metal hardening

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• 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

• Metal injection molding — (MIM) is a metalworking process where finely powdered metal is mixed with a measured amount of binder material to comprise a feedstock capable of being handled by plastic processing equipment through a process known as injection mold forming. The …   Wikipedia

• 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

• 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

• Diffusion hardening — Schematic cutaway view of a diffusion hardened metal gear Diffusion hardening is a process used in manufacturing that increases the hardness of steels. In diffusion hardening, diffusion occurs between a steel with a low carbon content and a… …   Wikipedia

• Differential hardening — is a method used in forging swords and knives to increase the hardness of the edge without making the whole blade brittle. To achieve this, the edge is cooled more rapidly than the spine by adding a heat insulator to the spine before quenching.… …   Wikipedia

• strain hardening — noun A process by which metal is deformed in order to increase its hardness • • • Main Entry: ↑strain * * * strain hardening, Physics. the hardening of metals or alloys by a change in structure due to strain or deformation: »Strain hardening… …   Useful english dictionary

• 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

• 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