I think the only difference between carburizing and carbon correction is the fact that the latter can also be used to reduce the surface carbon content, whereas both can be used to enrich the surface (carburizing/carbirization = Aufkohlen).
I think the only difference between carburizing and carbon correction is the fact that the latter can also be used to reduce the surface carbon content, whereas both can be used to enrich the surface (carburizing/carbirization = Aufkohlen).