Friday, August 22, 2008

Replica-Q6

There are wide differences in the techniques of in-situ metallography (replication technique) against laboratory metallography. These differences get highlighted when in-situ metallography is actually carried out. Together with your experiences in lectures, laboratory works and industrial training, list down on this issue.

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  • The nature of metal and alloys under investigation,
  • Field conditions,
  • Geometry and location of area intended for in-situ metallography,
  • Purpose of the in- situ metallography,
  • Selection of polishing equipment and method,
  • Selection of etching method,
  • Technique of replication,
  • The details required from the replica,
  • Types of microscopy to be used,
  • Technique of viewing the replica and
  • Interpretation of results.

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