S9074-AQ-GIB-010/248 Rev 1
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A-2 Definitions. ..................................................................................................................................................A-1 A-2.1 General. ..............................................................................................................................................A-1 A-2.1.1 Dissimilar Metal Welding.........................................................................................................A-1 A-2.1.2 Double-Spindle. ........................................................................................................................A-1 A-2.1.3 Effective Processing Size..........................................................................................................A-1 A-2.1.4 Force Control. ...........................................................................................................................A-1 A-2.1.5 Friction Stir Processing (FSP). .................................................................................................A-1 A-2.1.6 Friction Stir (FS) Tool. .............................................................................................................A-1 A-2.1.7 Friction Stir Tool (FS Tool) Class. ...........................................................................................A-1 A-2.1.8 Friction Stir (FS) Tool Design. .................................................................................................A-1 A-2.1.9 Friction Stir Tool (FS Tool) Life. .............................................................................................A-2 A-2.1.10 Friction Stir (FS) Variant. .......................................................................................................A-2 A-2.1.11 Heel Plunge Depth. .................................................................................................................A-2 A-2.1.12 Interpass Step-Over Distance and Direction...........................................................................A-2 A-2.1.13 Lateral Friction Stir Tool (FS Tool) Offset.............................................................................A-2 A-2.1.14 Multiple Pass (Multipass). ......................................................................................................A-2 A-2.1.15 Plunge Depth. .........................................................................................................................A-2 A-2.1.16 Position Control. .....................................................................................................................A-2 A-2.1.17 Probe-to-Anvil Gap.................................................................................................................A-2 A-2.1.18 Raster Pattern. .........................................................................................................................A-2 A-2.1.19 Remnant Oxide Trace (See Figure A-4). ................................................................................A-2 A-2.1.20 Seam Tracking. .......................................................................................................................A-2 A-2.1.21 Side Tilt Angle........................................................................................................................A-2 A-2.1.22 Single Pass. .............................................................................................................................A-2 A-2.1.23 Single Spindle. ........................................................................................................................A-2 A-2.1.24 Special Welds. ........................................................................................................................A-2 A-2.1.25 Thermal Management. ............................................................................................................A-3 A-2.1.26 Thickness Mismatch. ..............................................................................................................A-3 A-2.1.27 Tilt Angle (Travel Angle). ......................................................................................................A-3 A-3 Procedure Qualification for FSW, FSP, and Repair of Friction Stirred Material. .......................................A-3 A-3.1 Scope. .................................................................................................................................................A-3 A-3.2 General Requirements. .......................................................................................................................A-3 A-3.2.1 Submittal for Approval. ............................................................................................................A-3 A-3.2.2 Approval of Procedure Qualification for Special Welds. .........................................................A-3 A-3.2.3 Qualification Levels..................................................................................................................A-3 A-3.2.3.1 General. ...........................................................................................................................A-3 A-3.2.3.2 Level I. ............................................................................................................................A-3 A-3.2.3.3 Level II. ...........................................................................................................................A-3 A-3.2.4 Position Qualification Limits for Position-Controlled FSW and FSP. .....................................A-4 A-3.2.5 Repair of Test Assembly...........................................................................................................A-4 A-3.3 Written Procedure Content for FSW, FSP, and Repair of Friction Stirred Material (See A-3.6.1.1 for FS Tool Life Procedure). ...............................................................................................................................A-4
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