Project Type MQP Submission date 2012-04-26 Authors Nicolas James Allen, ME Jeffrey D Laun, ME URN E-project-042612-123457 Title Roughness and Reflectivity of Mass Finished 6061 T6 Al Surfaces Advisor Brown, Christopher A., ME Availability unrestricted
The objective of this Major Qualifying Project is to study surfaces produced by mass finishing. To better understand the basic mechanisms we have determined the normal forces between a surface and a sample mass finishing media by measuring scratch depths from brief mass finishing times on polished surfaces, testing the micro-hardness of the surface, and measuring the shape of the abrasive particles in the media. We also studied how the surface produced by mass finishing effects the shininess of the surface. In particular scale-sensitive fractal analysis allowed us to identify the scales at which the surface roughness and surface reflectivity correlate the best. The results of this work should support product and process design for mass finishing.
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