Search for dissertations about: "thesis alumina"

Showing result 1 - 5 of 296 swedish dissertations containing the words thesis alumina.

  2. 1. Alumina Thin Films : From Computer Calculations to Cutting Tools

    Author : Erik Wallin; Ulf Helmersson; Patrick Desjardins; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Alumina; thin films; coatings; sputtering; density functional theory; high power impulse magnetron sputtering; HIPIMS; Material physics with surface physics; Materialfysik med ytfysik; Surface engineering; Ytbehandlingsteknik; Surfaces and interfaces; Ytor och mellanytor;

    Abstract : The work presented in this thesis deals with experimental and theoretical studies related to alumina thin films. Alumina, Al2O3, is a polymorphic material utilized in a variety of applications, e.g., in the form of thin films. READ MORE

  4. 2. Synthesis and Characterisation of Magnetron Sputtered Alumina-Zirconia Thin Films

    Author : David Huy Trinh; Hans Högberg; Anders Hårsta; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Alumina; Zirconia; NaKeywords: Alumina; Zirconia; Nanocomposite; Sputtering; Thin-Film; PVD; TEM; EELS; Materials science; Teknisk materialvetenskap;

    Abstract : Alumina-Zirconia thin films were grown on a range of substrates using dual magnetron sputtering. Film growth was achieved at a relatively low temperature of 450 °C and at higher temperatures up to 810 °C. The films were grown on well-defined surfaces such as silicon (100) but also on industrially relevant substrates such as hardmetal (WC-Co). READ MORE

  5. 3. Alumina Thin Film Growth: Experiments and Modeling

    Author : Erik Wallin; Ulf Helmersson; Denis Music; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Alumina; Reactive sputtering; Phase formation; Residual water; Surface adsorption; Density functional theory; Material physics with surface physics; Materialfysik med ytfysik;

    Abstract : The work presented in this thesis deals with experimental and theoretical studies related to the growth of crystalline alumina thin films. Alumina, Al2O3, is a polymorphic material utilized in a variety of applications, e.g., in the form of thin films. READ MORE

  6. 4. Silicon Carbide Reinforced Alumina and Mullite Ceramics

    Author : Stefan Gustafsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ceramic Nanocomposites; Creep; SEM; SiC; Grain Boundaries; Microanalysis; Mullite; Pressureless Sintering; TEM; Alumina;

    Abstract : The aim of this work was to develop homogeneous ceramic nanocomposite materials with good thermal and structural stability as well as good mechanical properties. The development of microstructure was related to the material properties. READ MORE

  7. 5. Controlling the Formation and Stability of Alumina Phases

    Author : Jon Martin Andersson; Ulf Helmersson; Eric Kay; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; thin films; alumina; magnetron sputtering; phase stability; density functional theory; Material physics with surface physics; Materialfysik med ytfysik;

    Abstract : In this work, physical phenomena related to the growth and phase formation of alumina, Al2O3, are investigated by experiments and computer calculations. Alumina finds applications in a wide variety of areas, due to many beneficial properties and several existing crystalline phases. READ MORE