age hardening


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Related to age hardening: Precipitation hardening, 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.

age hardening

An aging process in certain metals, at room temperature, which results in increased strength and hardness.
References in periodicals archive ?
Maraging steels are a special class of low-carbon ultrahigh-strength steels, which derive their strength not from carbon, but from precipitation of inter-metallic compounds; the term maraging is derived from Martensite + Aging (martensite age hardening) and denotes the age hardening of a low-carbon, iron-nickel lath martensite matrix.
The new alloy was developed by modifying the company's MP159T alloy by using the same chemistry but different cold work and age hardening parameters.
Utomo WH, Dexter AR (1981) Age hardening of agricultural top soils.
During the processing and storage of straight unmodified asphalt, one usually observes a so-called age hardening of the asphalt (ref.