age hardening

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Related to age-hardened: Surface hardening

age hardening

[‚āj ′härd·ən·iŋ]
(metallurgy)
Increasing the hardness of an alloy by a relatively low-temperature heat treatment that causes precipitation of components or phases of the alloy from the supersaturated solid solution. Also known as precipitation hardening.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

age hardening

An aging process in certain metals, at room temperature, which results in increased strength and hardness.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
* The composition of precipitated phases in age-hardened alloys of Al, Ti, Cu, and uranium-based materials
In order to raise the strength and conductivity of the alloy, annealed beryllium copper must be age-hardened (heat-treated) before service.
This complex steel is described by Humberto Raposo, the inventor, as a "premium melted, martensitic, age-hardened alloy, capable of 260 ksi ultimate tensile strength when peak aged."