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Dissertations / Theses on the topic 'Steel'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Di, Martino Fabio. "Microstructural characterisation of continuously cooled steels and steel welds." Thesis, Loughborough University, 2006. https://dspace.lboro.ac.uk/2134/13615.

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Fe-Mn-Si-C steels are currently the most widely used type of steel for structural, building and automotive applications. Additionally, these steels also find important applications within welded structures, due to their low cost and versatility with regard to chemical composition and heat treatments because of the possibility to tailor their final mechanical properties. The production of a specific component made out of such steels generally involves continuous cooling heat treatments. Therefore, the way in which an optimum balance is achieved between the heat treatment parameters, the alloy c

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2

Jamwal, Ranbir Singh. "Microstructural origins of variability in the tensile ductility of dual phase steels." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39477.

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Quantitative relationships among processing parameters, microstructure, and material properties are of considerable interest in the context of development of robust processing routes that optimize the required material properties. As a result, the scientific literature contains a large number of experimental and theoretical studies on microstructure-properties relationships. Fracture sensitive mechanical properties such as ductility, ultimate tensile strength, fatigue life, and fracture toughness depend on the average microstructural parameters as well as the distributions of microstructural p

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3

Simsir, Mehmet. "Investigation Of Fracture Behavior Of Steel/steel Laminates." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604834/index.pdf.

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A study is carried out into fracture behavior of steel/steel laminates both experimentally and through finite element analysis (FEM). The laminates produced by hot pressing consisted of low carbon and medium carbon steels with two volume fractions<br>0.41 and 0.81. Fracture toughness, JIC has been measured using partial unloading technique assuming a critical value of crack extension. The technique is initially applied to monolithic material and then to the laminates in crack divider orientation. Evaluation of fracture toughness of laminates indicates that there is a substantial improvement of

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4

Cyril, Nisha S. "Anisotropy and Sulfide Inclusion Effects on Tensile Properties and Fatigue Behavior of Steels." Connect to full text in OhioLINK ETD Center, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1198808409.

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Thesis (M.S.)--University of Toledo, 2007.<br>Typescript. "Submitted as partial fulfillment of the requirements for the Master of Science Degree in Mechanical Engineering." "A thesis entitled"--at head of title. Bibliography: leaves 204-209.

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5

Foundoukos, Nickolaos. "Behaviour and design of steel-concrete-steel sandwich construction." Thesis, Imperial College London, 2005. http://hdl.handle.net/10044/1/8819.

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6

Coyle, Neil Robert. "Development of fully composite steel-concrete-steel beam elements." Thesis, University of Dundee, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270046.

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Steel-Concrete-Steel (SCS) composite construction consists of two relatively thin steel plates with the space between filled with concrete. Various forms of this construction exist, using overlapping shear studs and single bar connectors to provide shear reinforcement to the concrete and provide a shear transfer at the interface. The problem with current systems that rely purely upon shear studs or bar connectors is that they are prone to slip between the steel faceplates and concrete core. This slip leads to a loss of composite action causing a loss of stiffness and a reduced fatigue life. An

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7

Hardell, Jens. "High temperature tribology of high strength boron steel and tool steels." Licentiate thesis, Luleå : Luleå University of Technology, 2007. http://epubl.ltu.se/1402-1757/2007/36/index.html.

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8

McCann, Robert K. "Loading Capacity of Massillon Steel Joist and Truscon Steel Joist." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1494286003564687.

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9

Mahdavian, Mahsa. "Innovative Cold-Formed Steel Shear Walls with Corrugated Steel Sheathing." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849608/.

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This thesis presents two major sections with the objective of introducing a new cold-formed steel (CFS) shear wall system with corrugated steel sheathings. The work shown herein includes the development of an optimal shear wall system as well as an optimal slit configuration for the CFS corrugated sheathings which result in a CFS shear wall with high ductility, high strength, high stiffness and overall high performance. The conclusion is based on the results of 36 full-scale shear wall tests performed in the structural laboratory of the University of North Texas. A variety of shear walls were

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10

Nekouie, Esfahani Mohammadreza. "Laser welding of dissimilar carbon steel to stainless steel 316L." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/19760.

