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柔性基底上金属薄膜的力学和微结构特性研究

中文摘要第4-9页
Abstract第9-10页
Preface第11-22页
List of Symbols第22-24页
Chapter 1 Context of study第24-42页
    1.1 Thin film techniques and applications第24-27页
        1.1.1 Background第24-26页
        1.1.2 Thin film deposition processes第26-27页
    1.2 Microstructure and mechanics第27-30页
        1.2.1 X-ray diffraction (XRD)第27-28页
        1.2.2 Fiber texture and elastic anisotropy第28-30页
    1.3 Mechanical properties and research approaches of metallicthin films第30-40页
        1.3.1 Residual stresses第30-32页
        1.3.2 Adhesion and characterization techniques of mechanical behavior第32-37页
        1.3.3 Bauschinger effect (BE)第37-40页
    1.4 Strategy第40-42页
Chapter 2 Experimental design and research methods第42-66页
    2.1 Substrates design for mechanical testing第42-45页
    2.2 Development of setups adapted to Deben MICROTEST andX-ray diffractometer第45-50页
    2.3 Sputtering methods and conditions第50-54页
        2.3.1 Residual stress control of thin metal films in PUMA第50页
        2.3.2 Film deposition for pre-tensile specimens in NORDIKO第50页
        2.3.3 Film deposition on both sides of a substrate over half of the gaugelength第50-54页
    2.4 Initial characterizations of as-deposited thin films第54页
    2.5 Mechanical testing and stress/strain measurements第54-64页
        2.5.1 In situ uniaxial tensile and compressive testing第54页
        2.5.2 True strain measurements (DIC)第54-61页
        2.5.3 Applied lattice strain and residual stress measurements第61-64页
    2.6 Summary第64-66页
Chapter 3 Determining the Young’s modulus of thin films bya dual DIC system第66-94页
    3.1 Mechanical analysis第66-68页
    3.2 Finite element method (FEM)第68-70页
    3.3 Development of a dual DIC system combined with the ten-sile testing第70-72页
        3.3.1 Experimental approach and true strain measurements第70-72页
        3.3.2 Validation of the home-made system第72页
    3.4 Strain transfer through interface and the curvature evolutionduring a tensile testing第72-85页
        3.4.1 Characteristics of as-deposited thin films第72-74页
        3.4.2 Strain transfer from the substrate to films with various materialsand thicknesses第74-79页
        3.4.3 Curvature evolution measurements by an optical three-dimensionalprofiler第79页
        3.4.4 Simulation model and comparison第79-85页
    3.5 Young’s modulus determination of various thin metal filmscoated on both sides of Kapton第85-92页
    3.6 Conclusions第92-94页
Chapter 4 Cyclic testing of thin nanometric films combiningXRD and DIC analysis第94-106页
    4.1 Development of a pre-stretching technique combined withXRD and DIC measurements第94-97页
        4.1.1 Overview of the cyclic testing techniques for thin films第94-95页
        4.1.2 Independent development of pre-stretching technique第95-97页
    4.2 Cyclic testing and elastic stress/true strain measurements ofthin Ni films第97-102页
    4.3 Bauschinger effect and cyclic strain hardening investiga-tions in thin nickel films on a Kapton?substrate第102-105页
    4.4 Conclusions第105-106页
Chapter 5 General conclusions and perspectives第106-110页
    5.1 General conclusions第106-107页
    5.2 Perspectives第107-110页
Bibliography第110-118页
Appendix第118-122页
List of Publications第122-124页
Acknowledgements第124-125页

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