Senior Design Projects 2009-10

Biodegradable Stent Simulation

Biodegradable Stent Simulation

Team Members

Jake Edick and Nikki Long, Materials Science and Engineering; Donisha Das, Justine Farina, Dan Pierson, and Jonathon Zuidema, Biomedical Engineering

Advisors

Dr. Jarek Drelich, Materials Science and Engineering, and Dr. Jeremy Goldman, Biomedical Engineering

Sponsor

Boston Scientific Corporation

Project Overview

Our goal is to develop a test method that will accurately simulate the degradation of metal alloys in a biological system.

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Carbon Dioxide Sequestration from Steelmaking Exhaust

Carbon Dioxide Sequestration from Steelmaking Exhaust

Team Members

Ken Brooks, Brett Anderson, Ben Hutton, Jason Sallgren, Reuben Robie, Steve Klimowicz, and Nate Wilkie, Materials Science and Engineering

Advisor

Dr. Stephen Hackney

Sponsor

ArcelorMittal

Project Overview

Our project involves the pursuit of cleaning ArcelorMittal’s steelmaking exhaust of carbon dioxide via mineralization using waste-pickling acid.

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Quenching of Strip Steel

Quenching of Strip Steel

Team Members

Donald Wagle and Nick Johnson, Materials Science and Engineering

Advisors

Dr. Paul Sanders and Dr. Mark Plichta

Sponsor

ArcelorMittal

Project Overview

The rapid quenching of strip steel with dimensions of 1067mm (42") wide by 1mm thick is performed to create a dual-phase microstructure. Due to the dimensions of the strip, the stresses induced by the microstructural transformation distort the sheet during quenching, which must be performed in a manner that prevents this distortion. A pilot scale apparatus is to be designed and created for ease of research and testing of ArcelorMittal’s full-scale annealing and quenching line. Research is also being done to determine if the distribution of the different microstructures is uniform through the steel strip.

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Affecting Factors of Machinability Variance in Ductile Iron

Affecting Factors of Machinability Variance in Ductile Iron

Team Members

Andrew Dickey, Nick Gast, and Thomas McDonough, Materials Science and Engineering; Ryan Heins, Mechanical Engineering

Advisors

Dr. Jiann-Yang Hwang, Dr. Mark Plichta, and Dr. Paul Sanders

Sponsor

Kohler Engines

Project Overview

The design team is investigating factors that influence machinability variation in ductile iron crankshafts. The primary objective is to obtain information relevant to the source of machining variation. Conclusive results may lead to a refinement to the specification, which will tighten machining variance. A secondary objective addresses the room temperature aging phenomenon occurring within the first two weeks of casting and its influence on machining. In addition, the method to quantify machinability, developed by last year’s team, has been analyzed for improvement.

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Machinability and Heat Treatment of AerMet 100

Machinability and Heat Treatment of AerMet 100

Team Members

Dan Komar, Carey Lutheran, Jacob Marciniak, Scott Nelson, and Ryan Toll, Materials Science and Engineering

Advisor

Dr. Calvin White

Sponsor

Goodrich Landing Gear Corporation

Project Overview

This project deals with the maximization of the machinability of the steel, AerMet 100, through heat-treatment recipes of varying time and temperature.

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Defects in Zinc Die Casting

Defects in Zinc Die Casting

Team Members

Jessica Reibel, Kamonwad Yangyuenthanasan and Emily Durham, Materials Science and Engineering; Ellison Lenz, Mechanical Engineering Technology; and Charles Hansen, Mechanical Engineering

Advisors

Dr. Mark R. Plichta and Dr. Douglas J. Swenson

Sponsor

Eastern Alloys

Project Overview

By finding correlations between defects and process parameters of die casting, a troubleshooting guide has been made for cold shuts and porosity defects. This will allow Eastern Alloys to quickly asses their clients’ problems and allow better customer service.

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