AM:Comparison with SM Subtractive manufacturing Additive manufacturing start with a block of material ◆start with nothing remove any unwanted material add material we wanted carve it by hand or by using a build the part one layer(microns up to around machine such as a CNC 0.25 mm)at a time by 'printing'each new layer on top of the previous one,until the part is complete. MT333 Materials Applications Practice Prof.XiaoQi Chen B.5 Need for Cladding and AM A lot of the repair and restoration needs: ·Aerospace ·Power Generation ·Oil/Gas MT333 Materials Applications&Practice Prof.XiaoQi Chen B.6MT333 Materials Applications B.5 & Practice Prof. XiaoQi Chen AM: Comparison with SM Subtractive manufacturing :  start with a block of material  remove any unwanted material   carve it by hand or by using a  machine such as a CNC Additive manufacturing :  start with nothing   add material we wanted  build the part one layer (microns up to around  0.25 mm) at a time by ‘printing’ each new  layer on top of the previous one, until the part  is complete.  MT333 Materials Applications B.6 & Practice Prof. XiaoQi Chen Need for Cladding and AM • Aerospace • Power Generation • Oil/Gas A lot of the repair and restoration needs: