Sökning: "ståltillverkning"

Hittade 4 avhandlingar innehållade ordet ståltillverkning.

  1. 1. Profitability = f(G) : Computational Thermodynamics, Materials Design and Process Optimization

    Författare :David Dilner; Malin Selleby; Mao Huahai; André Costa e Silva; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CALPHAD; steel; sulfide; steelmaking; thermodynamics; ICME; CALPHAD; stål; sulfid; ståltillverkning; termodynamik; ICME; Teknisk materialvetenskap; Materials Science and Engineering;

    Sammanfattning : The thesis starts by giving a motivation to materials modeling as a way to increase profitability but also a possibility decrease the environmental impact. Fundamental concepts of relevance for this work are introduced, this include the materials genome, ICME and of course the CALPHAD method. LÄS MER

  3. 2. Non-geological hydrogen storage for fossil-free steelmaking

    Författare :Joakim Andersson; Stefan Grönkvist; Simon Harvey; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hydrogen storage; fossil-free; steelmaking; industrial decarbonization; hydrogen direct reduction; Chemical Engineering; Kemiteknik;

    Sammanfattning : In the last half-century, global steel use has increased more than threefold and further growth is expected, particularly in developing economies. However, steelmaking is currently responsible for 7% of the global net carbon dioxide (CO2) emissions, and any substantial further optimization of existing processes that utilize fossil fuels for iron ore reduction is infeasible. LÄS MER

  4. 3. Strategic and operational capabilities in steel production : Product variety and performance

    Författare :Joakim Storck; Bengt Lindberg; Christer Johansson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Steel production; system dynamics; product variety; production strategy; cost models; Manufacturing engineering; Produktionsteknik;

    Sammanfattning : Steel producers that employ niche market strategies are continuously seeking to reduce production cost while maintaining adiverse product mix. The business model is typically based onmarketing of high–strength special or stainless steels. LÄS MER

  5. 4. Use of localised techniques to elucidate the influence of process variables on the corrosion of stainless steels

    Författare :Nuria Fuertes; Rachel Pettersson; Inger Odnevall; Stuart Lyon; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Stainless steel; corrosion; passive film; thermal oxides; Volta potential; pickling; deformation; cold rolling; AM; SKPFM; SVET; Kemi; Chemistry;

    Sammanfattning : Several factors during steel manufacture and fabrication can alter the passivity and corrosion behaviour of stainless steels. These include alloying, deformation, welding and heat treatments. LÄS MER