Sökning: "medium entropy alloys"

Hittade 3 avhandlingar innehållade orden medium entropy alloys.

  1. 1. Microstructural development in laser-based powder bed fusion - from ferritic stainless steel to medium entropy alloys

    Författare :Sri Bala Aditya Malladi; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; mechanical properties; interstitial solid solution strengthening; ferritic stainless steels; inoculation; Laser-based powder bed fusion; microstructural characterization; medium entropy alloys;

    Sammanfattning : Ever since the advent of additive manufacturing (AM), the interest in AM technologies has skyrocketed due to its intrinsic ability to produce near net shaped components. Laser-based powder bed fusion (LB-PBF), being one of the most widely adapted AM technologies, has been especially a game changer due to its ability to produce components of complex geometries with improved designs and to reduce not only the final weight of the products but also the amount of the waste produced. LÄS MER

  3. 2. Microstructure engineering of additively manufactured materials by powder bed fusion-laser beam: Cases for ferritic stainless steels and medium entropy alloys

    Författare :Bala Malladi; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ferritic stainless steels; recrystallization; interstitial solid solution strengthening; phase transformation; inoculation; medium entropy alloys; Laser-based powder bed fusion; microstructural characterization;

    Sammanfattning : Powder bed fusion laser beam (PBF-LB) is a powder bed fusion additive manufacturing process that is one of the most established and widely used techniques for manufacturing near net shape components. The unique characteristics of PBF-LB, such as the high cooling rates and local directional heat transfer, lead to the formation of unique microstructures. LÄS MER

  4. 3. Ab initio Investigation of Face-centered cubic High-Entropy Alloys

    Författare :Xun Sun; Levente Vitos; Torbjörn Björkman; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ab initio; high-entropy alloys; twinning; martensitic transformation; elastic properties; phase stability; Teknisk materialvetenskap; Materials Science and Engineering;

    Sammanfattning : High-entropy alloys (HEAs) represent a special group of solid solutions containing five or more principal elements. The new design strategy has attracted extensive attention from the materials science community. The design and development of HEAs with desired properties have become an important subject in materials science and technology. LÄS MER