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Phase Distribution During Slag Formation in Mn Ferroalloy Production
(Peer reviewed; Journal article, 2022)Phase development during slag formation and reduction of Comilog and Assmang ores in a setup that simulates the conditions in an industrial SAF process under different coke bed temperatures, 1473 K (1200 °C), 1673 K (1400 ... -
Phase Equalization in a DVB-S2 Satellite Broadcasting System
(Master thesis, 2011)Satellite systems utilize bandpass filters with steep slopes at the edges of the passband, to maximize the usage of the available spectrum. This results in induced group delay and severe degradation in system performance.In ... -
Phase equilibria in polyethylene systems
(Dr.ingeniøravhandling, 0809-103; 2000:47, Doctoral thesis, 2000)The background for this work is a need to better understand the production of high density polythylene (HDPE). HDPE particles grow in a loop slurry reactor, and particle swelling and slurry viscosity are critical parts in ... -
Phase Error Evaluation via Differentiation and Cross-Multiplication Demodulation in Phase-Sensitive Optical Time-Domain Reflectometry
(Peer reviewed; Journal article, 2023)Phase-sensitive optical time-domain reflectometry (φOTDR) is a technology for distributed vibration sensing, where vibration amplitudes are determined by recovering the phase of the backscattered light. Measurement noise ... -
Phase formation during heating of amorphous nickel-based bni-3 for joining of dissimilar cobalt-based superalloys
(Peer reviewed; Journal article, 2021)Phase transformations and the melting range of the interlayer BNi-3 were investigated by differential scanning calorimetry, which showed three stages of crystallization during heating. There were three exothermic peaks ... -
Phase Inversion, Stability and Destabilization of Model and Crude Oil Water-in-Oil Emulsions
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:352, Doctoral thesis, 2014)The demand for crude oils has constantly been increasing forcing the industry to exploit heavier crude oils. These oils are more difficult to produce and transport than classical light oils, this leads the oil industry to ... -
Phase perturbative calculations of diffuse light scattering on randomly rough surfaces in and out of plane
(Master thesis, 2021)Ved en eller annen lendgdeskala viser alle overflater en grad av ruhet, og det er viktig å forstå de fysiske konsekvensene av det. Denne oppgaven handler om refleksjon av elekromagnetiske bølger i det optiske bølgelengderegimet ... -
Phase relations and thermomechanical properties of (Gd2Zr2O7)1-x(YbSZ)x based thermal barrier coatings (0 ≤x≤ 0.98)
(Peer reviewed; Journal article, 2021)Doped Gd2Zr2O7 materials have interesting properties as thermal barrier coatings (TBC) to replace the YSZ topcoats traditionally used. Here we investigate the thermomechanical properties and phase relations of Gd2Zr2O7 ... -
Phase Relations in Ferromanganese Production During Prereduction: South African Ores
(Peer reviewed; Journal article, 2019)In the steel industry, ferromanganese is an important additive. During the production of ferromanganese the ore goes through prereduction and reduction. The prereduction step is very important, as the degree of reduction ... -
Phase separation and orientational ordering of synthetic Na-fluorohectorite clay particles in saline aqueous suspensions
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:130, Doctoral thesis, 2008)The main goal of the present thesis is to determine and better understand the phase diagram for the nano-layered synthetic clay sodium fluorohectorite dispersed in saline aqueous solutions. This system displays up to four ... -
Phase stability and electronic structure of iridium metal at the megabar range.
(Journal article; Peer reviewed, 2019)The 5d transition metals have attracted specific interest for high-pressure studies due to their extraordinary stability and intriguing electronic properties. In particular, iridium metal has been proposed to exhibit a ... -
Phase Stability and Point Defects in InMnO3
(Master thesis, 2014)During the last decade hexagonal manganites (h-RMNO3) have been a widely researched topic. This is mainly due to their multiferroic property that makes them a potential material for use in future electronics, data storage ... -
Phase stabilization principle and precipitate-host lattice influences for Al-Mg-Si-Cu alloy precipitates
(Journal article, 2014)In this work, we seek to elucidate a common stabilization principle for the metastable and equilibrium phases of the Al–Mg–Si–Cu alloy system, through combined experimental and theoretical studies. We examine the structurally ... -
Phase structure and critical properties of an abelian gauge theory
(Dr. ingeniøravhandling, 0809-103X; 2001:116, Doctoral thesis, 2002)Chapter 1 to 4 give a short introduction to superconductivity, microscopic theory, phase transitions, and Monte-Carlo simulations. Chapter 2 is about Cooper pairing in different settings, but I also give a short introduction ... -
Phase transformation in quartz at elevated temperatures
(Peer reviewed; Journal article, 2021)Natural quartz is a raw material in Si production. During heating, it will go through a series of phase transformations before melting in the furnace, from quartz to an intermediate amorphous phase and further to cristobalite. ... -
Phase Transformation Study of X70 Steel by EBSD during In Situ Heating and Quenching
(Master thesis, 2012)Arctic steels, like the API X70 steel explored in this master thesis, are developed to withstand very low temperatures, with a ductile/brittle transition temperature below −60◦C. However, during welding, brittle phases ... -
Phase transformations and thermal degradation in industrial quartz
(Doctoral theses at NTNU;2020:205, Doctoral thesis, 2020)Quartz is used as the silicon source for silicon and ferrosilicon production. Together with various carbon materials, the quartz is added to a submerged arc furnace. Energy is supplied through three carbon electrodes, which ... -
Phase Transformations from Quartz to Cristobalite
(The Minerals, Metals & Materials Series;, Chapter, 2018)Two quartz types used in the silicon and ferrosilicon industry were heated to temperatures of 1600 and 1700 °C. The parameters varied were the temperature and the holding time at maximum temperature. The amount of quartz, ... -
Phase transformations in quartz used in silicon and ferrosilicon
(Peer reviewed; Journal article, 2021)Different quartz types are used as raw material for silicon and ferrosilicon production. Upon heating, the quartz will experience phase transformations to other silica polymorphs. In this study the phase transformation ... -
Phase transition enabled durable anti-icing surfaces and its DIY design
(Journal article; Peer reviewed, 2019)Generally, the longevity and durability of slippery liquid infused porous surfaces (SLIPS) applied for anti-icing purpose are of great challenge. In this work, phase transformable slippery liquid infused porous surfaces ...