1907 3.1 Defects in crystal Defects influence: I Physical properties II Mechanical properties I"Technological"properties (Formability, corrosion,…) By controlling the lattice defects,materials with properties different from the original ones can be obtainedSINO-ITALIAN CAMPUS 3.1 Defects in crystal Defects influence: Ⅰ、Physical properties Ⅱ、Mechanical properties Ⅲ、“Technological” properties (Formability, corrosion,…) By controlling the lattice defects, materials with properties different from the original ones can be obtained