Browsing Institutt for materialteknologi by Title
Now showing items 2032-2051 of 2523
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Slag Properties in the Primary Production Process of Mn-Ferroalloys
(Peer reviewed; Journal article, 2021)The present study has investigated the influence of sulfur content in synthetic FeMn and SiMn from 0 to 1.00 wt pct on interfacial properties between these ferroalloys and slags. The effect of experimental parameters such ... -
Slag Reduction and Viscosities Interaction in Ferromanganese Process
(Peer reviewed; Journal article, 2022)Slag reduction and viscosity are closely related in the practical operation of a submerged arc furnace for ferromanganese (FeMn) production. The viscosity of slag is dependent on temperature and its composition, and ... -
Slag Refining of Iron with Respect to Phosphorus
(Master thesis, 2014)TiZir Titanium and Iron produces high purity pig iron and titania slag from ilmenite. However, new ilmenite ores from Grande Côte Mineral Sands Project mine contain high level of phosphorus, which will contaminate the ... -
Slag-metal interactions in the FeMn tapping process: Interfacial properties and wetting
(Chapter, 2019)FeMn-alloys are produced by transforming ore and carbon materials into FeMn and slag at high temperatures in a furnace. Entrainment of FeMn in slag during tapping reduces the yield. Entrainment and subsequent separation ... -
Slag-Metal Separation in Mn Ferroalloy Production
(Doctoral thesis, 2022)The separation of slag and metal in the ferroalloy production process is an important issue that has an impact on both the ecological and environmental considerations of the entire production process. The extensive mixing ... -
Slikkerstøping av SiC: Effekten av pulver- og slikkeregenskaper på grønnkropp
(Bachelor thesis, 2021)I denne oppgaven ble det undersøkt hvilken effekt pulver- og slikkeregenskaper har på slikkerstøpte grønnkropper til rekrystallisert silisiumkarbid. Oppgaven er skrevet i samarbeid med Washington Mills AS, som produserer ... -
Slip Casting of Solid State SiC
(Master thesis, 2018)A study of the parameters influencing the rheology of silicon carbide slurries containing boron carbide and carbon sintering additives was done. Carbon black and Novolac were used as carbon additives and their effect on ... -
Slow surface diffusion on Cu substrates in Li metal batteries
(Peer reviewed; Journal article, 2021)Dendrite growth on the lithium metal anode still obstructs a widespread commercialization of high energy density lithium metal batteries. In this work, we investigate how the crystal structure of the copper foil current ... -
Small Size Effects in Open and Closed Systems: What Can We Learn from Ideal Gases about Systems with Interacting Particles?
(Peer reviewed; Journal article, 2021)Small systems have higher surface area-to-volume ratios than macroscopic systems. The thermodynamics of small systems therefore deviates from the description of classical thermodynamics. One consequence of this is that ... -
Smelting-reduction of bauxite for sustainable alumina production
(Chapter, 2016)Bauxite ore is the main raw material for aluminum production, it is converted into alumina (Al2O3) to obtain a proper charge material for aluminum production in Hall-Heroult process. Bayer process is the main commercial ... -
Sn-Aided Joining of Cast Aluminum and Steel Through a Compound Casting Process
(Peer reviewed; Journal article, 2021)Obtaining a strong bond between aluminum and steel is challenging due to poor wettability between aluminum melt and steel and brittle intermetallic phases forming in the interface. In this research, a novel coating method, ... -
Sodium expansion and creep of cathode carbon
(Dr. ingeniøravhandling, 0809-103X; 2003:44, Doctoral thesis, 2003)An apparatus to measure compressive creep in carbon materials has been developed. Using the final experimental set-up five material properties could be measured in each electrolysis experiment. Creep, sodium expansion, ... -
Soft particles assisted grain refinement and strengthening of an Al-Bi-Zn alloy subjected to ECAP
(Journal article; Peer reviewed, 2017)With the aim to improve the strength of potential Pb-free Al-Bi based bearing alloys, an Al-6Bi-8Zn alloy was subjected to equal channel angular pressing (ECAP). To reveal the roles played by the soft Bi particles, an ... -
Softening and Melting Properties of Quartz
(Master thesis, 2019)Denne masteroppgaven beskriver en undersøkelse av smelteegenskaper til tre forskjellige kvartstyper, som brukes i silisiumproduksjon, og effekten kvartskvalitet kan ha på ovnens ytelse. Dette ble gjort ved å: • Måle ... -
Softening behaviour o fAl-Mn-Fe-Si alloys during isothermal annealing
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:358, Doctoral thesis, 2013) -
Softening Behaviour of Selected Commercially Pure Aluminium Model Alloys
(Master thesis, 2012)A characterization of the softening behaviour of four different commercially pure aluminium alloys has been carried out. The work is related to the MOREAL project (Modelling towards value-added recycling friendly aluminium ... -
Solar silicon refining; Inclusions, settling, filtration, wetting
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:103, Doctoral thesis, 2009)The main objective of the present work is the removal of inclusions from silicon scrap and metallurgical grade silicon. To reach this goal, two various routes are investigated. First, settling of SiC particles from molten ... -
Soldering a gas diffusion layer to a stainless steel bipolar plate using metallic tin
(Journal article; Peer reviewed, 2018)A novel investigation to decrease the interfacial contact resistance of stainless steel bipolar plates was performed. A thin layer of Sn was electrodeposited onto a bipolar plate and subsequently joined with a gas diffusion ... -
Solid Electrolyte Interphase (SEI) Formation on the Graphite Anode in Electrolytes Containing the Anion Receptor Tris (hexafluoroisopropyl) borate (THFIPB)
(Peer reviewed; Journal article, 2020)Addition of small amounts of tris(hexafluoroisopropyl)borate (THFIPB) has previously been shown to improve the capacity of graphite anodes in a wide temperature window during long-term cycling in electrolytes based on LiPF6 ... -
Solid solubility and phase transitions in the system LaNb1-xTaxO4
(Journal article; Peer reviewed, 2008)The solid solubility between LaNbO4 and LaTaO4 was investigated by X-ray diffraction, and a two-phase region was observed in the composition region LaNb1−xTaxO4 where 0.4⩽x⩽0.8. Single-phase LaNb1−xTaxO4 (0⩽x⩽0.4) with the ...