表觀摩擦 的英文怎麼說
中文拼音 [biǎoguānmócā]
表觀摩擦
英文
virtual friction-
In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform
使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。Simultaneity the friction mechanism was investigated based on the surface morphology inspected by sem
運用sem觀測磨損表面形貌，探討摩擦磨損機理。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。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。And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee
而振動作用使物料顆粒間的粘性和內摩擦力大大減小，使物料顆粒的運動速度增大，增加了有效碰撞次數，加快了水泥顆粒表面水化物向液相擴散的速度，從而保證了拌和在微觀水平上的充分進行。Facing the fact that there are significant differences between the tribological performances of the material surface under microscopic and macroscopic conditions and little research has been made in this respect, a measurement method for the micro - tribological performances of the material surface was suggested and a special apparatus was developed
摘要針對微觀條件下材料表面的摩擦學特性與宏觀條件下材料表面的摩擦學特性具有很大差別而國內外在該方面研究較少的現狀，提出了一種對微觀條件下材料摩擦學性能測試的方法並研製出專用儀器微摩擦測試儀。Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model
針對兩種不同的非線性摩擦觀測器，推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式，通過模擬證實，利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。Sintered metal friction materials - determination of apparent hardness
燒結金屬摩擦材料表觀硬度的測定By testing some parameters, such as the maximum non - seizure load, the shape and diameter of wear scar, the friction factor, the nanometer caco3 particles " properties of extreme pressure, anti - wear and friction reduction have been tested and analyzed. the properties of the nanometer caco3 particles " tribology chemistry have been analyzed through x - ray photoelectron spectrum test. also the nanometer caco3 particles " mechanism of anti - wear and friction reduction has been studied systematically
通過測試最大無卡咬負荷、觀察磨斑表面形貌和測定磨斑直徑以及測試摩擦系數，對納米碳酸鈣粒子的極壓性能和抗磨減摩性能進行了分析和研究；通過xps測試對納米碳酸鈣潤滑油添加劑進行了摩擦化學的分析和研究，對于納米碳酸鈣粒子的抗磨減摩機理做了系統的分析。The decisive nano forces are pointed out to he van der waals force, repulsive contact force, nab frictional force, capillary force and nano electrostatic force, and their calculation formulas are also deduced
指出起主要作用的納觀力為范德華力、接觸斥力、納米摩擦力、毛細作用力以及納米靜電力等五種，並初步推導了各種納觀力的表達形式。In this article, the reason how the friction produces in the process of metal forming was analyzed, and the friction was thought to be mainly caused by the plastic flow of metal in the pits of tool surface
本文從微觀入手對金屬壓力成型過程中摩擦的形成原因進行了分析，認為摩擦主要是由於被壓入工具表面凹坑金屬的塑性流動所引起的。分享友人