Microstructures
by George Langford, Sc.D., Massachusetts Institute of Technology, Cambridge, MA, 1966
Copyright©
2005 by George Langford
Unknowns - Set 1 - Fifth specimen - M.I.T.'s #260
Cast iron at 200X etched
This is another example of grey cast iron.  What is different or unusual about this one ? 

My photomicrograph at left was made at 100X.

Be sure to list all the microconstituents, and to take special note of their arrangement and sequence of formation.

Write out your answer; complete all or part of the set; and then apply for a Username & Password so you can activate the link at the bottom of this page.

Go on to your analysis of Specimen 6.




























Answer: Follow this link.