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Laser welding of metals and alloys is extensively used in industry due to its advantages of controlled heating, narrow weld bead, low heat affected zone (HAZ) and its ability to weld a wide range of metals and dissimilar metals. Laser welding of dissimilar metals such as carbon steels and stainless steel is still a challenging task, particularly due to the formation of brittle phases in the weld, martensitic formation in the HAZ and solidification cracking in the fusion zone. These issues can significantly deteriorate the strength of the welded joint. The aim of this work is to investigate the

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11

Nip, Ka Ho. "Cyclic behaviour of carbon steel and stainless steel tubular members." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/42999.

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Concentrically braced frames are a common form of earthquake resistant structure. Performance of the structure is largely dependent on the ability of the key dissipative components, in this case the diagonal bracing members, to undergo significant inelastic deformations. Whilst many earlier studies have examined the hysteretic response of bracing members, comparatively less attention has been given to the ultimate behaviour and failure conditions. There are also significant uncertainties in existing models for predicting the ductility capacity of braces owing to their semi-empirical nature as

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12

Skoglund, Oskar. "Innovative structural details using high strength steel for steel bridges." Licentiate thesis, KTH, Bro- och stålbyggnad, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259949.

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The use of high strength steel has the potential to reduce the amount of steel used in bridge structures and thereby facilitate a more sustainable construction. The amount of steel and what steel grade that can be used in bridge structures and other cyclic loaded structures are often limited by a material degradation process called fatigue. The fatigue resistance of steel bridges are to a large extent depending on the design of structural details and connections. The design engineer is limited by a few pre-existing structural details and connections – with rather poor fatigue resistance – to c

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13

Zlotniov, Susanna. "Life After Steel." Research Showcase @ CMU, 2015. http://repository.cmu.edu/theses/92.

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The success of a city’s transition initiatives depends on how effectively members of a community can work together. Transitioning a community often involves major shifts in lifestyle and social realities that may expose a gap between administrative goals and varying residential needs. This gap can cause tensions between stakeholders and ultimately break down transition efforts. Visual storytelling can empower members of a community to become more informed, engaged, collaborative and productive during transition while fostering a more coherent connection to place. Pittsburgh’s rich historical n

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14

Atlayan, Ozgur. "Hybrid Steel Frames." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50562.

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The buildings that are designed according to the building codes generally perform well at severe performance objectives (like life safety) under high earthquake hazard levels. However, the building performance at low performance objectives (like immediate occupancy) under low earthquake hazards is uncertain. The motivation of this research is to modify the design and detailing rules to make the traditional systems perform better at multi-level hazards.<br /><br />This research introduces two new structural steel systems: hybrid Buckling Restrained Braced Frames (BRBF) and hybrid steel Moment F

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15

Oetterli, Linn. "The Battle of Steel - Impact of U.S. steel tariffs on Swedish steel exports : A synthetic control group approach." Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-434749.

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The aim of this study is to examine whether the 2018 U.S. steel tariffs have negatively impacted Swedish steel exports to the U.S, given that the U.S. is Swedish steel industry’s second most important foreign market and the majority of Swedish steel exports to the U.S. are subject to the tariffs. The theoretical foundation for this study is the standard trade model, which predicts a decline in quantity traded due to tariffs. With monthly export value data for January 2015 to January 2020, the synthetic control method (SCM) is used to create a counterfactual to the steel products subject to tar

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16

Morris, Andrew Weldon. "The second age of steel : the era of alloy steels, 1858-1914." Thesis, University of Exeter, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444455.

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17

Orto, Julie M. "From Steel Cities to Steal Cities: Is Rusty Risky for High Crime?" Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1390337303.

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18

Ho, Ho-chuen Federick. "Ferrous metal balance of Hong Kong : consumption, waste generation, recycling and disposal /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18734893.

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19

Yu, Guowang. "Cold-formed Steel Framed Shear Wall Sheathed with Corrugated Sheet Steel." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc271921/.

