corrosion coefficient 中文意思是什麼

corrosion coefficient 解釋
腐蝕系數
  • corrosion : n. 腐蝕,侵蝕;【植物;植物學】溶蝕。 corrosion preventive 防腐劑。
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types

    硬質合金模具採用優質合金作模芯,並用鋼質模套緊固,具有硬度高,導熱性能好,磨擦系數小,抗腐蝕性等特點,適用於拉制金屬線材,棒材,管材等,另外,模具的類型有矩型、六角型、八角型、菱型、梯型、凹型凸型、馬蹄型、半圓型等各種異形模。
  2. 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。
  3. Through the investigation research on practical damaged element, considering the effect of corrosion, high temperature, wet environment, damage ( crack ) on structural durability, bearing capacity. this paper established the reliability analysis method of large - scale industrial factory, and applied the fuzzy mathematics to establish the factor set and weight coefficient set on the basis of expert experience. an analyzed method for fuzzy evaluation of structural element and bent frame structure system reliability is put forward

    通過對實際結構破損構件的調查,考慮腐蝕,高溫,環境潮濕,破損(裂縫)等因素對結構耐久性、承載力的影響,論文建立了大型工業廠房可靠度的計算方法,利用專家經驗和模糊數學方法建立了模糊評價的因素集和權重集,對鋼筋砼結構構件和廠房排架結構體系進行了模糊評價。
  4. Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up

    從而得到結論:在氯離子擴散系數一定的情況下,在一定時間范圍內,矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸; ( 4 )通過矩形截面邊角區域鋼筋初始銹蝕時間的計算,分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響,並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
  5. Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion

    討論了影響矩形截面以及圓形截面修正系數的因素: ( 1 )從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關; ( 2 )通過圓形截面數值計算結果的分析,發現圓形截面修正系數與保護層厚度基本成線性關系,並建立了二者之間的聯系;分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響,從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法; ( 3 )在矩形截面氯離子侵蝕下,混凝土處於二維擴散狀態。本文通過計算分析,證明二維擴散的影響區域從邊角開始向中間逐步擴散,並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。
  6. And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete

    本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象,採用濕通電法對鋼筋混凝土進行加速銹蝕,同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試,分析銹蝕參數的變化規律,並通過測定cl -擴散系數來評價其抗滲性。
  7. Research on the generality of the pre - corrosion influence coefficient curve of fatigue life

    疲勞壽命預腐蝕影響系數曲線通用性研究
  8. On the basis of the theory of reinforcement corrosion caused by chloride, a chloride diffusion model considering the time - dependent quantities of diffusion coefficient and surface chloride concentration for predicting the content of chloride in concrete is presented in this paper, at the same time, the determination of model factors are analyzed

    論文以氯離子對混凝土結構的侵蝕機理為基礎,在不同氯腐蝕環境下,建立了考慮氯離子擴散系數的時間依賴性及其它因素影響的改進氯離子擴散模型,並對模型參數的選取和確定進行了深入討論。
  9. Micro - bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion - proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall

    無石棉微孔硅酸鈣是一種白色、硬質的新型保溫材料,具有容重輕、強度高、導熱系數小、耐高溫、耐腐蝕、能切、能鋸等特點被廣泛應用於電力、冶金、石化、建築、船舶等領域的設備管道、墻體屋面的保溫隔熱和防火隔音。
  10. Owing to its combinations of high red - hardness, low friction coefficient, good wear resistance, excellent corrosion resistance and low cost, etc, ti ( c, n ) based cermets is in a process of replacing the tic based cermets and conventional wc - co cemented carbides in cutting tool applications

    Ti ( c , n )基金屬陶瓷具有紅硬性高、摩擦系數低、耐磨性好、耐腐蝕性高等特性,並且在市場成本上佔有明顯優勢,在刀具應用領域大有取代傳統wc - co硬質合金和tic基金屬陶瓷之勢。
  11. The result indicates that when the air content of the concrete changes from 1 to 4 percent, the polarized resistance of the identical flow electricity time increases along with the increment of the air content, the corrosion current density reduces along with the increment of air content, the chloride ion diffusion coefficient reduces with the increment of air content ; when air content changes from 4 to 6 percent, the rule of the change of the polarized resistance and corrosion current density happens to be the opposite, the diffusion coefficient of the chloride ion increases along with the increment of air content ; when the air content is 4 percent, the rust - resisting property of concrete is best, and so is the impermeability of the concrete

