Method of testing
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Jul 15, 2015
filing date -
Aug 14, 2014
priority date (Note) -
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Abstract
The present invention provides processes by which fatigue testing can be carried out by altering the vibrational characteristics of a component, but without physically altering the component itself. In particular the invention provides a method of performing high-cycle fatigue testing on a component, the method including the steps of: attaching one or more masses to the component to alter the stress distribution of the component under vibration; and carrying out high-cycle fatigue testing by exciting the component at a low fundamental frequency of the component. The component can then be tested at a low frequency, which is easier to excite, but fail in a position of the component characteristic of a more complex modeshape.
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