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Incombustibility is one important advantage of the sheet steel sheathed shear wall over wood panel sheathed shear wall. Compared to shear wall sheathed with plywood and OSB panel, shear wall sheathed with flat sheet steel behaved lower shear strength. Although shear wall sheathed with corrugated sheet steel exhibited high nominal strength and high stiffness, the shear wall usually behaved lower ductility resulting from brittle failure at the connection between the sheathing to frames. This research is aimed at developing modifications on the corrugated sheathing to improve the ductility of the

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20

Wells, James E. "Interaction of stainless steel threaded fasteners with stainless steel locking inserts." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01102009-063308/.

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21

Prasannavenkatesan, Rajesh. "Microstructure-sensitive fatigue modeling of heat treated and shot peened martensitic gear steels." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31713.

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Thesis (Ph.D)--Mechanical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: David L. McDowell; Committee Member: G. B. Olson; Committee Member: K. A. Gall; Committee Member: Min Zhou; Committee Member: R. W. Neu. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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22

Hussain, I. "A comparison of the cleanliness of steels treated with calcium-silicon and magnesium." Thesis, University of Wolverhampton, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234259.

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23

King, Benjamin. "Welding and post weld heat treatment of 2.25%Cr-1%Mo steel." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060404.095844/index.html.

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24

Jansson, Sune. "A study on molten steel/slag/refractory reactions during ladle steel refining." Licentiate thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-312.

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25

Vijayakumar, Sujaya Jairam. "Mapping and analysis of the steel matrix across the Steel/WC- Composite." Thesis, KTH, Tillämpad processmetallurgi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-157349.

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26

Deng, Zhiyin. "Study on the Interaction between Refractory and Liquid Steel Regarding Steel Cleanliness." Doctoral thesis, KTH, Mikro-modellering, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190071.

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The present thesis focuses on the interaction between refractory and liquid steel. The aim of this work is to understand the interaction behavior between refractory and liquid steel regarding steel cleanliness. The effect of different refractories on different inclusions in Al-killed steel was studied in a furnace. The sintering mechanism of filler sand were also investigated in laboratory. In the industrial trials, the attachments of different oxides on the walls of submerged entry nozzle (SEN) were discussed in the cases of high strength low alloy steel (HSLA) and ultra-low carbon steel (ULC

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27

Corner, Sebastien Marc William. "Screw-Fastened Cold-Formed Steel-to-Steel Shear Connection Behavior and Models." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/78073.

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This research introduces a proposed model for predicting tilting angle and limit states of single-fastened cold-formed steel-to-steel shear connections. Predictions are validated through an experimental study considering ply configuration and a single Hex #10 -washer head fastener, centered in a 102 mm by 102 mm three boundary window. The fastener tilting angle is captured using an automated, optical non-contact measurement procedure. The results are used to identify cold-formed steel shear connection deformation as load progresses, including tilting, bearing, and combined tilting bearing at t

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28

Xiao, Bin. "Multipass laboratory simulations of steel plate hot rolling for improved steel productivity." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/5072/.

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29

Besgul, Ozge. "Design And Production Of Steel Buildings: A Case Study In Ankara." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607871/index.pdf.

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It is vital that Turkey keep abreast of developments in the world and build up its technology to become a developed country. Steel construction is one of these areas. In this context, the main purpose of this study was to define, analyze and evaluate the general characteristics of structural steel and steel construction with the purpose of throwing new light on its advantages and disadvantages. Within this framework, a literature survey was conducted on structural steel components and structures<br>and on steel construction in Turkey. Additionally, a case study was carried out on a steel offi

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30

Khoo, Heng Aik. "Ductile fracture of steel." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0014/NQ59610.pdf.

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31

Ahn, ByeoungSoo 1959. "Hydrogen in enameling steel." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33320.

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Enameling steel, used in a vast range of applications, can suffer from a surface defect resembling fish scale. In this study, the effects of several microstructural, physical and coating factors on the hydrogen diffusion in low carbon steel were investigated using an electrochemical permeation apparatus, to find out the way to prevent the surface defects on the enamel coatings.<br>A new mechanism explaining the formation of the surface defects on the enameling steel was proposed after summarizing the experimental results. Then, the effects of porosity, dislocation density, the surface roughnes

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32

Berryman, Eleanor. "Carbonation of steel slag." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110434.

