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Finding the shear stress and angle of twist in hollow shaft

  1. Mar 4, 2015 #1
    MODERATOR NOTE: THIS THREAD WAS ORIGINALLY IN ANOTHER FORUM, SO THERE IS NO TEMPLATE.

    I have a hollow shaft made of a titanium alloy, Shear Modulus "G". The shaft has a wall thickness of 3.2mm and an inner diameter of 20mm. The shaft looks as show in the attached image. A torque T of 232 Nmm is applied to the tube. How do I :
    a) Find out the shear stress in both sections of the tube
    b) Find the angle of twist of the entire component? 1425465552016686580234.jpg
     
    Last edited by a moderator: Mar 4, 2015
  2. jcsd
  3. Mar 4, 2015 #2

    SteamKing

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    The attached image says the shaft is made from steel.

    You want to find the shear stress and angle of twist for a similar shaft made on unknown titanium alloy with no specified material properties.

    Exactly how do you expect to make this calculation without more information?
     
  4. Mar 4, 2015 #3
    For this problem, what is the equation for the shear strain on a plane of constant z in the θ direction?

    Chet
     
  5. Mar 4, 2015 #4
    No, the image is for Part 1, Part 2 shown under it is unrelated. The Part 1 question simply states titanium, and expects me to find out what the properties are.
     
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