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 33 for “"Fatigue behaviour"”.
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ROLLING CONTACT FATIGUE BEHAVIOUR OF CASE-CARBURISED STEELS
… phase transformation, with the rolling contact behaviour of normal and excessive carburised disc specimens is investigated.
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Fatigue behaviour of CFRP-repaired corroded RC beams
… often subjected to oscillating loads that cause fatigue, significantly reducing the life of the structure. With the use of fibre reinforced plastics (FRPs) to rehabilitate and extend the life of structures, the remaining fatigue life after the repair must be assessed. This research is focused on …
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Fatigue Behaviour of CFRP Strengthened Reinforced Concrete Beams
… heavy haul industry, may be severely impacted by fatigue when subjected to repeated cyclic loading. Fatigue not only reduces load carrying capacity and serviceability limit states (SLS), but it can cause structural failure even when the components are subjected to low stress range cyclic loading. …
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The low cycle fatigue behaviour of alpha-titanium.
Massachusetts Institute of Technology. Dept. of Metallurgy and Materials Science. Thesis. 1972. Ph.D.
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Fretting fatigue Behaviour of Inconel 718 at room and high Temperature
This thesis analyses the fatigue behaviour of Inconel 718, a Nickel-Chromium-based superalloy known for its excellent mechanical properties and high resistance to corrosion and oxidation, even at elevated temperatures. The study combines experimental testing and numerical simulations in order to …
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A statistical analysis of the fatigue behaviour of single and multi-spot welded joints.
… exist that can provide predictions for the fatigue properties of a spot welded joint based on geometric data. However, the accuracy of these models tends to diminish as the number of spot welds and complexity of the joint increases. This thesis reports on the findings of an investigative …
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Effect of high velocity oxy-fuel (HVOF) coatings on fatigue behaviour of carbon steel
… consideration of mechanical properties and fatigue behaviour into cognisance, the consequence of the HVOF thermal spraying coating on the components remain debatable. In this research, the main objectives are to obtain the mechanical properties, investigate the fatigue behaviour and observe …
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The effect of drawing strain on the fatigue behaviour of stainless and carbon steel wires
A study has been made of the fatigue crack initiation and fatigue crack growth behaviour of three different steels in wire form, namely, an austenitic AISI 304 stainless steel, a corrosion resistant ferritic steel, 3CR12, and pearlitic high carbon steel. The stainless steel wires were produced in …
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Partial-interaction behaviour of composite steel-concrete bridge beams subjected to fatigue loading / by Rudolf Seracino.
… and interfacial friction on the fatigue behaviour of composite bridge beams and develops a set of design rules for the assessment of the residual strength and performance of composite bridge beams.
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Development of a vibration fatigue failure prediction model for automotive lamps made of polymers
… for numerically modelling and predicting the fatigue life of automotive lamps made of thermoplastic polymers. The primary aim is to use the fatigue failure prediction technique developed in this research to address fatigue challenges in the design of automotive lamps. The research combined …
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Numerical Modelling of Steel Fibre Reinforced Concrete Subjected to Fatigue Loading
… Concrete (SFRC) improves post-cracking behaviour through enhanced tensile strength, toughness, and crack control, offering increased resistance to fatigue damage. Despite extensive experimental research on SFRC, the fatigue behaviour of pre-cracked SFRC remains insufficiently explored, …
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The fatigue ageing of vulcanised rubbers
The cause of the respective rough and smooth fatigue failure surfaces of Neoprene GS : Neoprene W and Neoprene GS : natural rubber vulcanisates is investigated. The contrasting morphology of the vulcanisates is found to be the major factor determining the fatigue behaviour of the blends. Neoprene …
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Experimental investigation of the combined effects of corrosion and mean stress on fatigue strength of low carbon steel
… effects of corrosion 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 …
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Analytical behaviour of FRP strengthened reinforced concrete beams under low velocity impact load incorporating rate dependant material constitutive models
… ratio, corrosion resistance, excellent creep and fatigue behaviour, and ease of installation are amongst some of the advantages offered by externally bonded FRP systems over traditional strengthening methods. In addition to strengthening for static loading, there are many scenarios where …
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Initiation and growth of corrosion fatigue crack for AVPP treated stainless steel.
… been assessed in relation to their role on the fatigue behaviour of stainless steel materials, in particular the early stages of corrosion fatigue. Several experimental techniques have been used to quantify changes in material response during stress and corrosion interactions. The original …
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The identification and modelling of the dominant failure mode in hot forging tooling
… of a lifing model. Isothermal tensile and fatigue tests were performed under temperatures and strain rates representative of hot forging tooling conditions. The microstructural instability during these conditions was investigated. A literature review explored state of the art approaches to …
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New Fatigue Test Method for Evaluating the Performance of Adhesive Bonded Joints
… in physical, chemical, and mechanical behaviour of the individual constituent materials once joined together creates a much more complex system than is the case for monolithic materials. The majority of engineering structurally bonded components are often subject to variable or repeated …
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Floating production storage offloading unit structural fatigue analysis
This thesis examines the fatigue behaviour of FPSO structures. It has been compiled as a result of theoretical, analytical and experimental study. The Finite Element approach has been utilized to analyse the FPSO's structure. It is intended that this particular work will enable further computer …
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Fatigue crack propagation in functionally graded materials
… were produced, and elastic properties and fatigue behaviour were characterised. An increase in crack propagation resistance under cyclic loading was quantified via a novel analytical approach. A simulation platform was developed with the commercial FE package ANSYS. Material gradient was …
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Non-woven, recycled carbon fibre composites : development of test methods and assessment of process parameters
… to understand their capabilities and mechanical behaviour. Much of the standardised macro-scale test methods for composite characterisation were developed for continuous, fibre-reinforced composite systems and their applicability to non-woven, recycled carbon fibre composites is a gap in …
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