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Iron and steel production is a rapidly growing industry with global outputs increasing 65% over the last ten years (World Steel Association, 2012). Unfortunately, it is also the largest industrial source of atmospheric CO2, accounting for a quarter of the CO2 emissions from industrial sources (International Energy Agency (IEA), 2007).Mineral carbonation provides a robust method for permanent sequestration of CO2 that is environmentally inert. Larnite (Ca2SiO4), the major constituent of steel slag, reacts readily with aqueous CO2 (Santos et al., 2009). Consequently, its carbonation offers an im

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33

Pickering, Edward John. "Macrosegregation in steel ingots." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708651.

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34

Nhamoinesu, Shelton. "Steel-glass composite panels." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708845.

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35

Strömbom, Johannes. "Natural Fingerprinting of Steel." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85531.

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A cornerstone in the industry's ongoing digital revolution, which is sometimes referred to as Industry 4.0, is the ability to trace products not only within the own production line but also throughout the remaining lifetime of the products. Traditionally, this is done by labeling products with, for instance, bar codes or radio-frequency identification (RFID) tags. In recent years, using the structure of the product itself as a unique identifier, a "fingerprint", has become a popular area of research. The purpose of this work was to develop software for an identification system using laser spec

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36

Carolan, Matthew. "Voices of Bethlehem Steel." Thesis, Lehigh University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10275483.

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<p> This research and documentary film attempts to articulate the story of the worker at Bethlehem Steel formally located in Bethlehem, Pennsylvania. In part, this is an examination of the labor unions at Bethlehem Steel and though they remain always in the background the film delves more deeply into the evolution of the worker at the plant from the early strikes for labor recognition to the closing of the plant. There are three chapters in the film; the 1941 Bethlehem Steel strike, the unions after their recognition, and the closing of the Bethlehem plant. The workers stories and analysis for

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37

Abosrra, L. R. "Corrosion of steel reinforcement in concrete : corrosion of mild steel bars in concrete and its effect on steel-concrete bond strength." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5417.

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This thesis reports on the research outcome of corrosion mechanism and corrosion rate of mild steel in different environments (saline, alkaline solutions and concrete media) using potentiodynamic polarization technique. The study also included the effect of corrosion on bond strength between reinforcing steel and concrete using pull-out test. Corrosion of mild steel and 316L stainless steel with different surface conditions in 1, 3 and 5% saline (NaCl + Distilled water) was investigated. Specimens ground with 200 and 600 grit silicon carbide grinding paper as well as 1μm surface finish (polish

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38

Wibbenmeyer, Kaye Dee. "Determining the R values for 12 inch deep Z-purlins and girts with through-fastened panels under suction loading." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2010. http://scholarsmine.mst.edu/thesis/pdf/Wibbenmeyer_09007dcc807d5580.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2010.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed July 26, 2010) Includes bibliographical references (p. 58-59).

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39

Jaramillo, Fulvio E. "Axially loaded stainless steel compression members." Thesis, Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07102006-144943/.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2007.<br>Leroy Z. Emkin, Committee Member ; Lawrence F. Kahn, Committee Member ; Abdul-Hamid Zureick, Committee Chair.

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40

Soltani, Maryam. "Image-based analysis of steel sheathed cold-formed steel shear wall buckling behavior." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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The high lateral force resisting feature of the cold-formed steel structure, make it an attractive design choice in seismic zones. The shear strength of these systems controls by two critical factors, the characteristic of the sheathed and the sheathing-to-frame connections. There are many challenges associated with testing different configurations of these thin-wall structures (size, layout, sheathed material). Despite the huge growth of such constructions, the design procedure and the numerical calculation developed by the American Iron and Steel Institute provision AISI S240 (2015) and AISI

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41

Rodrigues, Pardal Goncalo Nuno. "Joining of steel to aluminium and stainless steel to titanium for engineering applications." Thesis, Cranfield University, 2016. http://dspace.lib.cranfield.ac.uk/handle/1826/10007.

