polarization corrosion 中文意思是什麼

polarization corrosion 解釋
極化腐蝕
  • polarization : n. 1. 兩極分化。2. 【物、天】極化；極化強度。3. 【物理學】偏振（化）。
  • corrosion : n. 腐蝕，侵蝕；【植物；植物學】溶蝕。 corrosion preventive 防腐劑。
  1. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。
  2. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。
  3. Corrosion action slope cable used in cable - stayed bridge in different corrosion medium such as synthesis sea water, solution nacl and simulation acid rain are studied by electrochemical method, for example, linear polarization, tafel extrapolation and ac impedance method

    對此，本論文以人造海水、 nacl溶液、模擬酸雨作為腐蝕介質，針對不同類型的鋼絞線，採用線性極化法、 tafel外推法和交流阻抗法等電化學方法研究斜拉橋拉索結構中鋼絞線在不同介質中的腐蝕行為。
  4. Standard test method for conducting cyclic potentiodynamic polarization measurements for localized corrosion susceptibility of iron -, nickel -, or cobalt - based alloys

    鐵鎳鈷基合金的局部腐蝕敏感性的循環動電勢極化強度的試驗方法
  5. The corrosion inhibition effect of molybdate inhibitor in tap water on 20a carbon steel has been studied with electrochemical polarization curve and impedance test

    為此，通過電化學極化曲線與交流阻抗實驗，研究了鉬酸鹽系列緩蝕劑在自來水中對20a碳鋼的緩蝕情況。
  6. The antiscaling and corrosion inhibition by low - phosphate formula agents were studied using polarization curve method and weight loss method in nanjing tap - water

    摘要採用靜態阻垢、旋轉掛片、極化曲線等方法研究了一系列低磷配方在南京自來水濃縮不同倍數時的緩蝕阻垢作用。
  7. On the basis of couple polarization theory, the mathematical expressions of couple potential and corrosion rate of fresh bare metal are inferred, the theory modeling relations of couple potential vs time is corresponding to experimental results

    根據耦合作用理論，獲得了耦合電位、裸露的新鮮金屬腐蝕速率的數學表達式，數學模擬所得的耦合電位與時間的關系，和實驗結果有較好的一致性。
  8. Effect of electrode polarization on stress corrosion cracking of 7075 aluminum alloys

    電極極化對鋁合金應力腐蝕斷裂敏感性的影響
  9. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。
  10. 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。
  11. In neutral solution containing chloridions, the nc copper has a more positive corrosion potentialanodic polarization test revealed that the nc copper has a lower passivation potential, critical current density and passivation current density

    Eds分析表明納米晶銅蝕孔中的s和cl含量遠高於表面。在中性含氯溶液中，納米晶銅的腐蝕電位比微米晶銅高300mv 。
  12. The corrosion test, performed in 5wt % salt fog or with the electrochemical calculation of anodic polarization in 50, g / g potassium chloride aqueous solution, indicates the coatings densification corresponds with their corrosion protection to uranium. the denser the coatings are, the more effective their protection to uranium is. compared with the al coatings produced at - 300v bias voltage and al _ ( 2 ) o _ ( 3 ) coatings produced with ps technique, the al coatings at - 100v and al _ ( 2 ) o _ ( 3 ) coatings with rms and to techniques are denser thus providing a better protection for uranium

    電化學參數計算或鹽霧腐蝕結果表明，鍍層的緻密程度與其對鈾基體的保護性能呈現了較好的一致性：鍍層越緻密，其保護性越好，即- 100v偏壓下的鋁鍍層和rms 、 to法制備的al _ 2o _ 3鍍層；鍍層越疏鬆，其保護性越差，即- 300v偏壓下的鋁鍍層和ps法制備的al _ 2o _ 3鍍層。
  13. The composition and structure of the films synthesized by mw - ecrpemsd technology were examined by electron probe, edx, afm, xrd, sem, moreover the corrosion resistance of films were detected by anodic polarization. furthermore, the wear resistance of films was tested by frictional wear. the relationship between properties of films and mw - ecrpemsd technology was summarized

    對微波- ecr等離子體增強非平衡磁控濺射沉積工藝制備的薄膜，採用電子探針、 edx 、 aex 、 xrd 、 sem進行成分及微觀結構分析；利用陽極極化測試了薄膜的耐蝕性能；通過摩擦磨損實驗測試了薄膜的耐磨性能；總結了薄膜的特性與制備工藝的關系。
  14. Study of linear polarization technique in geothermal system for corrosion ratio

    線性極化技術測試地熱腐蝕速率的試驗研究
  15. Testing method for corrosion resistance of metallic biomaterials by anodic polarization measurement

    用陽極極化測量法測定金屬生物材料的耐腐蝕性的試驗方法
  16. The wear and corrosion resistance of ni - w, ni - w - b and ni - w - b - ptfe deposits were also tested by means of anodic polarization et al, xps and sem were used to study the appearance and state of the elements on the obtained deposit surface. the results are summarized as follows : a. electrodeposition of ni - w - b alloy and ni - w - b - ptfe composite coatings

    應用陽極極化等實驗方法對獲得的ni - w - b - ptfe復合鍍層和ni - w - b 、 ni - w合金鍍層的耐磨性能和耐蝕性能進行比較，並運用xps和sem手段研究腐蝕前後獲得的合金鍍層和復合鍍層的表面元素狀態和鍍層表面形貌。
  17. The corrosion behavior of 20a carbon steel in 4 % edta solution was studied by measuring steady - state polarization curves at 30 and corrosion rates at various temperatures

    摘要通過測量30下的穩態極化曲線和不同溫度下的腐蝕速率，研究了20a碳鋼在4 % edta溶液中的腐蝕行為。
  18. A new process of micro - arc oxidation was developed and it could improve the corrosion resistance of magnesium alloys considerably according to potendynamic polarization curves and salt spray test

    摘要開發了一種微弧氧化工藝，電化學極化技術和鹽霧實驗表明用該工藝得到的氧化膜具有較好的耐蝕性。
  19. The results show that the data measured in laboratory have the same tendence with those measured in thermal power plant and the annual corrosion rate and polarization resistance and the anticorrosion performance of brass tubes can be evaluated effectively with ac impedance

    結果表明，實驗室數據與現場測試數據基本吻合，交流阻抗法可以提供凝汽器黃銅管在循環冷卻水系統中的年腐蝕速率和極化電阻，幫助現場工作人員及時了解凝汽器黃銅管的腐蝕狀況。
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