quenched
31metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
32steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
33quench — verb Etymology: Middle English, from Old English cwencan; akin to Old English cwincan to vanish, Old Frisian quinka Date: 12th century transitive verb 1. a. put out, extinguish b. to put out the light or fire of < quench glowing coals with water… …
34Visbreaker — A visbreaker is a processing unit in oil refinery whose purpose is to reduce the quantity of residual oil produced in the distillation of crude oil and to increase the yield of more valuable middle distillates (heating oil and diesel) by the… …
35Case 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 …
36Tempering — For other uses, see Temper (disambiguation). Tempered steel. The various colors produced indicate the temperature to which the steel was heated. Light straw indicates 204 °C (399 °F) and light blue indicates 337 °C (639 °F) …
37Hardenability — The hardenability of a metal alloy is its capability to be hardened by heat treatment. It should not be confused with hardness, which is a measure of the material s resistance to indentation or scratching. It is an important property for welding …
38Defenders (Ireland) — The Defenders (Irish: Cosantóirí) were a militant, vigilante agrarian secret society in 18th century Ireland, mainly Roman Catholic and from Ulster, who allied with the United Irishmen but did little during the rebellion of 1798. Contents 1… …
39Induction hardening — is a form of heat treatment in which a metal part is heated by induction heating and then quenched. The quenched metal undergoes a martensitic transformation, increasing the hardness and brittleness of the part. Induction hardening is used to… …
40Magnetochemistry — is concerned with the magnetic properties of chemical compounds. Magnetic properties arise from the spin and orbital angular momentum of the electrons contained in a compound. Compounds are diamagnetic when they contain no unpaired electrons.… …
