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hardening treatment

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См. также в других словарях:

  • Hardening (disambiguation) — Hardening has several uses:* In computing, hardening is the process of securing a system. This work is especially done to protect systems against hostile environments or attackers. * In metallurgy, hardening is the strengthening of metal alloys… …   Wikipedia

  • hardening — increasing the hardness of steel by heat treatment. This normally implies heating the steel to a required temperature and quenching in a suitable medium, e.g., oil or water. age hardening case hardening cyanide hardening flame hardening induction …   Mechanics glossary

  • Hardening (metallurgy) — In metallurgy, hardening describes techniques to increase the hardness of a material. There are five main hardening mechanisms: * Hall Petch hardening, a hardening that result due to a decrease in grain size. * Cold working, also called strain… …   Wikipedia

  • hardening oil — grūdinimo alyva statusas T sritis chemija apibrėžtis Alyva, naudojama kontroliuojamam įkaitintų metalinių detalių aušinimui. atitikmenys: angl. hardening oil; heat treatment oil; quench oil; quenching oil rus. закалочное масло …   Chemijos terminų aiškinamasis žodynas

  • hardening — /hahr dn ing/, n. 1. a material that hardens another, as an alloy added to iron to make steel. 2. the process of becoming hard or rigid. [1620 30; HARDEN + ING1] * * * In metallurgy, an increase in hardness of a metal induced, deliberately or… …   Universalium

  • Heat treatment — is a method used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment… …   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

  • 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

  • Cryogenic hardening — is a cryogenic heat treating process where the material is cooled to approximately −185 °C (−301 °F), usually using liquid nitrogen. It can have a profound effect on the mechanical properties of certain steels, provided their composition and …   Wikipedia

  • Cryogenic treatment — A cryogenic treatment is the process of treating workpieces to cryogenic temperatures (i.e. below −190 °C (−310 °F)) to remove residual stresses and improve wear resistance on steels. The process has a wide range of applications from… …   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

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