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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/7845
Title: Internal Friction in Hydrogen Charged Aluminum Alloys
Authors: Léger, Marc
Advisor: Piercy, G.R.
Department: Materials Science
Keywords: Materials Science and Engineering;Materials Science and Engineering
Publication Date: Aug-1976
Abstract: <p>Measurements of the internal, friction of several aluminum alloys were made over the temperature range from 80 to 300 K using the two component resonator technique. The technique was improved, by using a metallic bond between the two components, so that measurements in the Qˉ¹ ≃ 10ˉ⁶ range could be made at three frequencies. Preliminary experiments using quartz crystals as specimens were performed in order to check the properties of the metallic joint. A method of checking the bond, by measuring the resonator properties at about half the fundamental frequency of the quartz transducer alone, was developed.</p> <p>Comparisons of the internal friction spectra of hydrogen charged samples with spectra of vacuum annealed samples were used, in conjunction with a simple model of the distribution of hydrogen, to determine upper limits on the binding energy between hydrogen and substitutional solutes in the aluminum matrix.</p>
URI: http://hdl.handle.net/11375/7845
Identifier: opendissertations/3098
4114
1440826
Appears in Collections:Open Access Dissertations and Theses

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