一種耐磨工具將板材或型材材料連接的工藝,可用於鋁、鎂、銅等的焊接,焊接質量優良。
  5. Standard test method for coefficient of friction, yarn to solid material

    紗與固體材料磨擦系數的標準試驗方法
  6. Based on reynolds equation and solid particles carrying model, a theoretical model for piston ring - cylinder liner lubrication in liquid - solid lubrication had been proposed. the effect of solid particles " diameter and concentration are introduced in the model. the influence of the particles " diameter and concentration on load, film thickness and friction force had been analyzed

    基於reynolds方程及顆粒承載模型,引入顆粒直徑、濃度等參數,並建立了分析液固二相潤滑下活塞環?缸套摩擦副潤滑狀態的模型,探討了不同顆粒直徑和濃度對承載、油膜厚度及摩擦力的影響。
  7. The processes of hot - spots formations of cracks friction in solid propellants under normal pressure and shear stress, are analyzed numerically

    對壓力和剪力作用下丁羥推進劑( htpb )和高能推進劑( nepe )裂紋摩擦熱點形成過程進行了數值計算。
  8. The signal processing software was developed by vc + + tools. the modules of the software including board controlling, signal input, data saving, figure display, statistic computing, filter design, spectrum analysis, etc. based on the experiment performed on the piston ring - cylinder bore wear tester, the friction force and max scuffing load under different liquid - solid lubrication ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight, the type of particles are mos2 and udp ) is investigated in this thesis

    然後,以內燃機中的活塞環-缸套摩擦副為目標,在活塞環-缸套摩擦副實驗臺架上進行模擬實驗,考察在不同二相流潤滑(潤滑油分別為純潤滑油、含納米級金剛石粉( udp ) 、二硫化鉬粉( mos _ 2 )的濃度為0 . 02和0 . 1的液-固二相潤滑油)條件下摩擦副的摩擦力及極限擦傷載荷的變化。
  9. Special - shaped column frame, its seismic behavior is studied and a new dissipating - seismic - energy structure, r. c. special - shaped column frame with viscoelastic friction damper ( f - ved ) is proposed and studied. a three - dimension solid element model is established for a special - shaped column frame to study its seismic behavior and time history responses under earthquake, some conclusion is drawn about its characteristics of force and displacement under horizontal earthquake action

    為了進一步推廣和擴大異型柱框架結構的應用范圍,本文對異型柱框架結構在水平地震作用下的受力特點和抗震性能進行了研究,並提出在異型柱框架中設置粘彈性?摩擦阻尼器( viscoelastic - frictiondamper ,簡稱f - ved ) ,對其進行了水平地震作用下的減震控制研究。
  10. 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。
  11. Most interestingly, unlike conventional carbides, it can be easily machined by regular tools without lubricant, which is of great technological application potential. moreover, ti3sic2 is an exceptional solid lubricant with an ultra - friction coefficient lower than mos2 and graphite

    尤其引人注意的是ti _ 3sic _ 2具有可加工性,很容易使用傳統工具進行機械加工,還具有比mos _ 2和石墨更低的超低磨擦系數和優良的自潤滑性能。
  12. According to the meso - scale structural characteristics of composite solid propellants ( csp ), the damage modes in csp induced by mechanical impacts, and the conclusions of former research, crack friction is considered to be the key factor for csp hot - spots

    本文根據固體推進劑細觀結構特徵及撞擊載荷作用下的損傷破壞模式,結合相關理論分析結果,將裂紋摩擦作為推進劑熱點形成的關鍵因素。
  13. This is because a solid film can be formed in the coating containing ptfe. it features good lubricity, less friction coefficient. at the same time, the sic particles can improve the wear resistance of the coating

    這是由於鍍層中的ptfe微粒在磨損時可形成固體潤滑膜,具有潤滑性好、摩擦系數小等特性;而鍍層中的sic硬質粒子提高了鍍層的耐磨性。
  14. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授(導師)提出的預測非均質流在水平管道及向上傾斜管道流動時的速度分佈及摩阻損失的理論的基礎上,從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之間的關系,進而推導出了向下傾斜及垂直管道沉降性漿體輸送的摩阻損失的計算公式。
  15. In the model, many processes or phenomena such as crack friction and growth, heat conduction, phase transformation of oxidant particulates, heat generation by viscous liquid layer, chemical reactions of gases in cracks, heat and mass exchange between phases of gas and solid, are described

    模型描述了裂紋滑移擴展、熱傳導、含能顆粒相變、液化層粘性加熱、裂紋內氣相反應、氣相固相質量能量交換及與裂紋擴展耦合等過程。
  16. Research progress on low friction coefficient solid lubricating coatings

    低摩擦系數固體潤滑塗層研究進展
  17. When they failed to appreciably extend wheel life, the metro decided to test kelsan ' s lcf ( low coefficient of friction ) solid - stick, vehicle - mounted, lubrication system

    在發現這些方法都無法有效延長車輪壽命后,公司決定測試凱爾森的車載lcf (低摩擦系數)固體潤滑系統
  18. Application and preparation of new - type high temperature resin matrix friction - reducing composites and nano - solid lubricant

    新型耐高溫樹脂基減摩復合材料及納米固體潤滑劑的制備與應用
  19. In conclusion, the aligned carbon nanotube film synthesized on the porous anodic aluminium oxide template shows the excellent friction property and potential applications as solid lubricants and wear resistant materials

    綜上所述,在多孔aao模板上生成的定向納米碳管薄膜是一種具有優良摩擦性能的先進材料。
分享友人