The goal of the proposed research project is to perform an in-depth analysis of shape memory alloys through thermal and mechanical testing. This analysis will be used to develop new mathematical models to better predict the performance of the shape memory alloys after they have undergone a manufacturing process that is unique to the partner company. The benefit to the partner company is the usage of these models, which will allow for the design and manufacturing of more reliable and customizable shape memory devices for use in many industries, including biomedical and automobile.
Zr-2.5Nb pressure tubes used in CANDU reactors are susceptible to hydride cracking-induced crack initiation mechanisms, a.k.a delayed hydride cracking or DHC and overload crack initiation. For the integrity assessment of CANDU pressure tubes, it is required to evaluate the likelihood of DHC and overload crack initiation from serviceinduced flaws and to determine whether the pressure tubes are still fit for continued service. The main focus of this proposal is to evaluate the effect of in-situ flux effect on the structure and fracture properties of zirconium hydrides.
Corrosion of electric power transmission and distribution (T&D) lines is a primary cause of in-service equipment degradation. This project aims at analysis, design, and implementation of efficient methods to mitigate the corrosion at T&D infrastructure assets to significantly improve the life span of aging structures, and to develop an accurate design tool for future developments.
The proposed internship aims to study how the characteristics and reliability of Permanent Magnet Electric Motors (PMs) affect their life-cycle cost (LCC), including initial, maintenance, and energy costs. First, the effect of the variation of design variables on the performance and initial cost of PMs will be assessed and the cost will be correlated to performance. Second, the effect of materials and processes on the reliability and the LCC of PMs will be studied and LCC will be correlated to reliability. The results will be presented to TM4 in form of a detailed database.
Deicing is a complex process involving many actors including pilots, air traffic controllers and the deicing crew. In this context, communication mistakes can easily happen but can also have terrible consequences. The goal of the research project is to identify high risk areas of communication for aircraft ground deicing. Analyze of the voice interaction between the different actors involved with conversation analysis will be the starting point. After identifying problems in the communication process, the research will propose an improved approach to communication.
The main objective of this project is to investigate the performance of LiN-cryogenic technologY, as well as, high pressure cooling (HPC) in turning of hard-to-cut aerospace materials. The performance of cryogenic machining and HPC will be compared to flood coolant to establish the optimum conditions for each cooling technique, in terms of material removal rate, tool life, and surface integrity (surface finish, microstructure and residual stresses).
Le changement de comportement dynamique des machines tournantes (ponts roulants, éoliennes, robots) en fonction de la vitesse et de la charge se confond facilement avec un changement d’état de l’équipement, ce qui déclenche souvent de fausses alarmes sur des machines saines. De plus, la plupart de ces machines opèrent à très basses vitesses, ce qui cause des problèmes sur la sélection de capteurs efficaces et sur les normes inexistantes dans ce genre d’application.
The only commercially available technology that directly uses thermal energy to produce cooling is absorption chillers, which are not economical for small-medium scale buildings (<100,000 sq.ft.) and suffer from serious performance
limitations. May-Ruben Thermal Solutions (MRTS) is developing a novel Binary Fluid Ejector (BFE) that will provide a high-performance, economic, scalable, thermally-driven heat pump and refrigeration cycle. Early applications include
Vision Extrusions Group Ltd. is a recognized leader in the building products industry. They produce a wide range of products (as shown in Figure 1) including windows, doors, decks, fences, etc. utilizing extruded polymeric profiles as a substitute for wood. In the proposed project, the following objectives have been set by the partner organization to improve the quality and reduce the cost of their products:
The goal of this project is to develop a novel titanium carbide grain refiner for improving the strength of the lightweight aluminum 319 alloy. Enhanced use of lightweight alloys in automobiles, currently limited because of their strength, can enable auto industry to manufacture lighter and more fuel efficient vehicles. Titanium carbide, due to its ability to modify the structure of the casting during solidification, can significantly improve the strength of the 319 alloy. However the main challenge is to control the Ti:C ratio in the melt for effective modification.