Figure 1- Flowchart of typical Additive manufacturing .............................................................. 1 Figure 2 – Schematic representation of the gas turbine [1]........................................................ 3 Figure 3 – Schematic explanation of the PBF process with Laser and Electron beam as the energy source [5]............................................................................................................................... 6 Figure 4 – Schematic explanation of DED [33]...............................................................................................................................................................................................................................................................................................................................................................................................粘合剂喷射[6] ................................................................................................................................................................... - 图像分析中的方法[11]。.................................................................................. 13 Figure 9 - Symbolic expression of Image processing................................................................ 14 Figure 10 - Flowchart of the Automated Image Analysis [11] ................................................. 18 Figure 11 - MIPAR software ......................................................................................................... 20 Figure 12 – Image J software ........................................................................................................ 22 Figure 13 – Grain size measurement objective .......................................................................... 23 Figure 14 – Defect Analysis Objective ........................................................................................ 23 Figure 15 – Manual measurement of defect Analysis ................................................................ 25 Figure 16 – MIPAR recipe ……................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Defect Analysis measurement .................................................................................. 30 Figure 21 – Porosity defect analysis plot ..................................................................................... 31 Figure 22 – Stitched image of the entire sample.