A Combination of Techniques Leads to Improved Friction Stir Welding 

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The NESC developed several innovative tools and techniques during an assessment to find the root cause of poor tensile strength and low topography anomalies (LTA) in welds formed using a solid-state welding process called self-reacting friction stir welding (SRFSW).   

Using a combination of machine learning, statistical modeling, and physics-based simulations, the assessment team helped...