Encyclopedia
Aging of Metals
Metal aging - a change in metal properties occurring either spontaneously under normal conditions (natural aging) or during heating (artificial aging), resulting in increased strength and hardness while simultaneously decreasing plasticity and impact toughness
Source: "REQUIREMENTS FOR CONDUCTING SAFETY ASSESSMENT OF OPERATION OF INDUSTRIAL BUILDINGS AND STRUCTURES UNDER INDUSTRIAL PRODUCTION AND OBJECTS (INSPECTION OF CONSTRUCTION STRUCTURES BY SPECIALIZED ORGANIZATIONS). RD 22-01-97"
(approved by AOZT "TsNIIPROEKTShtalKONSTRUKtsiya" 11.12.1997)