age hardening

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Related to age-hardened: 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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Project 7000 is vacuum melted, chemically balanced, and processed to optimize its machinability in the solution-annealed as well as age-hardened conditions.
This alloy is vacuum melted, chemically balanced and processed to optimize machinability in-solution-annealed as well as age-hardened conditions.
The composition of precipitated phases in age-hardened alloys of Al, Ti, Cu, and uranium-based materials