摩擦硬度 的英文怎麼說
中文拼音 [mócāyìngdù]
摩擦硬度
英文
abrasive hardness- 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...
- 硬 : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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...
- 硬度 : hardness; solidity; scirrhosity (腫瘤的)
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The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent
回彈角隨凸模圓角半徑和凸凹模間隙的增大而增大,隨壓邊力、板料厚度、摩擦系數和材料硬化指數的增大而減小。The variation of friction coefficients of pa6 composites with loading also accords with the friction behaviors of elastic materials under lower load ( p < 100 n ) ; for cu counterface, the friction coefficients of pa6 composites increase with the increasing of filler contents at the same load
我們認為,聚合物材料的摩擦系數變化除了與材料本身性能有關外,還與摩擦副的硬度有關。納米al _ 2o _ 3的加入,尼龍6的磨損量下降,但是對于尼龍6而言,存在一個最浙江The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。This paper supplies the theoretical analysis and practical discussion on lateral force & friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & friction property on domestic equipment comprehensively
該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數Abstract : this paper supplies the theoretical analysis and practical discussion on lateral force & amp; friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & amp; friction property on domestic equipment comprehensively
文摘:該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數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。This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load
這種高硅變形鋁合金具有密度小和200以下良好的熱穩定性,特別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和摩擦載荷的零件。Test method of rockwell hardness for friction materials
摩擦材料洛氏硬度試驗方法In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied
研究路線為:選用納米級al _ 2o _ 3陶瓷顆粒作為增強相,在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆,採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。The friction of n-butylstearate initially decreases with increasing temperature.
N-硬脂酸丁脂的摩擦開始時隨溫度的上升而下降。Method of hardness test for brake linings, pads and clutch facings of automobiles
汽車制動片制動襯塊和離合器摩擦襯面硬度試驗的方法Effects of diamond particles and their adding contents on the coating hardness, friction coefficient, wear resistance, corrosion current density and microstructures were studied
研究了金剛石粒子及其添加量對塗層硬度、摩擦因數、耐磨性能、腐蝕電流密度和微觀組織的影響。The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts
實驗結果表明:對船閘摩擦副材料及硬度值進行合理的匹配,提高船閘運轉件摩擦副零件的加工精度及表面粗糙度,以及運用正確的潤滑方式對摩擦副進行潤滑,能顯著提高零件的耐磨性能,較大地延長了船閘運轉件的使用壽命。The authors present the review on dry sliding friction and wear behaviour of particle reinforced aluminum matrix composites in recent years, including friction behaviours, wear mechanisms and applications of these composites
離子注入是一種新興的束流表面強化技術,離子注入陶瓷材料可使其表面的力學性能如斷裂韌度、硬度、彎曲強度、摩擦學性能等得到改善,它為解決結構陶瓷韌性不足、摩擦磨損率較高等問題開辟了新的技術途徑。The hardness of coating was inspected by the mvk - h3 hardness test machine and the crystal process was tested on the dsc - tga heat and weight ananysis machine. the gliding abration test was on the mpx - 2000 friction and abration machine and the abration morphoy was tested by philips xl30 peg sem
Mvk - h3型顯微硬度計測鍍層硬度,鍍層的晶化過程採用dsc - tga熱重分析儀進行的,在mpx - 2000摩擦磨損試驗機上進行滑動磨損試驗, philipsxl30feg型掃描電鏡觀測鍍層磨損后的形貌。Sintered metal friction materials - determination of apparent hardness
燒結金屬摩擦材料表觀硬度的測定The vc - fe surface composite shows high wear - resistance, it ' s wear - resistance is 4. 20 times as that of chilling respectively. with the content of v increasing, it ' s rigidity and wear - resistance increases continually. more vc grains gained, and well distributed, better wear - resistance the vc - fe surface composite will show. ( 7 ) surface cermet composite was formed by the means of cast - sintering technique, with the help of adding wc grains and the quantity of heat sent out from the reaction v + c vc, the carbide cermet quality percent exceeds 60 %
在重載干滑動摩擦條件下, vc一fe表面復合材料顯示了很高的耐磨性,其相對耐磨性是可淬硬鑄鐵的4 . 2倍:隨著含v量的增加, vc一fe表面復合材料的鑄態硬度和耐磨性不斷提高, vc顆粒越多,分佈越均勻,表面復合材料的耐磨性就愈好。Diamond is a remarkable material due to its special crystal structure, which shows high hardness, low friction coefficient, high thermal conductivity, high optical transparency, low permittivity and high band gap etc. cvd diamond films are widely used in mechanical coating, heat sinks, optical window, semiconductor devices and other application fields because of its low price and high performance
金剛石的特殊晶體結構使其成為一種性能優異的功能材料,它具有高硬度、低摩擦系數、高熱導率、高透光率、低介電系數和高禁帶寬度等性質。化學氣相沉積制備金剛石膜成本低、質量高,廣泛應用於工具塗層、熱沉、光學窗口、半導體器件等方面。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。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 % 。分享友人