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  1. jblakes

    Diffusion calculations

    Good afternoon, I'm after about of help with diffusion calculations. I want to calc, 8% of an element to diffuse to 2% overall. Is there anyway to calc this 6% diffusion rate for a set time? I know you can calc using diffusion distances but I don't have that so percentage drop is all I can...
  2. jblakes

    Diffusion time of NB in nickel

    thanks you for your reply, would you be able to give me this figure in cm2/s Ds= 1.0 (+0.87, -0.48) x10^-6 exp (-202.59 (+/- 4.71KJ)mol/RT)m2/s Can this results be put in excel? having never put something this long I have no idea if you can. kind regards James
  3. jblakes

    Diffusion time of NB in nickel

    Evening all, hopefully somebody can help me, this is totally new so struggling, from a paper I have found that NB diffusion coefficient is Ds= 1.0 (+0.87, -0.48) x10^-6 exp (-202.59 (+/- 4.71KJ)mol/RT)m2/s and I want the NB to diffuse 54μm within the nickel. How do I work out the time...

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