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Ring help

  1. Jan 8, 2008 #1
    hello!
    i am quite new to material engineering and so my question might seem a bit too obvious. her it is:
    i have a metal ring-(picture1(304 stainless steel))
    i need to know what property of the metal defines the ring's resistance to "opening"- like shown in the second picture
    thank you very much
    shay
     

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  3. Jan 9, 2008 #2

    Q_Goest

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    Hi shay'
    Very briefly, there is the intensive property called modulus of elasticity (also called Young's modulus), and the extensive property which is simply the geometry of the ring. The ring can be seen as a curved beam in bending which requires you to determine the modulus and moment of inertia.

    Here's a decent web page that may help:
    http://www.roymech.co.uk/Useful_Tables/Beams/Curved_beams.html
     
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