Spring, 20th March 2010, Pohang. Photograph courtesy of Professor Dong Woo Suh
Beautiful micrograph of martensite, Fe-1C-1.2Mn-2.5Ni-1.8Cr wt%, air cooled 40 mm diameter bars
Some beauty is appreciated in black and white
This one without a magnification, for use in abstract art, courtesy of Thomas Sourmail
