A congratulations to our very own Derek Barnes, as his image was selected in the International 2014 Buehler Microstructure Calendar Content. This image is a 100x magnification of Nodular Cast Iron using polarized light.
Be sure to get your copy of the 2014 Buehler Calendar and check out some of the details at http://www.buehler.com/SumMet_Method_July_2014
Congrats, Derek!

Entry Originally Posted on December 12, 2013