The Defect Indication of Fluorescent Penetrating Inspection for IC10 Single Crystal Super Alloy Blade

The defects indications are analysed for IC10 single crystal blades inspected by FPI method. The defects indications are mainly microporosity defects, the FPI sensitivity class and the character and difference of method are got by FPI contrast testing. It is indicated that the Post emulsification fluorescence penetrant inspecting method is fit for defect inspection.