Sökning: "Anna Medvedeva"

Hittade 3 avhandlingar innehållade orden Anna Medvedeva.

  1. 1. Performance of advanced tool steels for cutting tool bodies

    Författare :Anna Medvedeva; Jens Bergström; Pavel Krakhmalev; Staffan Gunnarsson; Volker Schulze; Karlstads universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; tool steel; cutting tool body; fatigue strength; stress relaxation; machinability; high-temperature properties; microstructure; Materials science; Teknisk materialvetenskap; Materialteknik; Materials Engineering;

    Sammanfattning : Performance of indexable insert cutting tools is not only about the performance of cutting inserts. It is also about the cutting tool body, which has to provide a secure and accurate insert positioning as well as its quick and easy handling under severe working conditions. LÄS MER

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

    Författare :Anna Medvedeva; Jens Bergström; Birger Karlsson; Karlstads universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; tool steel; tool holder; microstructure; mechanical properties; machinability; Materials science; Teknisk materialvetenskap;

    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

  4. 3. Effect of heat treatment on microstructure and mechanical properties of a 5 wt.% Cr cold work tool steel

    Författare :Arbab Rehan; Lars-Erik Svensson; Leif Karlsson; Anna Medvedeva; Per Erik Skogholm; Berne Högman; Reinhold Schneider; Högskolan Väst; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cold work tool steel; Hardening; Tempering; Microstructural characterisation; Retained austenite; Martensite; Bainite; Hardness; Impact toughness; Production Technology; Produktionsteknik; Manufacturing and materials engineering; Produktions- och materialteknik;

    Sammanfattning : This work presents investigations related to phase transformations occurring inthe 5 wt.% Cr cold work tool steel Caldie during hardening and tempering treatments. LÄS MER