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.
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Showing 1 to 20 of 29 for “"low-carbon steel"”.
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The fatigue of welded butt joints in low carbon steel
… on specimens cut from Jin. thick plate of medium carbon steel, over a range of alternating and mean stress levels. The welds were produced using manual metal arc, gas metal arc and electron beam welding processes and manufactured in industry by accepted production methods. A non destructive …
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Multi-component boron coatings on low carbon steel AISI 1018
… To study multi-component boron coatings on low carbon steel AISI 1018, the simultaneous powder pack method of boronizing and metalizing was selected to perform the coatings. One B-Fe system and eight boron-metal (B-Me-Fe) systems from transition metals group IVB (Ti, Zr, Hf), group VB (Nb, …
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Comparison of machining and tensile test data of low carbon steel.
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1945
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Effect of Amines as Corrosion Inhibitors for a Low Carbon Steel in Power Industry
… were evaluated for their effect on AISI 1018 steel at 250oF. Samples were exposed to an autoclave containing amine added aqueous solution at pH of 9.5 for 1, 2, 4, 6, 8, and 12 hours. Morphology studies were carried using scanning electron microscope (SEM), phase analysis was done utilizing …
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Preparation and Examination of Fe3C Films Found in CO2 Corrosion of Low-Carbon Steel
Made available in DSpace on 2017-07-06T18:48:27Z (GMT). No. of bitstreams: 3 Heuer_Jonas_K_MS.pdf: 37905692 bytes, checksum: 69fd8d343b10fcfc25438b335ae691eb (MD5) Heuer_Jonas_K_MS_ABS.pdf: 1107246 bytes, checksum: 0263749f934671143349eb914680405f (MD5) license.txt: 4813 bytes, checksum: …
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The effect of non-metallic particles on as-cast austenitic structure of low carbon steel
… as-cast austenite grain size of peritectic plain-carbon steel has been examined. Remelting tests followed by continuous cooling and helium quenching were performed on a Gleeble 1500 Thermo mechanical Simulator. Two low alloy types of steel were used; both had basically the same basic chemical …
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Temperature-Dependent Fracture Toughness Evaluation of WC-10Co4Cr Coating/1018 Low Carbon Steel Substrate System
… fracture toughness of WC-10Co4Cr coating/1018 low carbon steel substrate, which is a brittle coating/ductile substrate system, is evaluated at microscopic level with two types of models developed in terms of the Arrhenius type equation and rate controlling theory, utilizing indentation test …
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Experimental investigation of the combined effects of corrosion and mean stress on fatigue strength of low carbon steel
… and mean stress on the fatigue strength of a low carbon steel.;Corrosion fatigue is a large problem in many engineering fields, which also affects the mining and oil and gas industries, hence the interest from Weir Group. This phenomenon can significantly reduce the fatigue strength of …
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Laser Surface Alloying Low Carbon Steel Using Chromium and Nickel Powder Feed: Mechanisms, Microstructures, Properties and Models (Corrosion, Conduction, Mass Transfer)
… feeding system was used to alloy AISI 1016 steel surfaces with chromium and chromium plus nickel. Samples were examined microstructurally, and their corrosion resistance and surface roughness were measured. A variable-property heat conduction model was developed to study process responses to …
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Single shear vs. double shear for nails in lateral loading
… loads at or near proportional limit show that low-carbon-steel plain-shank and helically threaded Screwtite nails loaded in double shear carry twice the single-shear loads; while hardened high-carbon-steel plain-shank and Screwtite nails loaded in double shear carry considerably less than twice …
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The bonding of plasticized polyvinyl chloride sheet to metal
… were aluminum, brass, copper, nickel, low carbon steel, and stainless steel. The plastic sheeting was bonded to the metal by means of synthetic adhesive. Five different commercial adhesives were used. These were vinyl chloride-acetate resin, VYNW, modified vinyl chloride-acetate resin, …
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eyeDNA : Tool Condition Monitoring for a desktop CNC milling machine
… In this thesis, we designed and implemented a low cost Tool Condition Monitoring (TCM) system using off-the-shelf sensors and data acquisition methods . Peripheral end milling tests were done on a low carbon steel workpiece and the spindle vibration, cutting zone temperature and spindle motor …
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Acoustics and manufacture of Caribbean steelpans
The Caribbean steelpan is a pitched percussion instrument that originated in Trinidad and Tobago during the Second World War. Despite several research initiatives to improve the making of this relatively new instrument, several areas remain unaddressed. This thesis presents new approaches to help …
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Feasibility and optimization of dissimilar laser welding components
… dissimilar materials studied in this work are low carbon steel, 316 stainless steel, titanium G2, different types of aluminium alloys such as (6082, 5251H22 and 1050H24) with different thicknesses and different joint designs. For each dissimilar welded material, mathematical models were …
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Effect of Poisson’s Ratio on Material Properties Characterization by Nanoindentation with a Cylindrical Flat Tip Indenter
… find the elastic modulus, hardness and Pile up. Low carbon steel AISI1018, alloy steel AISI 4340 and aluminum alloy 6061 were selected for the case study. Finite element (FE) analysis using axisymmetric 3-D models used to establish the relationship between Poisson’s ratio and the deformation of …
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Exploring the Role of Hydrogen in Decarbonizing Heavy Industry
… increasingly being seized upon as a widespread decarbonization solution. There are a number of potential applications for hydrogen and investments are being funneled into demonstration projects. In this thesis work I explore the economic competitiveness of hydrogen in two heavy industry …
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Power plant degradation : a modular secondary plant and integral flow accelerated corrosion model
Flow Accelerated Corrosion (FAC) is the most prevalent material degradation mechanism for low carbon steel in steam-water flow systems. The band of uncertainty in predictions of wear rate due to FAC spans one to two orders of magnitude. Such a wide range of uncertainty inhibits the ability to …
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Deoxidation mechanisms in liquid steel.
… and changes in oxidation product morphology in low carbon steel melts. The techniques have been used to study the deoxidation processes associated with aluminium, titanium, silicon, zirconium and a calcium-aluminium alloy.After the addition of the deoxidant, the total oxygen concentrations of …
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Crystallisation Behaviour and Heat Transfer Phenomenon of Fluoride-free Mould Fluxes for Steel Continuous Casting
Mould fluxes provide indispensable functions for steel continuous casting, such as heat transfer control, lubrication, thermal insulation, inclusion entrapment, and oxidation prevention. Most of the commercial mould fluxes contain fluorides to ensure high steel quality, but they also bring about …
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Controlled Surface Layer Deposition for Steel Surface Hardening
Electrophoretic deposition (EPD) of Ti on low carbon steel followed by heat treatment, which was done at 600-1400 degree celsius for 1 h or 9 h under Ar (sintering) and 5% H2-N2 (nitridation), were used for surface hardening. The coarse Ti particles (≤50 μm) were suspended in ethanol using the …
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