Sökning: "Microstructure"

Visar resultat 1 - 5 av 642 avhandlingar innehållade ordet Microstructure.

  1. 1. Chromium martensitic hot-work tool steels damage, performance and microstructure

    Författare :Johnny Sjöström; Karlstads universitet.; [2004]
    Nyckelord :Materialteknik; Materials Engineering; Hot-work tool steel; thermal fatigue; microstructure;

    Sammanfattning : Chromium martensitic hot-work tool steel (AISI H13) is commonly used as die material in hot forming techniques such as die casting, hot rolling, extrusion and hot forging. They are developed to endure the severe conditions by high mechanical properties attained by a complex microstructure. LÄS MER

  2. 2. Tool steel for tool holder applications microstructure and mechanical properties

    Detta är en avhandling från Karlstad : Karlstad University

    Författare :Anna Medvedeva; Karlstads universitet.; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap; tool steel; tool holder; microstructure; mechanical properties; machinability;

    Sammanfattning : Large improvements in cutting tool design and technology, including the application of advanced surface engineering treatments on the cemented carbide insert, have been achieved in the last decades to enhance tool performance. However, the problem of improving the tool body material is not adequately studied. LÄS MER

  3. 3. On Thermal Conductivity and Strength in Compacted Graphite Irons : Influence of Temperature and Microstructure

    Detta är en avhandling från Göteborg : Chalmers Reproservice

    Författare :Martin Selin; Högskolan i Jönköping.; [2010]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap; Compacted Graphite Iron; Thermal Conductivity; Mechanical Properties; Hardness; Microstructure; Plastic Deformation; Hollomon Equation; Elevated Temperature;

    Sammanfattning : Thermal conductivity, hardness and strength are all highly important material properties, affecting the performance and life expectancy of components operating at elevated temperatures. The main purpose of this work has been to increase the knowledge and understanding concerning how mechanical and physical properties are affected by temperature and microstructure in compacted graphite irons. LÄS MER

  4. 4. Rheocasting of Aluminium Alloys Slurry Formation, Microstructure, and Properties

    Detta är en avhandling från Jönköping : Jönköping University, School of Engineering

    Författare :Mostafa Payandeh; Högskolan i Jönköping.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SSM Casting; aluminium alloy; RheoMetalTM process; microstructure; physical and mechanical properties;

    Sammanfattning : Innovative materials with novel properties are in great demand for use in the criticalcomponents of emerging technologies, which promise to be more cost-effective and energyefficient.A controversial issue with regard to manufacturing complex industrial products isto develop advanced materials with optimised manufacturability in addition to the requiredmechanical and physical properties. LÄS MER

  5. 5. Interfacial Microstructure of Lanthanum Manganites

    Detta är en avhandling från Jönköping : Jönköping University, School of Engineering

    Författare :Tomas Liljenfors; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; HRTEM; interfaces; thin-film; microstructure; TEM; EELS; manganites;

    Sammanfattning : .... LÄS MER