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    COPPER CORROSION IN THE FLOWERS OF SULFER TEST ENVIRONMENT

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    No. of downloads: 1106

    Date
    2015
    Author
    Mahadeo, Dinesh Michael
    Advisor
    Pecht, Michael G
    DRUM DOI
    https://doi.org/10.13016/M28339
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    Abstract
    Sulfur, present in the environment in the form of sulfur dioxide and hydrogen sulfide, can produce failure in electronics. In particular, copper, which is used extensively in electronic products, is subject to corrosion in the presence of sulfur. This thesis examines the corrosion of copper under the Flowers of Sulfur (FoS) test at varying temperatures and durations. The FoS test setup, described in ASTM B809, was initially designed to evaluate surface finish porosity, but this setup may have boarder application. To expand the applicability of the FoS test, it is important to characterize the test environment. To this end, a systematic study of copper corrosion was conducted through weight gain measurements of copper coupons that were subjected to FoS test environments. From the test results, a model was developed that correlates copper sulfide thickness to temperature and time under the FoS test. This model can be used to determine test conditions given a target field environment.
    URI
    http://hdl.handle.net/1903/16478
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    • Mechanical Engineering Theses and Dissertations
    • UMD Theses and Dissertations

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