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Help: The thermal expansion coefficient of spring.

  1. Apr 28, 2010 #1
    Hi, everyone.
    I am just curious about the following question:
    Does the thermal expansion coefficient of a spring be the same as a slab with the same material?
    Thanks very much.
     
  2. jcsd
  3. Apr 29, 2010 #2

    Mapes

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    Hi leo.yl.zhang, welcome to PF. The thermal expansion coefficient is a material property, so it's independent of sample size and geometry. Does this answer your question?
     
  4. Apr 29, 2010 #3
    Yeah, thank you Mapes.
    Here is another question:
    If the lengths of a spring and a slab with the same material are equal at teperature T1, when the temperature changes to T2, the lengths still are equal. Is that correct?
     
  5. Apr 29, 2010 #4

    Mapes

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    As long as they're unconstrained, yes.
     
  6. Apr 29, 2010 #5
    Got it.
    Thanks a billion.
     
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