Avancerad sökning

Hittade 3 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Precipitation analysis in bearing steel Hybrid 60

    Master-uppsats, KTH/Materialvetenskap

    Författare :Rebecca Rosén; [2023]
    Nyckelord :martensitic steel; secondary hardening; precipitation; PRISMA; martensitiskt stål; sekundärhärdning; utskiljning; PRISMA;

    Sammanfattning : New materials are always being developed to get the best properties possible where needed. The way to create these materials and test them is also developing. When it comes to high-strength steels, a martensitic microstructure is a common choice. LÄS MER

  3. 2. A literature study on measurement methods for calculating the FeO activity in slag

    Kandidat-uppsats, KTH/Materialvetenskap

    Författare :Rebecca Rosén; [2020]
    Nyckelord :;

    Sammanfattning : During the time we live in, climate change is more important than ever. HYBRIT, formed bySSAB, LKAB, and Vattenfall, is an initiative set out to make the steel production fossil free, by developing a novel process that produce direct reduced iron (DRI) using hydrogen as reagent. Electric arc furnaces (EAF) will then be employed to melt the DRI. LÄS MER

  4. 3. Informal Micro and Small Enterprises in Bolivia - An Empirical Analysis

    Kandidat-uppsats, Göteborgs universitet/Institutionen för nationalekonomi med statistik

    Författare :Tina Afshari; Rebecca Stål; [2016-06-30]
    Nyckelord :Bolivia; informality; formal; micro enterprises; women;

    Sammanfattning : The major part of economic activity in Bolivia is informal, and most enterprises in Bolivia are micro firms. This thesis seeks to examine the characteristics of informal and formal firms in Bolivia. Previous studies show that the relationship between formality and revenue is positive. LÄS MER