Friction and wear behaviour of metal oxide coatings subject to environmental variations

Metallic materials have been used in various applications such as gas sensors, space lubrication, and power transmission. Under different environmental conditions, materials can have vastly different friction properties. Understanding the wear and friction properties of materials is imperative for determining suitable materials for different applications, although oftentimes poses a challenge. Recently, the Colas Group developed […]

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CRIAQ MANU-604 : Additive Manufacturing

Bombardier Aerospace, Bell Helicopter Textron Canada Limited and Pratt & Whitney Canada have all initiated projects on Additive Manufacturing processes. Although applications are different, all companies are facing the same challenges including the lack of a mature certification path and a mature Canadian supply chain. In order to accelerate the maturation of this technology, we […]

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Development in the fabrication of oxide nanowires used in biosensors

Detection and quantification of biological species are critical to many areas of healthcare and life science, either intending to diagnose diseases or discover and screen new medicine molecules. Central to detection are the biosensors that generate a signal associated with the selective recognition of a species of interest. Nanostructures, such as oxide nanowires with large […]

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A trajectory optimization-based framework for cooperative multi-robot object transportation

The proposed project on cooperative multi-robot systems addresses one of the recognized major challenges and opportunities in collaborative robotics (Cobots). For multi-robot groups, optimizing transportation efficiency for the workpiece while at the same time achieving whole-body obstacle avoidance in a cluttered manufacturing environment is highly involved due to the physical coupling of the system between […]

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ELSTec : Efficient lightweight structures made by automated fiber placement (AFP) of thermoplastic composites

This project deals with the continuation of a project at Concordia University in 2020 via Mitacs Globalink research award. The project investigated different manufacturing scenarios of a thermoplastic skin/grind structure using automated fiber placement (AFP) in the Concordia Center for Composites labs. The thermoplastic skin/grin structure was successfully fabricated via AFP in-situ consolidation. Now, this […]

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Alternative approaches to curing flip chip underfill encapsulants

The volume of data being transmitted (streaming, blockchain, machine learning, etc.) continues to increase exponentially. To carry this data, the traditional metallic transmission systems (typically copper) are being replaced with light-based (photonic) medium to reduce both the space and power consumption. This implies integrating photonic/optical components within the microelectronics infrastructure for electrical to optical conversion […]

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Cold Spray Additive Manufacturing of a Ti-Zr-Ni shape memory alloy for future large deployable aerospace components.

Shape Memory Alloys (SMA) are smart materials capable of recovering large inelastic strains. SMA are therefore excellent candidates for applications where deformation needs to be controlled remotely. One of the main challenges holding back a wider acceptance of SMA is their poor workability leading to high tool wear when manufactured by machining. Additive Manufacturing, also […]

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Hybrid Multifunctional 3D bioprinting systems

Successfully fabricating complex living tissue structures demands carefully designed tissue scaffolds that mimic complex native tissues, which 3D bioprinting aims to achieve by creating 3D mimics of natural tissues. The fabrication of functional 3D tissues is challenging due to the limitation of oxygen and nutrient transport to cells inside the printed scaffold. Among the numerous […]

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Terahertz high-harmonic generation in graphene-metamaterial

Engineering graphene-based devices with exceptional nonlinear optical properties in the terahertz (THz) region play a crucial role in the advancement of THz technologies. We investigate how a metamaterial system consisting of a plasmonic structure enhances THz light-graphene interaction, thus leading to a higher nonlinearity in graphene. A variety of the plasmonic structures will be used […]

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Conception d’une bibliothèque d’outils logiciels permettant la calibration et l’amélioration de la radiométrie des caméras infrarouge

Ce projet consiste en la conception, réalisation et tests d’outils informatiques servant a facilité le travail de recherche et développement de nouvelles méthodes de correction d’images digitales thermiques. Les outils crée par l’étudiant servirons à supporter les opérations d’acquisition de donnée et de calibrations et correction d’images infrarouges dans le but de les rendre visuellement […]

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3D printing of thixotropic hybrid siloxanes for transparent applications

Hard and transparent 3D printing materials are in demand in applications such as durable device passivation and transparent architectures. To replace 3d printable glass or ceramic, which has the disadvantage of undergoing high-temperature post-treatment after printing, the study of hard, transparent, and thermally resistant 3D printing materials will be conducted in this project. To achieve […]

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