Originally Posted By: ClapperZapper
...."Can patterned oxides (and other films) be created at the surface of a previously case hardened part, without the carbon atoms beneath the film migrating out?"....


I wonder if the carbon left at all. I thought the environment in the pack, to create the colors, is carbon (CO?) rich and blocks oxygen. You'd think the surface might pick up a tad more carbon if colors show up.

Last edited by craigd; 06/01/13 01:02 PM. Reason: typo