    試驗結果表明,混凝土的含氣量在1 . 9 % ~ 4 . 2 %變化時,極化電阻隨含氣量的增大而增大,腐蝕電流密度隨含氣量的增大而減小, cl -擴散系數隨含氣量的增大而減小;當含氣量在4 . 2 % ~ 6 . 4 %變化時,極化電阻、腐蝕電流密度和cl -擴散系數的變化規律則相反;當含氣量為4 . 2 %時,抗鋼筋銹蝕性能最佳,抗滲性最好。 cl -擴散系數與鋼筋銹蝕參數在一定程度上有著良好的相關性,抗滲性的結果較好地反映了混凝土中鋼筋銹蝕的程度,可以用cl -擴散系數評價引氣混凝土的抗鋼筋銹蝕性能。
  12. There come two questions when the temperature of gas is low. one is that metal consumed in air pre - heater is relatively more, due to lower temperature press and heat transfer coefficient. the other is that corrosion of pipe result from so2, which exists in gas

    由於煙氣溫度低而產生了兩個問題:一個是傳熱溫壓小,管子所用金屬的消耗量相對比較多;另一個是受熱面的管內側金屬壁面容易出現低溫腐蝕。
  13. The quantitative relationship between the corrosion residual life and corrosion rate, variation coefficient, corrosion allowance and reliability is built up, and equations for calculating the corrosion residual life are derived

    初步建立了腐蝕剩餘壽命與腐蝕速率及變異系數、腐蝕裕量、可靠度之間的定量關系,得到了確定腐蝕剩餘壽命的計算公式。
  14. Cnx coating provided a comparable to or better surface than dlc for the normal cellular attachment, growth and morp hology. compared with dlc, cnx coating also exhibited higher hardness, lower coefficient of friction, lower roughness, and lower corrosion, which obviously contributed to more sp3c structure and indicated a longer wear and corrosion life for cnx coating

    本試驗中所制備的碳氮薄膜和類金剛石薄膜都具有很好的光潔度,但cn膜表面的針狀突起少於dlc膜表面,整體更加勻實光滑,三種薄膜的硬度和拉伸強度都很高,顯示出良好的機械性能和很低的摩擦系數。
  15. In addition to maintaining the original natural graphite with characteristics, texture also has soft, flexible, high and low temperature resistance, corrosion resistance, high - dose irradiated milk, and low friction coefficient, which has a wide adaptability

    除保持天然石墨原來具有的特性外,還具有質地柔軟,富有彈性,耐高低溫、耐腐蝕、耐高劑量輻照、摩擦系數低等優點,因而具有廣泛的適應性。
  16. Aluminium titanate ( at ) has many excellent properties such as low thermal expansion coefficient, thermal conduction coefficient, high melting point, endured corrosion and thermal resistance, so it is one of the best materials with low thermal expansion coefficient resisting high temperature

    鈦酸鋁由於具有接近於零的熱膨脹系數、低的導熱系數、高熔點、耐腐蝕和抗熱沖擊性能好等特點,是目前低膨脹材料中耐高溫性能最好的一種之一。
  17. Aluminium titanate ( al2tio5, at ) has many excellent properties such as low thermal expansion coefficient, thermal conduction coefficient, high melting point, endured corrosion and thermal resistance, so it is one of the best materials with low thermal expansion coefficient resisting high temperature

    鈦酸鋁( al _ 2tio _ 5簡稱at )因其具有接近於零的熱膨脹系數、低的導熱系數、高熔點、耐腐蝕和抗熱沖擊性能好等特點,是目前低熱膨脹材料中耐高溫性能最好的材料之一。
分享友人