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  1. jscheel15

    %Cold Worked 304SS

    Ed, I have done some accelerated electrochemical corrosion investigations (mainly w/ 7000 series Al)with regard to post machining surface enhancement and the effect on the polarization curve. The tests are very quick and allow an in depth analysis of the DC polarization curve. I have not...
  2. jscheel15

    %Cold Worked 304SS

    Thanks to all for the help, Metengr the link was a big help. FYI I am aware of existing work on this subject, my investigation is quite a bit more complicated than I mentioned above, however, I am not at liberty to discuss specifics. Suffice to say there is a reason I need cold worked 1/2" thick...
  3. jscheel15

    %Cold Worked 304SS

    I am trying (with no success) to locate some 304SS plate in several different conditions of cold working i.e. 0% (annealed)10% CW, 20% CW etc. Does anyone know of a supplier that carriers 304SS plate (1/2" thick) in varying conditions of cold working (rolling). I am trying to investigate...
  4. jscheel15

    phase analysis of a single turbofan blade

    Anyone, I need to determine/ ineterpret phase information on a single turbofan blade in both the free and constrained state using spectra plus signal analyzer. I do not have a shaker table or stingers and am wondering if it is possible to record two seperate signals at two different times in...
  5. jscheel15

    Comparing Vibration Data (Turbofan Blades)

    I am performing Impact vibration tests on turbofan blades and when comparing data the peaks are in the appropriate areas as predetermined with FEA analysis but the breadth of these peaks differs with different blades. I know this is due to damping but am having problems trying to figure out why...

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