1. Defect Formation Mitigation During Laser Welding of High-Strength Aluminum Alloys Using Beam Oscillation Open Access Author: Saha, Abhirup Title: Defect Formation Mitigation During Laser Welding of High-Strength Aluminum Alloys Using Beam Oscillation Graduate Program: Engineering Science and Mechanics Keywords: Laser WeldingBeam OscillationAluminum WeldingX-ray Computed TomographyKeyhole PorosityMachine LearningHeat Transfer and Fluid Flow File: Download Abhirup_Thesis.pdf Committee Members: Laura Cabrera, Program Head/ChairJudith Todd Copley, Major Field MemberTodd Palmer, Chair & Dissertation AdvisorReginald Hamilton, Major Field MemberTarasankar Debroy, Outside Unit & Field Member