after hardening

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• Hardening — 1. A term used to describe a price of commodity or futures contracts that is gradually stabilizing. 2. A futures market that is slowly advancing in prices. 1. After a rise or fall in prices, a slow return to historically accepted levels is… …   Investment dictionary

• Work hardening — Work hardening, also known as strain hardening or cold working, is the strengthening of a metal by plastic deformation. This strengthening occurs because of dislocation movements within the crystal structure of the material.[1] Any material with… …   Wikipedia

• Case 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 …   Wikipedia

• Induction 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… …   Wikipedia

• Precipitation hardening — Precipitation hardening, also called age hardening, is a heat treatment technique used to increase the yield strength of malleable materials, including most structural alloys of aluminium, magnesium, nickel and titanium, and some stainless steels …   Wikipedia

• Case hardening of rocks — Case hardening is a weathering phenomenon of rock surface induratoin. It is observed commonly in: felsic alkaline rocks, such as nepheline syenite, phonolite and trachyte; pyroclastic rocks, as pyroclastic flow deposit, fine air fall deposits and …   Wikipedia

• self-hardening — (ˈ) ̷ ̷| ̷ ̷( ̷ ̷) ̷ ̷ adjective : hardening by itself self hardening clay * * * self hardened, adj. /self hahr dn ing, self /, adj. noting or pertaining to any of various steels that harden after heating without quenching or other treatment.… …   Useful english dictionary

• Chernobyl after the disaster — Main article: Chernobyl disaster The Chernobyl disaster, (Ukrainian: Чорнобильська катастрофа) Chornobylʹsʹka katastrofa, was a nuclear accident that occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist …   Wikipedia

• self-hardening — [self′härd′ n iŋ] adj. designating or of any steel that will harden if air cooled after being heated above red heat …   English World dictionary

• bench hardening — noun : the hardening of wire by drawing after annealing …   Useful english dictionary

• self-hardening — self hardened, adj. /self hahr dn ing, self /, adj. noting or pertaining to any of various steels that harden after heating without quenching or other treatment. [1900 05] * * * …   Universalium