Sökning: "austenite"

Visar resultat 1 - 5 av 38 uppsatser innehållade ordet austenite.

  1. 1. The Effect of Temperature Gradients During Intercritical Annealing of Advanced High Strength Steels : Method Development for Experimental Streamlining

    Master-uppsats, KTH/Materialvetenskap

    Författare :Helena Ek Jendrny; [2023]
    Nyckelord :AHSS; Gleeble; Intercritical annealing; Retained austenite; Medium Mn Steel; AHSS; Gleeble; interkritisk glödgning; austenit; Medium Mn stål;

    Sammanfattning : The third-generation advanced high strength steels, AHSS, represent an opportunity for today’s steel development, where lighter materials with maintained strength and toughness are in demand. The unique properties of these materials often stem from a tailored microstructure. LÄS MER

  3. 2. Microstructural characterization of quench annealed duplex SAF 2507 utilizing EBSD

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad materialvetenskap

    Författare :Simon Beyermann; [2022]
    Nyckelord :sigma phase; chi phase; electron backscatter diffraction; super duplex stainless steel; recrystallization; SAF 2507 UNS S32750 .;

    Sammanfattning : Producing large bars of duplex stainless steel free from precipitated embrittling phases isdifficult due to the many factors that influence precipitation. Research shows that intermetallicslike sigma and chi deteriorate principal material properties for the main application areas. LÄS MER

  4. 3. Air Cooling Analysis of Forged Bearing Steels

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad materialvetenskap

    Författare :Mattias Sörlander; [2022]
    Nyckelord :Material; Bearing steel; Cooling;

    Sammanfattning : This thesis work was done in cooperation with Ovako Sweden AB in Hofors to better understand and improve cracking-related problems in bearing ring production and cooling after forging in particular. This goal was achieved by doing a literature search and executing cooling experiments in live production. LÄS MER

  5. 4. Investigation Of Mechanical Properties And Microstructure Of Steel-Wires

    Master-uppsats, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Khalifa Maissara; [2021]
    Nyckelord :steel; heat treatment; quenching and partitioning; quenching and tempering; retained austenite; wear mechanisms; wear testing;

    Sammanfattning : Wear and friction are among the major problems faced in several industries such as mining industry. This creates challenges to select better materials with good wear behavior in order to improve the service life of the components. LÄS MER

  7. 5. Different Heat Treatment parameters investigation on microstructure, mechanical and wear properties of Hadfield Steel

    Master-uppsats, Lunds universitet/Industriell Produktion

    Författare :Rahul Milind Kulkarni; Vishwajit Vishnu Kolekar; [2021]
    Nyckelord :Hadfield Steel; Heat Treatment; Microstructural evolution; Carbides; Austenitization temperature; Technology and Engineering;

    Sammanfattning : Hadfield Steels make up a significant group of steels that can perform with their higher strength, excellent wear resistance, and good formability. To achieve this distinctive behavior along with the alloy compositions, heat treatment is also a vital factor. LÄS MER