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Homework Help: Schmid Tensor / Resolved Shear Stress question

  1. Feb 24, 2016 #1
    1. The problem statement, all variables and given/known data
    Calculate the magnitude of the resolved shear stress on the ## (112)## plane in the ##[11\bar{1}] ##direction in a bcc crystal.

    2. Relevant equations
    Tried to use:
    t^{\alpha} = \frac{1}{2} \sigma_{ij} (m_{i} n_{j} + m_{i} n_{j})

    where m is the direction and n is the plane.

    3. The attempt at a solution
    t^{\alpha} = \frac{1}{2} \left( \begin{array} (10 & -5 & 0 \\ -5 & 20 & 10 \\ 0 & 10 & 30 \end{array} \right ) \left( \begin{array} (-6 & 6 & 0 \end{array} \right ) = \left( \begin{array} (-90 & 150 & 60 \end{array} \right )

    This does not sit right with me and I am not sure that I fully understand what is going on here. Can anyone help me figure out what I did wrong?
  2. jcsd
  3. Feb 29, 2016 #2
    Thanks for the post! 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?
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