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Full-Text Articles in Mechanical Engineering
Comparative Study Of The Microstructure And Mechanical Properties Of Mechanically Alloyed And Spark Plasma Sintered Alxcocrfeni (0≤X≤2)High Entropy Alloys, David Mikhail
Undergraduate Research Posters 2018
High entropy alloys are a new class of material systems that have promising potential in high temperature structural applications. Mechanical alloying (MA) has gained special attention as a powerful non-equilibrium process for fabricating amorphous and nanocrystalline materials, whereas spark plasma sintering (SPS) is a unique technique for processing dense and near net shape bulk alloys with homogenous microstructure. This research paper discusses novel mechanically alloyed followed by spark plasma sintering approach for assessing composition-microstructure-microhardness relationship in AlxCoCrFeNi (0≤x≤2) high entropy alloy as a candidate system. With increasing Al content, there was a gradual change from a fcc-based microstructure to a …
Spark Plasma Sintering Of Soft Magnetic Materials, Harnavdeep Kaur, Taban Larimian, Javier Esquivel
Spark Plasma Sintering Of Soft Magnetic Materials, Harnavdeep Kaur, Taban Larimian, Javier Esquivel
Undergraduate Research Posters 2018
Over the past 3 decades, iron-based soft magnetic alloys such as Finemet (Fe73.5Si13.5B9Nb3Cu1 (at%)) have attracted great interest due to their exceptional magnetic properties like high magnetization, low coercivity, and high curie temperature. However, the production of amorphous precursor requires very high cooling rates, and thus only wires, powders, and thin ribbons are achievable, yet these are not suitable in industrial applications where large volume of bulk magnetic components is required. Mechanical alloying (MA) has gained special attention as a powerful non-equilibrium process for fabricating amorphous and nanocrystalline materials, whereas spark plasma sintering (SPS) is a unique technique for processing …
Transcutaneous Electrical Stimulation For The Production Of Functional Motion Of A Human Arm, Kyra Ruby
Transcutaneous Electrical Stimulation For The Production Of Functional Motion Of A Human Arm, Kyra Ruby
Undergraduate Research Posters 2017
Persons with tetraplegia experience little to no function in their arms and are therefore unable to perform reaching tasks without assistance. While functional electrical stimulation (FES) has shown promise for restoring motion to paralyzed limbs, it is limited by issues such as muscle fatigue and atrophy. A control strategy robust enough to overcome these issues has yet to be developed and some motions are not feasible even with the most sophisticated FES control strategy. In theory, a powered exoskeleton could be used in concert with an FES system to increase the accuracy of control and assist the arm when motions …
P2: Construction Of Weather Station For Measuring Wind Using A Hovering Drone Network, Adam Stead, Mark Travis, Rishi Maheshwari
P2: Construction Of Weather Station For Measuring Wind Using A Hovering Drone Network, Adam Stead, Mark Travis, Rishi Maheshwari
Undergraduate Research Posters 2017
Our research aims to build and test the effectiveness of the Sparkfun® Weather Station in its ability to record meaningful data while streaming to a remote device in real-time. This is motivated by our plans to utilize a hovering-drone system to collect meteorological data, such as wind speed, wind direction, humidity, pressure, and temperature. This data is essential to evaluate the wind profiles of a given area and assess available wind resource. The weather station was first calibrated by comparing measurements of the cup anemometer against a standard pitot tube in the lab. We found that the measured wind speed …
P1: Measuring Wind Using A Hovering Drone Network: Met-Masts On The Go, Mohamad Khattab, Hassan Jaroudi
P1: Measuring Wind Using A Hovering Drone Network: Met-Masts On The Go, Mohamad Khattab, Hassan Jaroudi
Undergraduate Research Posters 2017
Renewable energy has grown considerably over the past years, with a projected growth of $460 billion per year by 2030. One of these renewable energies is deploying wind turbines to harvest wind energy. Knowledge of wind speed and direction is critical to determine the appropriate site to place wind turbines. The current method of collecting wind data primarily by installing stationary meteorological towers is expensive and limited, because met masts are fixed once built. This research aims at using a network of hovering drones as a platform to measure wind speed, direction, temperature and humidity at multiple elevations, which could …
Development And Verification Of A Mechanical Loading Device For Microfluidics, Stefan Habean, Erin Tesny
Development And Verification Of A Mechanical Loading Device For Microfluidics, Stefan Habean, Erin Tesny
Undergraduate Research Posters 2017
Establishing the role that mechanics play in nerve cell (e.g. neurons) function requires experimental testing. Microfluidic based experiments are commonly used to study neuron growth and function, and studies have found mechanics to play an important role in neuron health. External loads can be applied to a microfluidic device using a motor, which presumably influences the mechanical environment of the cells. While a motor can easily apply known displacements, a “load cell” is necessary to measure corresponding forces. In an existing prototype microfluidic loading device, a load cell was integrated and verified. The manufacturer's calibration of the load cell was …