Last Wednesday, Mohammad Rafiee presented his PhD research seminar, a talk titled “Modeling, processing, fabrication and characterization of carbon nanomaterials-reinforced polymer composites”. Unfortunately, both supervisors were away at conferences and could not attend. However, it was an interesting talk and congrats Mohammad on getting close to finishing your PhD!
Earlier this week, MASc candidate Yousef Badripour presented his thesis seminar. The title of his talk was “Investigation of fraying in textile reinforcements for composites”. Supervisor Dr. Francois Robitaille also graced us with his presence, so I managed to get a photo without having to threaten to photoshop him into the photo. Thanks to both for an interesting seminar!
Yesterday, MASc candidate Justin Perry presented his thesis seminar titled “Pin fin array heat sinks by cold spray additive manufacturing: economics of powder recycling”. Supervisor Dr. Bertrand Jodoin was also present for the talk and the requisite photo. Thanks to Justin (and Dr. Jodoin) for an interesting talk! (And…bonus points because we managed to get Dr. Jodoin to crack a huge smile).
Last Friday, Jack Xu presented his MASc thesis seminar titled “Metallization of Carbon Fibre Reinforced Composites using Cold Spray and GRIP Metal”. Co-supervisor Dr. Francois Robitaille was unfortunately not in attendance but luckily cosupervisor Dr. Bertrand Jodoin was available for the photo-opp. Congrats to both for an interesting piece of work!
To kick off the seminar series for fall 2017, first up was Ramandeep Singh Ghai, who presented his MASc thesis seminar. The title of his talk was “modeling of thermal conductivity of thermal barrier coatings in aero-engines”. There was a great turnout for the first talk. Unfortunately, co-supervisor Dr. Kuiying Chen was unable to attend but we got the obligatory photo. Well done, Raman!
Friday saw a first for our MCG seminar series – we welcomed a student from civil engineering to present. Aynsley Griffin presented has MASc work, titled “Evaluation of corrosion detection methods in reinforced concrete structures”. Supervisor Dr. Beatriz Martin-Perez was present and I introduced her to the MCG tradition of getting her photo taken with her graduate student. Thanks to both Aynsley and Dr. Perez-Martin for participating in our seminar series and its traditions!
Kicking things off in 2017 was Simon Baril-Gosselin who presented his PhD thesis work on “Fabrication of carbon fibre opposites reinforced with carbon nanotubes”. Unfortunately, PhD supervisor Dr. François Robitaille was teaching and unable to attend. However, there was an enthusiastic audience and our grad students were kind enough to supply us with coffee and cookies (because all scientific talks are made better by coffee and cookies.
Last Friday, Catherine Kuforiji presented her PhD thesis work, giving a talk titled “Development of SS316L-AL2O3 composites for wear applications”. Supervisor Dr. Michel Nganbe was present for the seminar. Congratulations to student and supervisor for the (near) completion of this PhD work! Well done, Catherine, we are very proud of you.
After the talk, I had the honour of having my photo taken with Catherine too. 🙂
Rob Shaheen, under the supervision of Dr. Marc Doumit, presented his thesis seminar last Friday. The title of his talk was “Design and material characterization of a nonlinear, hyperelastic tubular soft composite”. Well done, Rob!
Last Friday featured a graduate seminar by my own MASc candidate,Bochun Zhang. Bochun gave a talk titled “Failure Mechanism Analysis and Life Prediction based on Atmospheric Plasma-Sprayed (APS) and Electron Beam-Physical Vapor Deposition (EB-PVD) Thermal Barrier Coatings”. Bochun’s primary supervisor was Dr. Kuiying Chen, from Canada’s National Research Council, and I was the cosupervisor. Unfortunately, Dr. Chen could not attend, but I’m sure he would have been as proud of Bochun as I was! Well done, Bochun.
The first seminar of the semester will be this Friday! MASc CandidateMajid Tanbakuei Kashani will be giving a talk on “Effect of Forming Process on the Deformational Behaviour of Steel Pipes”. The seminar abstract is below.
Date: Friday September 16th
Room: SITE J0106
Buried pipeline networks play a vital role in transportation of oil and natural gas from centers of productions to centers of consumptions. A common manufacturing technique for such pipes is the UOE process, where a flat plate is first formed into a U shape, then in an O shape, welded at the seam, and Expanded before being shipped on site. The UOE forming process induces residual strains in the pipe.
When buried pipelines cross the regions of discontinuous permafrost, they undergo differential frost heaving, inducing significant bending deformations, which potentially induce local buckling in the pipe wall. To control local buckling, design standards impose threshold limits on buckling strains. Such threshold values are primarily based on costly full-scale experimental results. Past nonlinear finite element analysis attempts aiming at determining the threshold buckling strains have neglected the presence of residual stresses induced by UOE forming and were thus found to grossly overestimate the buckling strains compared to those based experiments.
Within the above context, the present study focuses on developing a numeric technique to predict the residual stresses induced in UOE forming, and incorporating the residual stresses in 3D nonlinear FEA modeling to predict improved buckling strain limits. Comparisons against conventional analysis techniques that omit residual stresses reveal the importance of incorporating residual stresses when quantifying buckling strains.
Marina Pushkareva, working for a PhD under the supervision of Dr. Arnaud Weck, presented her PhD thesis seminar last week. The topic was “Void growth and coalescence in commercially pure titanium”. Well done, Marina!