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阳极氧化加热处理法提高钛在沸腾强酸溶液中的耐蚀性

学位论文数据集第4-9页
ABSTRACT第9-10页
摘要第11-12页
CHAPTER:1 INTRODUCTION第12-30页
    1.1 Introduction of titanium第12-13页
    1.2 Passivation of titanium第13-14页
    1.3 Corrosion vulnerability of titanium ad titanium oxide第14-17页
        1.3.1 Reducing acids第16页
        1.3.2 Mechanical attack第16-17页
    1.4 Effects of alloying additions on titanium passivity第17-18页
    1.5 Reduction of the potential gradient across surface film第18-19页
    1.6 Enhancement of atomic bond strength第19-20页
    1.7 Repassivation behavior of titanium and titanium-base alloys第20-23页
    1.8 Corrosion resistance of titanium by surface treatments第23-26页
        1.8.1 Corrosion performance of titanium第23-26页
    1.9 Introduction to electrochemical oxidation and thermal oxidation第26-30页
        1.9.1 Electrochemical oxidation第26页
        1.9.2 Thermal oxidation第26-27页
        1.9.3 Titanium fabricated vessels and submarines第27页
        1.9.4 Main theme of work第27-30页
CHAPTER:2 EXPERIMENTAL SECTION第30-34页
    2.1 Material第30页
    2.2 Pretreatment of the substrate第30页
    2.3 Surface treatments第30-31页
        2.3.1 Anodization第30页
        2.3.2 Thermal oxidation第30-31页
    2.4 Microhardness test第31页
    2.5 Analysis of surface morphology and composition of the films第31-32页
        2.5.1 Scanning electron microscope (SEM)第31-32页
        2.5.2 X-ray photoelectron spectroscopy第32页
        2.5.3 XRD analysis第32页
    2.6 Corrosion performance test第32-34页
        2.6.1 Potentiodynamic polarization test第32页
        2.6.2 Electrochemical impedance spectroscopy (EIS)第32-33页
        2.6.3 Weight loss test第33页
        2.6.4 Motto-Schottky analysis第33-34页
CHAPTER:3 EFFECT OF DIFFERENT ANNEALING TEMPERATURE ON ANODICFILM第34-48页
    3.1 Surface morphology of anodized samples第34-37页
        3.1.2 Surface morphology of anodized and annealed at 400 ℃ samples第35-36页
        3.1.3 Surface morphology of anodized and annealed at 500 ℃ samples第36-37页
        3.1.4 Surface morphology of anodized and annealed at 600 ℃ samples第37页
    3.2 Effect of annealing temperature on elemental composition第37-39页
    3.3 Effect of annealing temperature on grain size第39-41页
    3.4 Phase transformation of TiO_2第41-42页
    3.5 Effect of annealing temperature on hardness第42页
    3.6 Effect of different annealing temperature on XPS spectra第42-46页
    3.7 Effect of different annealing temperatures on thickness第46-47页
    3.8 Conclusions第47-48页
CHAPTER:4 CORROSION PERFORMANCE IN STRONG ACIDIC ENVIRONMENTSAT HIGH TEMPERATURE第48-64页
    4.1 Corrosion resistance in 4 M H2SO4 at 105 ℃第48-55页
        4.1.1 Potentiodynamic scan第48-49页
        4.1.2 EIS measurement第49-52页
        4.1.3 Weight loss test第52-53页
        4.1.4 Mott-Schottky analysis第53-55页
    4.2 Corrosion resistance in 4 M HCl at 105 ℃第55-62页
        4.2.1 Potentiodynamic scan in 4 M HCl at 105 ℃第55-57页
        4.2.2 EIS measurement第57-59页
        4.2.3 Weight loss test第59-60页
        4.2.4 Mott-Schottky analysis第60-62页
    4.3 Conclusions第62-64页
CHAPTER:5 EFFECT OF ANNEALING TIME AT 600 ℃ ON THE ANODIZED FILM第64-77页
    5.1 Effect of different annealing time at 600 ℃ on microstructure第64页
    5.2 Effect of annealing temperature on elemental composition第64-65页
    5.3 Effect of annealing time on grain size第65-67页
    5.4 Effect of annealing time on hardness第67页
    5.5 Effect of annealing time on XPS spectra第67-70页
    5.6 Potentiodynamic scan第70-71页
    5.7 EIS measurement第71-73页
    5.8 Mott-Schottky analysis第73-76页
    5.9 Conclusions第76-77页
CHAPTER:6 SUMMARY第77-78页
REFERENCES第78-83页
Acknowledgements第83-84页
INTRODUCTION OF AUTHOR AND SUPERVISOR第84-85页
附件第85-86页

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