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Aerospace ILSS strength formula

  1. Aug 30, 2016 #1
    Hi all

    I'm trying to learn more about the tests i conduct at work.

    i do lots of short beam strength tests, we call them InterLaminar Shear Strength tests (ILSS).

    I have seen 2 different equations used to calculate strength.

    3 * fail load / 4 * width * thickness

    0.75 * fail load / width * thickness

    I feel quite comfortable rearranging these with simple algebra but was looking for a bit deeper understanding about how these were derived and especially why the coefficients are the values they are.

    Thanks in advance
  2. jcsd
  3. Sep 4, 2016 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
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