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Theses/Dissertations

2015

Masters Theses

Mechanical Engineering

<p>Manufacturing processes<br />Lasers -- Industrial applications<br />Surfaces (Technology)</p>

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Laser Surface And Sub-Surface Repair During Metal Additive Manufacturing, Prudvi Teja Ravi Jan 2015

Laser Surface And Sub-Surface Repair During Metal Additive Manufacturing, Prudvi Teja Ravi

Masters Theses

"This study examines the use of laser surface treatment to repair surface and subsurface defects. Numerical analysis was performed on laser surface melting using Gaussian heat distribution equations to analyze the depth of the melt pool created by the phenomena. Concurrently, a process map was developed with a planned set of experiments by varying the ranges of laser power and travel speed to determine the dimensions of the melt pool across the gamut. The data generated from both the process studies and the numerical analysis was then used to determine the ideal operating ranges of the process parameters to repair ...