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- Thesis; University of North Florida; UNF; Dissertations; Academic -- UNF -- Master of Science in Mechanical Engineering; Academic -- UNF -- Engineering; Walkway Safety; Coefficient of Friction; Tribometer; slip and fall; Walking -- Equipment and supplies -- Testing; Walking -- Safety measures (1)
- Thesis; University of North Florida; UNF; Dissertations; Academic -- UNF -- Master of Science in Mechanical Engineering; Dissertations; Academic -- UNF -- Engineering; Corrosion; Fatigue; Aluminum Alloy 6061-T6 (1)
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Full-Text Articles in Engineering
The Effect Of Surface Corrosion Damage On The Fatigue Life Of Extruded Aluminum Alloy 6061-T6, Matthew Weber
The Effect Of Surface Corrosion Damage On The Fatigue Life Of Extruded Aluminum Alloy 6061-T6, Matthew Weber
UNF Graduate Theses and Dissertations
Aluminum alloy 6061-T6 is a common engineering material used in aerospace, automotive, structural applications. Despite its wide use, little has been published about the effects of damage from surface corrosion on its fatigue life. An investigation was performed where 6061-T6 extrusions were exposed to a 3.5% NaCl solution at pH 2 for 2 days and 24 days. The length of time and pH were chosen in order to create distinct surface flaws. The effect of these flaws on the fatigue life was then investigated and analyzed using scanning electron microscopy (SEM) and Weibull statistics. It was determined that samples corroded …
A Study Of Walkway Safety And Evaluation Of Tribological Test Equipment, Henry Thomas Baker
A Study Of Walkway Safety And Evaluation Of Tribological Test Equipment, Henry Thomas Baker
UNF Graduate Theses and Dissertations
A walkway tribometer measures the coefficient of friction between flooring material and a test foot. The value of the coefficient of friction is an indicator as to whether the flooring surface is slippery and has a propensity to cause slip and falls. This study determined that one style of tribometer, an XL Tribometer, mimics the heel-to-floor interaction of the human heel strike. High speed video footage revealed that the test foot strikes the surface and rotates so that full engagement occurs before sliding thus mimicking the affect of a human ankle. The test foot accelerates forward as would be expected …