Vetted SpecialistsExample profileValeria A.Senior Weld Engineer, Launch Vehicle TanksQualified friction-stir-weld procedures for 2195 aluminum-lithium barrel longitudinal and circumferential joints on a 5.2m tank — tool design, plunge and travel parameters, and fracture-toughness test program accepted on the first PQR cycleOwned three gantry FSW cells and the dome-to-barrel circ welder; lifted first-pass PAUT yield from 82% to 97% through pin-tool wear limits and adaptive force controlWrote the FSW essential-variable matrix and repair procedure that cleared customer and NASA-STD-5006 review for crewed-vehicle tanksFriction stir weldingAl-Li 2195AWS D17.1
Vetted SpecialistsExample profileMiguel O.Welding Engineer, Submarine Hull StructuresQualified 40+ WPS and PQR packages in SAW, FCAW and GMAW on HY-80 and HY-100 pressure-hull and framing joints under NAVSEA S9074-AQ-GIB-010/248 and MIL-STD-1689Cut hydrogen-cracking rework on hull-section butt welds 60% through preheat and interpass control, electrode moisture management and a revised PWHT windowSupported 300 welders across two shifts as the CWI-certified engineer of record for NAVSEA and SUPSHIP source inspectionHY-80 / HY-100NAVSEA 248CWI
Vetted SpecialistsExample profileCarmen O.Weld Engineer, Propulsion and Cryogenic SystemsOwned orbital GTAW of Inconel 718 and 316L propellant and cryogenic tubing from 1/4 in to 4 in — 220 qualified weld schedules, autogenous and wire-fed, to AWS D17.1 Class AQualified electron-beam procedures joining Ti-6Al-4V injector faceplates and additively manufactured Inconel manifolds with metallurgical sectioning and RT acceptanceAutomated the tube-weld cell with fixture-integrated purge monitoring and weld-data capture; eliminated the manual weld log and cut reject rate 45%Orbital GTAWElectron beamWeld-cell automation
