Results 1 to 10 of about 28,396 (238)

Advances in Experimentation and Numerical Modeling of Aluminum and Copper Ultrasonic Welding [PDF]

Micromachines
Ultrasonic welding is characterized by its energy-saving and environmentally friendly nature. Compared to conventional molten welding technology, the intermetallic compounds formed by diffusion during ultrasonic welding are thinner, and material ...
Zhe Li, Shiying Wu, Huan Li
doaj   +2 more sources

Research Status of Molecular Dynamics Simulation of Metallic Ultrasonic Welding [PDF]

Micromachines
This study provides a comprehensive review of ultrasonic welding research in molecular dynamics simulations, encompassing the latest advancements by scholars worldwide. Compared to traditional welding methods, ultrasonic welding offers advantages such as
Yu Hu, Huan Li
doaj   +2 more sources

Increasing the speed of automated ultrasonic inspection of as-built additive manufacturing components by the adoption of virtual source aperture

Materials & Design, 2022
Wire + Arc Additive Manufacture (WAAM) is an economical manufacturing technique to build components. To maintain the commercial and technical benefits, inspection is desired at each layer of the build. New conformable phased array roller-probes offer the
Rastislav Zimermann, Ehsan Mohseni, Randika K.W. Vithanage, David Lines, Euan Foster, Charles N. Macleod, Stephen Gareth Pierce, Gianrocco Marinelli, Stewart Williams, Jialuo Ding   +9 more
doaj   +1 more source

Force and Sound Data Fusion for Enhanced Tap Testing Scanning of Composites

IEEE Access, 2023
Coin or hammer tap testing is one of the oldest methods of NDT inspection. Inspection techniques originated with human operators observing the tonal change of the audible sound produced by striking were later automated with use of mechanical instruments ...
Alastair Poole, Nathan Hartley
doaj   +1 more source

Collaborative Robotic Wire + Arc Additive Manufacture and Sensor-Enabled In-Process Ultrasonic Non-Destructive Evaluation

Sensors, 2022
The demand for cost-efficient manufacturing of complex metal components has driven research for metal Additive Manufacturing (AM) such as Wire + Arc Additive Manufacturing (WAAM).
Rastislav Zimermann, Ehsan Mohseni, Momchil Vasilev, Charalampos Loukas, Randika K. W. Vithanage, Charles N. Macleod, David Lines, Yashar Javadi, Misael Pimentel Espirindio E Silva, Stephen Fitzpatrick, Steven Halavage, Scott Mckegney, Stephen Gareth Pierce, Stewart Williams, Jialuo Ding   +14 more
doaj   +1 more source

A Novel Complete-Surface-Finding Algorithm for Online Surface Scanning with Limited View Sensors

Sensors, 2021
Robotised Non-Destructive Testing (NDT) has revolutionised the field, increasing the speed of repetitive scanning procedures and ability to reach hazardous environments. Application of robot-assisted NDT within specific industries such as remanufacturing
Alastair Poole, Mark Sutcliffe, Gareth Pierce, Anthony Gachagan   +3 more
doaj   +1 more source

Autonomous, Digital-Twin Free Path Planning and Deployment for Robotic NDT: Introducing LPAS: Locate, Plan, Approach, Scan Using Low Cost Vision Sensors

Applied Sciences, 2022
Robotised Non Destructive Testing (NDT) presents multifaceted advantages, saving time and reducing repetitive manual workloads for highly skilled Ultrasonic Testing (UT) operators.
Alastair Poole, Mark Sutcliffe, Gareth Pierce, Anthony Gachagan   +3 more
doaj   +1 more source

The Effect of the Distance between Ultrasonic Horn and Torch on the Microstructure of Ultrasonic-Assisted Gas Tungsten Arc Welded Inconel 690 Alloy Joint

Crystals, 2023
The study focuses on investigating the relationship between the ultrasonic effect and microstructure of ultrasonic-assisted gas tungsten arc welding (UA-GTAW) Inconel690 alloy joints.
Yunhao Xia, Xiaoyu Cai, Bolun Dong, Sanbao Lin   +3 more
doaj   +1 more source

Interdependence of Technical and Technological Parameters in Polymer Ultrasonic Welding

Machines, 2022
The welding of foils, textiles, and textile composites made of thermoplastic polymer materials using machines with an ultrasonic rotary sonotrode is a high-tech welding technique.
Dubravko Rogale, Siniša Fajt, Snježana Firšt Rogale, Željko Knezić   +3 more
doaj   +1 more source

Sonotrodes for Ultrasonic Welding of Titanium/CFRP-Joints—Materials Selection and Design

Journal of Manufacturing and Materials Processing, 2021
Ultrasonic welding of titanium alloy Ti6Al4V to carbon fibre reinforced polymer (CFRP) at 20 kHz frequency requires suitable welding tools, so called sonotrodes.
Moritz Liesegang, Yuan Yu, Tilmann Beck, Frank Balle   +3 more
doaj   +1 more source