Case-harden
1case-harden — caseˈ harden transitive verb 1. To harden on the surface, as by carbonizing iron (metallurgy) 2. To make callous or insensitive through previous experience • • • Main Entry: ↑case …
2case harden — verb Etymology: case (II) (covering) + harden transitive verb 1. : to harden (a ferrous alloy) so that the surface layer is made considerably harder than the interior (as by carburizing and quenching, cyaniding, carbonitriding, or nitriding) …
3case-harden — transitive verb Date: 1677 1. to harden (a ferrous alloy) so that the surface layer is harder than the interior 2. to make callous or insensible • case hardened adjective …
4case-harden — verb 1》 harden the surface of (a material). 2》 [as adjective case hardened] made callous or tough by experience …
5case-harden — /keɪs ˈhadn/ (say kays hahdn) verb (t) 1. Metallurgy to make hard the outside surface of alloys having an iron base, leaving the interior tough and ductile by carburising, cyanide hardening, or nitriding and suitable heat treatment. 2. to harden… …
6case harden — verb To impart greater hardness to the surface of a piece of metal …
7Case-harden — Повышать прочность (напр. стального штампа после длительного пользования) …
8case harden — The action of hardening the surface of steel …
9Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question …
10harden — [v1] make or become solid amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, cement, close, clot, coagulate, compact, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix, fortify, fossilize, freeze, gird,… …
