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 11 of 11 for “"Wear-corrosion"”.
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Understanding the electrification-driven lubrication mechanism of phosphonium ionic liquids to enhance the degradation resistance of electric vehicle components
… energy loss is still attributed to friction and wear in components such as gears and bearings. Moreover, electrified environments in EVs introduce stray currents that exacerbate material loss through arcing, challenging the performance of traditional lubricants. As an alternative, conductive …
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Abrasion-corrosion of downhole drill tool components
… funded PhD project entitled ‘Abrasion-corrosion of downhole drill tool components’. The objective of this project was to replicate the wear-corrosion mechanisms of tungsten carbide (WC)-based hardmetals and coatings occurring in downhole environments (pH 9-11) under controlled …
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The evaluation of a one-cylinder Delco gasoline engine as an accelerated lubricating oil test unit
… so that it can test lubricating oils for wear, corrosion and tendency to oxidation and detergency, and give reproducible results. The purpose of this investigation is three-fold: (1) To install the control accessories required for control of the engine test conditions, and assemble the one …
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Understanding the Structure-property Relationships of Solid-state Additively Manufactured Stainless-steel Coatings
… part failure due to the influence of abrasion, corrosion, sliding wear-corrosion (i.e., tribo-corrosion), and fretting corrosion degradation. As a method to mitigate these handicaps, cold spray additive manufacturing (CSAM, or more frequently referred to as cold spray (CS)) has proved to be a …
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Remanufacturing of precision metal components using additive manufacturing technology
… and pressure, impact with foreign objects, wear, corrosion, and fatigue. Additive manufacturing has a promising application for the refurbishment of such high-costly parts by depositing materials at the damaged zone to restore the nominal geometry. However, several issues such as …
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Abrasion-corrosion of cast CoCrMo in simulated hip joint environments
… patients in recent years due to their improved wear performance compared to conventional metal-on-polymer bearings. MoM bearings operate at body temperature within a corrosive joint environment and therefore are inevitably being subjected to wear and corrosion as well as the combined action of …
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The role of head size in total hip arthroplasty - Dislocation, wear and cup stability
… but there are concerns related to polyethylene wear, corrosion and cup loosening. Paper I is an observational study that aimed to investigate whether the transition from 28-mm to 32-mm heads and thereafter to 36-mm heads in patients undergoing total hip arthroplasty (THA) after osteoarthritis …
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Effects of Chemical and Structural Heterogeneity on the Tribocorrosion Resistance of Metals in Aqueous Solutions
The corrosion-wear resistance tradeoff in conventional metals imposes a great challenge to their reliable long-term performance under extreme conditions where surface stress and corrosive environment coexist (i.e., tribocorrosion). In this work, strategies to introduce chemical and structural …
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PVD COATING TREATMENT TOWARDS A SUSTAINABLE AND ECO-FRIENDLY MANUFACTURING SYSTEM
Modern industries face critical challenges of wear, corrosion, and short component lifetimes, all of which impose high environmental and economic costs. Sustainable coating solutions are therefore required to enhance durability while reducing waste and energy consumption. Physical Vapor Deposition …
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Wear and Corrosion Resistance Improvement of CoCrMo alloy by Tantalum Based Coatings
… after 15 years of service due to the excessive wear of the polyethylene liner and corrosion of the metallic ball which causes osteolysis, inflammation, and loosening of the implant components. Coating the metallic femoral head is one of the most promising techniques to reduce the wear of the …
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Integrated Experimental and Computational Design of Alloys for Wear and Corrosion Resistance Across the Temperature Spectrum
Metals and alloys with exceptional resistance to wear and corrosion, capable of withstanding a wide range of temperatures and harsh corrosive environments, are critical for diverse applications, including aerospace, automotive, energy production, and medical devices. However, achieving this dual …