Ultrasound Lab 23APR08 - Ultrasound Test 23APR08 First...

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Ultrasound Test 23APR08 First Author: Rondolf J. Moreno Secondary Authors: Alex Jagnanan James Eski Nolan
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Abstract In this experiment, non destructive ultrasonic testing was used to find flaws in a metal specimen. This non destructive method made it possible to find flaws buried deep in the metal specimen. A procedure similar to this would be useful to engineers who have to evaluate structures and machinery after use by allowing them to check for internal failures, which preventative measures can be applied. During the lab procedure an ultrasound unit was used find flaws in the metal sample. Oil was applied to the metal surface and the entire sample was carefully scanned to find defects in it. Before using the machine a calibration had to be done in order to prepare the machine to scan a specific material type. A test run was done on a clear plexiglass material before running the actual experiment on an aluminum sample. ***************add summary what was found*******************
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Table of Contents ABSTRACT ............................................................................................................ 2 TABLE OF CONTENTS ......................................................................................... 3 INTRODUCTION ..................................................................................................... 4 METHODS .............................................................................................................. 4 Equipment ....................................................................................................................................................... 4 Procedure ......................................................................................................................................................... 4 DISCUSSION .......................................................................................................... 5 CONCLUSIONS ...................................................................................................... 5
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Introduction Our purpose of this lab is to use non-destructive ultrasonic testing to find flaws in our metal specimen. We used an ultrasonic unit to scan the surface of a specimen that had been oiled by us. Ultrasound is a cyclic sound pressure with a high frequency. This frequency is higher than human hearing; it is approximately twenty thousand hertz.
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