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Concentration analysis

  1. Nov 1, 2011 #1

    I am working on Al-17Si alloys. I have done some castings and in micro-structure I saw formation of Aluminium dendrites. I am unable to find out whether it is primary Al or eutectic Al. One way to find that is to find out Percentage of Si in the dendrites. But how do I do that?
    Is there any other way to differentiate? Thanks in advance for any suggestions.
  2. jcsd
  3. Nov 12, 2011 #2


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    Put it into the electron microscope that can do EDX. Look at the Xrays.
  4. Nov 12, 2011 #3
    Thank you it was really useful
    looking to do edx at iisc
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