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Development of effective green lubricants for industrial drilling systems in aggressive environments
DownloadSpring 2024
In drilling systems used in the oil and gas industry, drilling equipment often encounters critical problems which could result in irreparable damage to metallic equipment. Chemical and physical interactions at the contact between different parts, such as drill bits, drill strings with well walls...
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Corrosivity and Thermal Stability of Biocrude Oil for Co-Processing in FCC Feedlines: An Investigation and Risk Assessment
DownloadSpring 2023
Fast pyrolysis bio-oil is a promising renewable energy source derived from biomass. However, its high corrosivity and poor thermal stability have limited its widespread use as a drop-in fuel. One promising method for transforming low-quality biocrudes into drop-in fuels is co-processing with...
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Fall 2023
Tribocorrosion, a synergistic impact of wear and corrosion, impacts the lifespan of machine parts in most sectors. Consequently, duplex coating has emerged as the most promising solution to address tribocorrosion. In this work, advanced noble duplex coating systems of TiAlN/WC-NiBSi/steel and...
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Electrochemical Performance of a Wire Arc Additive Manufactured PH 13–8Mo -AISI 420 Martensitic Stainless Steels Dissimilar Metal Combination
Download2022-06-01
Salahi, Salar, Ghaffari, Mahya, Nemani, Alireza Vahedi, Nasiri, Ali
Conference abstract. Part of the Proceedings of the Canadian Society for Mechanical Engineering International Congress 2022.
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Corrosion Assessment and Mechanisms of Materials in Pre-hydrolysis and Hydrothermal Liquefaction Biorefining Systems
DownloadFall 2022
Advanced biomass conversion technologies, including hot dilute acidic pre-hydrolysis and hydrothermal liquefaction, have been developed for the generation of renewable bioenergy products and biochemicals from existing biomass resources and biowastes. However, the deployment of the technologies is...
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Development of Finite Element Modeling and Bayesian Parameter Estimation Strategies for Corroded RC Bridges towards Probabilistic Seismic Performance Assessment
DownloadFall 2022
Reinforced concrete (RC) structures, such as RC bridges, are designed to remain safe and functional for their lifetime, during which the impacts of aging may result in performance degradation. Steel bar corrosion is one of the most common causes of structural performance degradation in RC...
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Spring 2022
Filiform corrosion (FFC, also known as under-film corrosion) is commonly observed on surfaces of coated aluminum (Al) and aluminum alloys (AA), especially in environments combining marine and industrial atmosphere. The chemical composition of the substrate is believed to play an important role in...
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Fall 2022
The application of dissolvable materials is becoming widely used in hydraulic fracturing, especially in low permeability reservoirs. To date, most of the DAs are based on Al alloys (AAs) or Mg alloys, which offer desirable dissolvability, yet limited mechanical properties. This work aims to...
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2021-01-01
Ahmed, E., Henein, H., Qureshi, A., Liu, J.
Downhole tools made of dissolvable alloys (DAs) are getting more attractive, especially with the difficulties that arise from drilling wellbores with longer lateral distances. To date, most of the DAs are based on Al alloys (AAs) or Mg alloys, which offer undesirable mechanical properties. This...
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Computational investigation of the effect of microstructure on the scratch resistance of tungsten-carbide nickel composite coatings
Download2021-08-15
Parsazadeh, Mohammad, Fisher, Gary, McDonald, André, Hogan, James D.
Sliding wear was simulated for tungsten carbide-nickel (WC-Ni) composites with different WC particle sizes and volume fractions under various normal forces. Johnson-Cook and Johnson-Holmquist models were employed to simulate the mechanical behaviour of the Ni and WC phases, respectively. Using...