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Dissimilar welding has been subject of several investigations due to its potential importance in various industrial fields such as transportation, energy generation and management. Dissimilar welding can increase the design efficiency, by the use of complementary alloys with different properties, cost cutting and light weighting structures. The use of different materials within a component or structure to best suit a particular task, requirement or increase its life and performance has always been an ambition of several designers and engineers. This project investigated the joining steel and a

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42

Jeyarupalingam, Nadarajah. "Steel, steel/concrete composite and reinforced concrete beams and columns exposed to fire." Thesis, City University London, 1996. http://openaccess.city.ac.uk/7766/.

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This thesis describes the development of a numerical method for the structural analysis of beams and columns subjected to a non-linear variation of temperatures in all three directions. The numerical method allows for analysis of a wide variety of cross sections with a number of materials and members with varying cross section along the length. The member can be subjected to any combination of axial load, end moments, lateral load and bi-axial bending. Any fire temperature characteristic can be specified. The numerical method has been validated by comparing results with a number of experimenta

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43

Hatlee, Jonathan Russell. "The Viability of Steel-Concrete Composite Girder Bridges with Continuous Profiled Steel Deck." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/34208.

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The continuous permanent metal deck form system provides a quick and efficient method of constructing short-span, simply supported composite steel girder bridges. However, because shear studs can only be welded to the girder through the steel deck at rib locations, the number of shear stud locations is limited to the number of ribs in the shear span while the spacing of the shear studs is restricted to the rib spacing of the steel deck. This results in a condition where various provisions of the AASHTO LRFD Bridge Design Specifications (2007) cannot be satisfied, including shear stud fatigue s

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44

Sanchez, Andrea Nathalie. "Forecasting Corrosion of Steel in Concrete Introducing Chloride Threshold Dependence on Steel Potential." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5303.

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Corrosion initiates in reinforced concrete structures exposed to marine environments when the chloride ion concentration at the surface of an embedded steel reinforcing bar exceeds the chloride corrosion threshold (CT) value. The value of CT is generally assumed to have a conservative fixed value ranging from 0.2% to - 0.5 % of chloride ions by weight of cement. However, extensive experimental investigations confirmed that CT is not a fixed value and that the value of CT depends on many variables. Among those, the potential of passive steel embedded in concrete is a key influential factor on t

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45

Sanchez, Escalera Victor M. "ENHANCING PROGRESSIVE COLLAPSE RESISTANCE OF STEEL BUILDING FRAMES USING THIN INFILL STEEL PANELS." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/499.

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Progressive collapse occurs when damage from a localized first failure spreads in a domino effect manner resulting in a total damage disproportionate to the initial failure. Recent building failures (e.g., World Trade Center twin towers) highlight the catastrophic outcome of progressive collapse. This research proposes a reliable and realistic retrofit technology which installs thin steel panels into steel building structural frames to enhance the system progressive collapse resistance. The steel frames with simple beam-to-column connections, under different boundary conditions (i.e., sides

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46

Guo, Tzer-main, and 郭澤綿. "Acicular ferrite transformation in alloy-steel metals and alloy steels." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/60966943195502754404.

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"INVESTIGATION OF FRACTURE BEHAVIOR OF STEEL/STEEL LAMINATES." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604834/index.pdf.

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48

Espinos, A., M. L. Romero, and Dennis Lam. "Fire performance of innovative steel-concrete composite columns using high strength steels." 2016. http://hdl.handle.net/10454/8142.

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yes<br>This paper presents the results of a numerical investigation on strategies for enhancing the fire behaviour of concrete-filled steel tubular (CFST) columns by using inner steel profiles such as circular hollow sections (CHS), HEB profiles or embedded steel core profiles. A three-dimensional finite element model is developed for that purpose, which is capable for representing the various types of sections studied and the nonlinear behaviour of the materials at elevated temperatures. High strength steel is considered in the numerical model, as a possible way to lengthen the fire endurance

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49

Marshall, Paul Thomas. "Steel waters." 2005. http://purl.galileo.usg.edu/uga%5Fetd/marshall%5Fpaul%5Ft%5F200512%5Fma.

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WU, Y. J., and 吳英政. "steel reserch." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/73279263252966294627.

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