Color has historically seen limited use in metallography,
mainly due to the cost of film and prints and the difficulty and cost of reproducing
images in publications. With the growth of digital imaging, however, capturing
color images is much simpler and cheaper.
Check out the January 2016 issue of Industrial Heating, which includes a cover story on case hardening, as well as articles on using failure analysis to discover and mitigate crack propagation, applications and properties of vacuum oil quenching, and much more.