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Help needed to re-arrange a formula

  1. May 15, 2008 #1
    1. The problem statement, all variables and given/known data
    I am trying to re-arrange the following formula so I can work out the creep rupture time of a material, using the Larson-Miller parameter (LM)

    2. Relevant equations
    LM = T (C + log tr)

    where : C = constant ( usually of the order of 20 )
    T = the temperature in Kelvin
    tr = rupture time in hours.

    3. The attempt at a solution

    I am struggling with the re-arrangement of the "log" bit. Any help would be very much apppreciated.
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 15, 2008 #2

    Hootenanny

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    Staff Emeritus
    Science Advisor
    Gold Member

    Hi hoola and welcome to PF,

    What is the inverse of a logarithm?
     
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