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APPARATUS AND A METHOD OF DETERMINING THE QUALITY OF A FRICTION WELD

  • US 20120012644A1
  • Filed: 02/04/2011
  • Published: 01/19/2012
  • Est. Priority Date: 02/18/2010
  • Status: Active Grant
First Claim
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1. A method of determining the quality of a friction weld between two components, the method comprising joining two components together using a friction welding process, measuring the loss of length of the components as a function of time during the friction welding process, determining the quality of the friction weld by fitting a curve to the measured loss of length of the components as a function of time over a defined time period, determining the accuracy of fit of the curve to the measured loss of length of the components as a function of time, comparing the accuracy of the fit of the curve to the measured loss of length of the components as a function of time with acceptable values of accuracy to determine if the quality of the friction weld is acceptable.

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