释义 |
oil hardening
oil hardening n (Metallurgy) a process of hardening high-carbon or alloy steels by heating and cooling in oil. Compare air hardening
oil hardening
oil hardening[′ȯil ‚härd·ən·iŋ] (metallurgy) Quenching of carbon steel in an oil bath; the steel cools slowly, and a more uniform and desirable hardness is attained. |