Mechanical Behavior of metallic Materials Introduction Discuss macroscopic and microscopic aspects of the mechanical behaviors of metallic materials: Concern with metallurgical principles including crystal structure. materials science and fracture mechanics mechanical metallurgy; The crystal physics approach: the role of dislocations in controlling mechanical properties; e The classical metallurgical approach: the relationship between microstructure and properties; The fracture mechanics approach the relationship between material toughness, design stress, and allowable flaw size ③大季Mechanical Behavior of Metallic Materials Introduction ⚫ Discuss macroscopic and microscopic aspects of the mechanical behaviors of metallic materials; ⚫ Concern with metallurgical principles including crystal structure, materials science and fracture mechanics---- mechanical metallurgy; ⚫ The crystal physics approach: the role of dislocations in controlling mechanical properties; ⚫ The classical metallurgical approach: the relationship between microstructure and properties; ⚫ The fracture mechanics approach: the relationship between material toughness, design stress, and allowable flaw size