Amir Mahdavi Email & Phone Number

Mirabel, Quebec, Canada

Product change management of A220 aircrafts

Montreal, Quebec, Canada

Project Title: Diagnostics of Supersonic In-Flight Micron-Sized Particles • Designed and implemented experimental setups to record the temperature, velocity, and size of micro-scale metal alloy particles traveling in a supersonic thermal spray flame jet to understand the effect of their thermal and dynamic behavior on the oxidation level of the particles in flight by collecting data using particle diagnostic sensors (DPV, AccuraSpray, infrared camera);• Modified and improved the accuracy of the collected data by implementing band-pass filters at long infrared wavelengths for cold particles;• Processing the recorded data by developing a mathematical model based on Plank's radiation law to analyze and extract the particle temperature.

Montreal, Quebec, Canada

Project Title: Advanced Processing of MCrAlY Coatings for Aerospace Applications• Managed a project team of +20 professionals from industry (Pratt & Whitney, Tecnar Automation Ltée) and academic institutes (Concordia University, McGill University, University of Toronto);• Led a cross-functional research team to conduct experiments using the High-Velocity Air Fuel (HVAF) thermal spray process to produce and optimize functional coatings; • Coordinated regular stakeholder review meetings, gathered feedback and incorporated it into the project schedule;• Performed quality control with project sponsors and updated the deliverables;• Optimized and validated the microstructure of the functional coatings as requested and defined in the proposal.

Edmonton, Canada Area

Project Title: Numerical and Experimental Assessment of Failure Mechanisms of Wear-Resistant Metal Matrix Composite Coatings (Nickel - Tungsten Carbide) for Oil & Gas Application• Modeled 3D geometries for metal matrix composite (MMC) by using DIGIMAT software;• Predicted wear rate of thermally-spared metal-ceramic coatings using a finite element model in ABAQUS;• Investigated microstructure of experimentally-fabricated metal-ceramic coatings by using scanning electron microscopy (SEM) and electron backscatter diffraction (EBSD) to validate the numerical model;• Delivered two technical reports to InnoTech Alberta.

Edmonton, Canada

Project Title: Mathematical, Experimental, and Numerical Determination of Temperature Distribution at Coating-Substrate Interface during Thermal and Cold Spraying Processes• Developed a hybrid heat transfer model based on the classical diffusion and hyperbolic (non-Fourier) approaches to predict the transient thermal evolution in the substrate prior to and during coating buildup;• Evaluated the convective heat transfer coefficient between cold spray supersonic air-jet and substrate by developing a mathematical model in MATLAB ;• Conducted hands-on experiment of cold spray process and validated the model;• Published 6 peer-reviewed journal and conference papers and presented at 5 international conferences.

Prague, The Czech Republic

Project Title: Thermal and Structural Analysis of Plasma-Sprayed Carbide-based Metal Matrix Composite• Drafted project proposal for a six-month multidisciplinary project with a budget of ~$30,000;• Planned the schedule, project baseline, and requirement based on the resources of two non-colocated research institutes; • Executed and managed project by designing experiments for the fabrication of carbide-based metal matrix composite coatings by using water-stabilized hybrid plasma spraying and radio-frequency plasma spraying techniques;• Performed microstructural study of the effect of metal matrix material (Ni, NiCr, NiSiFeB), reinforcing particle size and shape of reinforcing particles (WC), and spray parameters (SOD, feeding distance and rate, and plasma torch power) on the mechanical and wear properties of plasma-sprayed MMC coatings;• Evaluated the wear rate of plasma-sprayed MMC coatings using the solid particle erosion test (ASTM G76);• Closed the project, delivered a technical report, and presented the project outcome to the Institute of Plasma Physics of the Czech Academy of Sciences.

Quebec, Canada

Project Title: Numerical Simulation of Transient Coating Build-up during Cold Spraying Deposition Process • Drafted a proposal and work plan for a collaborative project for a three-month internship;• Managed and executed the project by developing a numerical finite element model in ABAQUS to analyze transient coating buildup during the cold spray deposition process;• Predicted the temperature distribution and thermal evolution during supersonic particle impact;• Closed the project, presented two progress updates, and drafted the final report to NRC-CNRC;• Published a conference paper based on the results at the International Thermal Spray Conference (ITSC 2018) in Yokohama, Japan.

Shiraz, Iran

Project Title: Evaluation of Cooling Performance of Ultra-Fine Water Mist Systems in Enclosures• Developed FORTRAN code to evaluate the evaporative behavior of single water and fuel (n-heptane) droplets;• Modeled the dynamic and thermal behavior of full-cone and hollow-cone water and fuel spray;• Improved the cooling efficiency of water mist systems by 11% in enclosures.• Published two peer-reviewed journal papers and two conference papers.

Doctor Of Philosophy (Ph.D.), Mechanical Engineering

Thermal and Dynamic Behaviour of Cold and Thermal Spray Processes

Master’S Degree, Mechanical Engineering

Cooling Perfomance Evaluation of Ultra Fine Water Mist System in Enclosures

Bachelor’S Degree, Mechanical Engineering

Numerical Investigation of Natural Convection within Air-Filled Tilted Enclosures