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Fall 2023

Hossain, Saddam

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...

Spring 2011

Bhushan, Vivek

Flotation process is mineral processing technique used for separating valuable minerals from the gangue. The research presented in this thesis deals with assessing features that can help in measuring the performance (observing) bitumen flotation process and modeling damage in flotation units. A...

Fall 2013

Loewen, Derek J.

Hydraulic transport is commonly employed in the mining industry to transport crushed ore to a processing facility. Dense slurry flows inflict heavy wear on pipes, leading to significant process downtime and loss of revenue. Several factors have been identified as key contributors to pipe wear. ...

2021-08-15

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...

Fall 2015

Huang, Xiaochen

Mechanical, tribological and corrosion properties of metallic materials are of significance to their industrial applications and have been studied for long time. Efforts are continuously made to correlate these properties to more fundamental parameters in order to effectively improve the...

Spring 2014

Guest, Stuart Dan

Seven Ni-WC tubular wires utilized in this study were characterized by the nickel sheath area, powder composition, and overall initial carbide volume fraction of the wire prior to welding. The electrical resistivity of steel, stainless steel, and Ni-WC welding consumables were measured from...

Spring 2024

Palimi, Mohammadjavad

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...

Fall 2016

Ashrafizadeh, Sayed Hossein

Polyurethane has excellent wear resistance and is an effective protective liner against erosion caused by the impact of solid particles. However, similar to most polymeric materials, polyurethane has low thermal and electrical conductivity, and this limits its applicability for use in...

Spring 2019

Jiang, Chunyan

This project investigated the abrasive wear problem that commonly occurs in slurry pump impellers. The manufacturers’ stock impellers were replaced by samples with the same geometry and fabricated using rapid manufacturing technology (3D printing technology). Soft materials which are often used...

Spring 2012

PAN, Yang

In this study, pseudo-elastic TiNi alloy was added as a second phase to the Co matrix of WC-Co composite, which has found many applications in forms of coating, hardfacing overlay and bulk against wear. It was demonstrated that the added TiNi phase markedly enhanced the wear resistance of...