work hardening

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work hardening

[′wərk ¦härd·ən·iŋ]
(metallurgy)
Increased hardness accompanying plastic deformation of a metal below the recrystallization temperature range.
References in periodicals archive ?
For the purpose of this discussion, mechanical damage is defined as combinations of dents, gouges, and/or cold work caused by the application of external forces.
Transfer to a lightly floured, cold work surface and roll to 1-inch thick.
The geometric part of the signal results from denting, metal loss, or wall thinning; the magnetic permeability part is due to cold work, plastic deformation, and residual stress.
Cold work involves changing the shape of a metal object by bending, shaping, rolling or forming.
Kim Morgan, Reading, Berkshire What's even more important is having a cold work surface.
The ability to cold work this specialty metal eliminates the costly hot forming process.
Making use of special rollers that cold work the metal surface, the Superoll burnishing tools can burnish the inside or outside diameters of any bored, reamed, or turned workpiece to produce a wear-resistant finish--down to 4 micro-inch or less.
These methods also cold work pipe ends which can produce longitudinal stress risers in the bell as a result of the sledging process.
Uddeholm Vancron 40 is different to the standard PM steels used for cold work applications.
Making use of special rollers that cold work the metal surface, the Sugino line of Superoll burnishing tools can burnish the inside or outside diameters of any bored, reamed, or turned workpiece to produce an extremely fine, wear-resistant finish down to 4 microinch or less.
The Infiniti(TM) weight indicator is engineered to thrive in the extremes of the processing environment, meaning that cold work environments, hot chemical washdowns and high pressure washing do not affect its performance.
Improving the performance of cold work tooling lies in systematically re-examining three key areas of execution: (1) selection of the tooling material, (2) heat treatment, and (3) maintenance of surface integrity.