Sökning: "Ferroalloys"

Hittade 2 uppsatser innehållade ordet Ferroalloys.

1. 1. Nitrogen Without Oxygen : The effect of ferroalloys added after vacuum treatment on cleanliness of nitrogen-alloyed tool steel

   Master-uppsats, KTH/Materialvetenskap

   Författare :Leo Nilsson Hultén; [2021]
   Nyckelord :Tool steel; Electro-Slag Remelting ESR; Nitrogen Alloying; Ferroalloys; Nonmetallic Inclusions NMI; Verktygsstål; Elektroslaggomsmältning ESR; Kvävelegering; Ferrolegeringar; Ickemetalliska Inneslutningar NMI;

   Sammanfattning : Nitrogen-alloyed tool steel is made at Uddeholms AB by adding high-nitrogen ferroalloy after vacuum degassing where introduced impurities are hard to remove. In this thesis two types of high-nitrogen ferrochromium are compared, a solid version and a powder cored wire. LÄS MER

3. 2. Thermal Physical Properties of Söderberg Electrode Material

   Master-uppsats, KTH/Materialvetenskap

   Författare :Konstantinos Rigas; [2019]
   Nyckelord :heat transfer; TPS method; söderberg electrode; thermal properties; modelling; värmeöverföring; TPS metod; söderberg elektroder; termiska egenskaper; modellering;

   Sammanfattning : Söderberg electrodes take part in the production of ferroalloys, copper, nickel, platinum, and calcium carbide. They are involved in a continuous and with low costs operation. LÄS MER