1. case hardening - Noun
2. case hardening - Verb
case hardening
present participle of case harden
case hardening (uncountable)
(metallurgy) The process of imparting greater hardness to the surface of a piece of metal.
case-hardening
Alternative spelling of case hardening
case-hardening
Copper-plated areas of mild steel act as a mask if case hardening of such areas are not desired. Source: Internet
The finished counterpunch is hardened by heating and quenching ( tempering ), or exposure to a cyanide solution ( case hardening ). Source: Internet