1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Corrosion of STEEL

  1. Jul 29, 2006 #1
    Say is a piece of steel is placed in still water and is corroding. Why will the corrosion rate drop away after time??

    Is it because the system reaches some sort of equlibrium??
     
  2. jcsd
  3. Jul 29, 2006 #2
    thats ment to say : "Say if a piece of steel........" NOT " Say is a piece..."
     
  4. Jul 29, 2006 #3
    I believe the layer of corrosion protects it. Corrosion rates are higher in moving water because the corrosion covering is always being washed away.
     
  5. Jul 29, 2006 #4
    that makes sense...... what you are saying is the oxide around the steel (rust) slows down the corossion rate
     
  6. Jul 29, 2006 #5

    Hootenanny

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    That is correct. This is the theory behind anodising aluminium (although aluminum oxide also exhibits excellent thermal insulation properties)
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Corrosion of STEEL
  1. Steel rope (Replies: 8)

  2. Steel bar (Replies: 2)

  3. About steel (Replies: 5)

Loading...