上清充通大￥ Outline and terminology SHEAMGRAI DUD TONO UHTVEREETTY Terminology Examples of static annealing phenomena Recovery Recrystallization Grain growth Continuous Subgrain growth Continuous Normal grain recrystallization growth Discontinuous Discontinuous Primary Abnormal grain subgrain growth recrystallization growth Some of these stages will have occurred during the deformation as dynamic recovery recrystallization. Discontinuous processes:occur heterogeneously throughout the material, nucleation and growth stages Continuous processes:occur uniformly,no identifiable nucleation and growth stages Institute of Forming Technology Equipment 7Outline and terminology Institute of Forming Technology & Equipment 7 Terminology Examples of static annealing phenomena Recovery Recrystallization Grain growth Continuous Subgrain growth Continuous recrystallization Normal grain growth Discontinuous Discontinuous subgrain growth Primary recrystallization Abnormal grain growth • Some of these stages will have occurred during the deformation as dynamic recovery & recrystallization. • Discontinuous processes: occur heterogeneously throughout the material, nucleation and growth stages • Continuous processes: occur uniformly, no identifiable nucleation and growth stages