What is another word for case hardening?
Pronunciation: [kˈe͡ɪs hˈɑːdənɪŋ] (IPA) 
There are several synonyms for the term "case hardening". One of them is surface hardening which refers to a type of heat treatment process that is used to make the surface of a material harder than the core of the material. Another synonym is carburizing, which is a heat treatment process that involves the addition of carbon to the surface of the material. This process is used to increase the surface hardness and wear resistance of the material. Nitriding is another synonym that refers to the process of hardening a material's surface by introducing nitrogen. Finally, there is also the term "induction hardening," which is a type of surface hardening process that uses electromagnetic induction to heat the surface of the material to be hardened.
