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1. Distribution of rubber particles in the weld zone of fused filament fabricated acrylonitrile butadiene styrene and the impact on weld strength

   https://doi.org/10.1016/j.addma.2021.101964  

   Collinson, David W.; Kolluru, Pavan V.; Von Windheim, Natalia; Brinson, L. Catherine (May 2021, Additive Manufacturing)

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2. How to Accurately Monitor the Weld Penetration From Dynamic Weld Pool Serial Images Using CNN-LSTM Deep Learning Model?

   https://doi.org/10.1109/LRA.2022.3173659  

   Yu, Rui; Kershaw, Joseph; Wang, Peng; Zhang, YuMing (July 2022, IEEE Robotics and Automation Letters)
3. Tempering Efficiency Evaluation for Dissimilar Weld Overlays

   Jang, E.; Stewart, J.R.; Luo, Y.; Qu, S.; Alexandrov, B.T.; McCracken, S.L.; Tatman, J.; Barborak, D.; Penso, J.A. (March 2020, Pressure Vessels and Piping 2020)
4. Effect of system compliance on weld power in ultrasonic additive manufacturing

   https://doi.org/10.1108/RPJ-07-2020-0168  

   Venkatraman, Gowtham; Hehr, Adam; Headings, Leon M.; Dapino, Marcelo J. (August 2021, Rapid Prototyping Journal)

   Purpose Ultrasonic additive manufacturing (UAM) is a solid-state joining technology used for three-dimensional printing of metal foilstock. The electrical power input to the ultrasonic welder is a key driver of part quality in UAM, but under the same process parameters, it can vary widely for different build geometries and material combinations because of mechanical compliance in the system. This study aims to model the relationship between UAM weld power and system compliance considering the workpiece (geometry and materials) and the fixture on which the build is fabricated. Design/methodology/approach Linear elastic finite element modeling and experimental modal analysis are used to characterize the system’s mechanical compliance, and linear system dynamics theory is used to understand the relationship between weld power and compliance. In-situ measurements of the weld power are presented for various build stiffnesses to compare model predictions with experiments. Findings Weld power in UAM is found to be largely determined by the mechanical compliance of the build and insensitive to foil material strength. Originality/value This is the first research paper to develop a predictive model relating UAM weld power and the mechanical compliance of the build over a range of foil combinations. This model is used to develop a tool to determine the process settings required to achieve a consistent weld power in builds with different stiffnesses. 

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5. Investigation of a dissimilar vitreloy 105 to grade 2 titanium laser weld

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   Sorensen, D.; Pischlar, J.; Stevick, J.; Hintsala, E.; Stauffer, D.; Myers, J.C.; Keenan, T.; Ramirez, A.J. (January 2019, Materials Science and Engineering: A)