Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 41 for “"Steelmaking"”.
-
Scale formation, properties and de-scaling in steelmaking
<p>During continuous castings, reheating, and hot rolling, slab surfaces are exposed to atmospheres containing oxidizing gases which results in scale formation. Inefficient removal of the formed scale during reheating affects product surface quality. The effect of steel composition and operating …
-
Numerical simulation of fumes evacuation in steelmaking plants
Evacuation systems in steelmaking plants contribute to the security of the operators around the furnace and help to gain the emission levels stated in the environmental regulations, furthermore play a major role in the mass and heat balance of the factory. The aim of the dissertation is to study …
-
Melting of D-R materials in steelmaking slags
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1979.
-
Designing and modeling of a new continuous steelmaking process
… has the potential to lower the cost of steelmaking as compared to current batch operations. However, experiences from past attempts to develop and commercialize continuous steelmaking processes show that there are several engineering hurdles to overcome. The objective of this research …
-
Analyzing the Future Architecture of Steelmaking Enterprise in Japan
… objective of this study is to investigate the steelmaking enterprise against landscape changes and stakeholder needs and to generate resilient alternative architectures that are compatible with the NSC context. Furthermore, alternative architectures are evaluated in the context of several …
-
Modelling and state-estimation of steelmaking in an electric arc furnace.
… incentives to obtain improved control of the steelmaking process in the electric arc furnace are presented and progress made in applying computer control is reviewed. The development of a mathematical model of the refining process is shown to be restricted by the complex metallurgical nature …
-
The heating and melting of metallic DRI particles in steelmaking slags
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1983.
-
The International Diffusion of The Basic Oxygen Process of Steelmaking: An Empirical Study
Made available in DSpace on 2014-12-14T06:05:55Z (GMT). No. of bitstreams: 1 7624182.pdf: 4470018 bytes, checksum: 73b571ae49a4994c95d645211508bef8 (MD5) Previous issue date: 1976
-
Development of lightweight insulating refractories for steelmaking and other high-temperature process industries
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1996, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science & Engineering, 1996.
-
Incorporation of oxygen, sulfur and chlorine in ironmaking and steelmaking slags containing fluxes based on mayenite
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1995.
-
Assessing Opportunities to Reduce Carbon Dioxide Emissions from Electric Arc Furnace Steelmaking in the United States
… thesis focuses on Electric Arc Furnace (EAF) steelmaking, which accounts for roughly 70% of steel production in the United States. Decarbonization levers for EAF producers are diverse—encompassing energy efficiency (EE) measures, fuel switching, material input substitution, development of …
-
A diffuse interface model of transport limited electrochemistry in two-phase fluid systems with application to steelmaking
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
-
Exploring the Role of Hydrogen in Decarbonizing Heavy Industry
… of hydrogen in two heavy industry applications; steelmaking and high temperature heating. These processes rely on fossil fuels for multiple attributes and there is not another low carbon alternative fuel that has all of these characteristics. I find that in all regions, low carbon hydrogen …
-
Preparation of glass-ceramics largely using steelmaking slags and study on the effect of iron content on properties of glass-ceramics
<p>Glass-ceramics were prepared using steelmaking industry waste containing high iron content based on powder sintering and crystallization method. Anthracite was used in varying amounts as the reducing agent to recover iron in raw materials. X-ray diffraction analysis (XRD), Fourier Transform …
-
Model studies of metal-slag reactions in reaction generated foams.
… slag-raetal-gas reactions that occur in L.3). steelmaking. In the model the molten iron was represented by a pool of sodium amalgam, the slag by a mixture of water and glycerol and the oxygen by a hydrogen chloride-nitrogen jet. Droplets of amalgam ejected from the bath by the impinging gas …
-
DISTRIBUTED FIBER-OPTIC TEMPERATURE SENSORS FOR APPLICATIONS IN THE STEEL INDUSTRY
<p>"Steelmaking facilities require continuous temperature measurements throughout the manufacturing process to ensure consistent product quality and high productivity. Motivated by the limitations of conventional temperature sensors, distributed fiber-optic sensors (DFOS) were developed and …
-
Mechanism and kinetics of transformation of alumina inclusions in steel by calcium treatment
In steelmaking, commonly used calcium treatment has the benefit of modifying inclusion composition, and the shape and size of these inclusions are also adjusted. Two of the main advantages of calcium treatment are not only the improvement of the castability but also the improvement of the final …
-
Sustainability in the built environment : the embodied carbon of steelwork in non-residential building structures
… concentrated on steel, from the energy-intensive steelmaking process to the 100% recyclability of steel components at the end of a building life. Carbon emissions and energy consumption at various stages of steel production, manufacture, construction, maintenance and end-of-life are reviewed in …
-
Novel Estimation and Detection Techniques for 5G Networks
… algorithm for detecting anomalies in industrial steelmaking furnaces operation. The algorithm utilizes the vibration measurements collected from several built-in sensors to compute the temporal correlation using the autocorrelation function (ACF). Furthermore, the proposed model parameters are …
Page 1 of 3