age hardening

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Related to age hardening: Precipitation hardening, Surface hardening

age har·den·ing

(āj hahrdĕn-ing)
Heat treatment that increases the strength and hardness of some dental alloys.
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Caption: Figure 8: Schematic diagrams showing the possible precipitation, dissolution, and coarsening of the age hardening phases during the course of aging.
Variation of hardness was induced by retained austenite transformation to martensite and age hardening.
Their topics include thermodynamic calculations for quantifying the phase fraction and element partition in maraging systems and precipitation hardening steels, quantifying phase transformation kinetics and age hardening, over-ageing, precipitation hardening stainless steels, and applying artificial neural networks in the modeling of steel properties.
Nahouji is a researcher who evaluated the effect of nanostructuring on the formation of age hardening precipitate as well as examining the thermal stability of nanostructured Al6061 alloy (produced by mechanical milling) during isothermal treatment and identifying the mechanism governing grains growth.