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Ultrasonic Welding of Lithium-Ion Batteries

Editor
Wayne W. Cai
Wayne W. Cai
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ISBN:
9780791861257
No. of Pages:
268
Publisher:
ASME Press
Publication date:
2017

Ultrasonic welding offers ability to weld thin layers of malleable metals at low temperature and low power consumption. During ultrasonic welding, intensive material interactions occur due to the severe plastic deformation (SPD) and frictional heat generation, which leads to the microstructural change. Different grain microstructures have been observed after different ultrasonic welding conditions. Theory of the microstructural evolution was for the first time hypothesized as three regimes, namely SPD, dynamic recrystallization (DRX) and grain growth according to the material thermomechanical loading conditions.

A novel metallo-thermo-mechanically coupled model was developed to model the temperature-dependent mechanical deformation and microstructural evolution during the...

7.1
Introduction
7.2
Microstructure Evolution in Ultrasonic Welding
7.3
Modeling
7.4
Simulation Results and Discussions
7.5
Summary and Conclusions
References
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