A review on ultrasonic-assisted forming: mechanism, model, and process
G Shao, H Li, M Zhan - Chinese Journal of Mechanical Engineering, 2021 - Springer
Compared with conventional forming processes, ultrasonic-assisted forming technology with
a high frequency and small amplitude can significantly improve the forming quality of …
a high frequency and small amplitude can significantly improve the forming quality of …
A review on the mechanisms of ultrasonic wedge-wedge bonding
Although ultrasonic (US) wire bonding has been widely applied in microelectronic
packaging industry for decades, the bonding mechanisms are not yet well understood. This …
packaging industry for decades, the bonding mechanisms are not yet well understood. This …
Acoustic softening and residual hardening in aluminum: Modeling and experiments
It is known that high-frequency vibration affects metal plasticity during metal forming and
bonding operations. Metal plasticity is significantly affected by the acoustic field leading to …
bonding operations. Metal plasticity is significantly affected by the acoustic field leading to …
An energy based modeling for the acoustic softening effect on the Hall-Petch behavior of pure titanium in ultrasonic vibration assisted micro-tension
The acoustic softening effect in metals during plastic deformation has been widely
investigated in the past decades. However, the mechanism of such an acoustic plasticity …
investigated in the past decades. However, the mechanism of such an acoustic plasticity …
Influence of ultrasonic vibration on the plasticity of metals during compression process
In this study, the influence of ultrasonic vibration on the plasticity of lightweight metals
(aluminium and titanium) was investigated by means of ultrasonic assisted compression …
(aluminium and titanium) was investigated by means of ultrasonic assisted compression …
Acoustic softening and stress superposition in ultrasonic vibration assisted uniaxial tension of copper foil: Experiments and modeling
CJ Wang, Y Liu, B Guo, DB Shan, B Zhang - Materials & Design, 2016 - Elsevier
Ultrasonic vibration is widely utilized in manufacturing processes mainly because acoustic
field could significantly affect the metal plasticity leading to stress reduction. However …
field could significantly affect the metal plasticity leading to stress reduction. However …
[图书][B] Copper wire bonding
Chapter 1 gives an introduction to Cu wire bonding technology. The advantages of Cu over
Au, such as lower cost, higher mechanical strength, and higher electrical and thermal …
Au, such as lower cost, higher mechanical strength, and higher electrical and thermal …
Acoustic residual softening and microstructure evolution of T2 copper foil in ultrasonic vibration assisted micro-tension
Y Liu, C Wang, R Bi - Materials Science and Engineering: A, 2022 - Elsevier
The softening effect induced by ultrasonic vibration is widely studied due to its advantages in
high product quality and processing efficiency, while only a few investigations focus on the …
high product quality and processing efficiency, while only a few investigations focus on the …
Investigations on the material property changes of ultrasonic-vibration assisted aluminum alloy upsetting
JC Hung, CC Lin - Materials & Design, 2013 - Elsevier
Numerous studies have shown the benefit of ultrasonic-vibration assisted metal forming.
This benefit include a reduction in forming forces, which might be attributed to the …
This benefit include a reduction in forming forces, which might be attributed to the …
Molecular dynamics study of acoustic softening effect in ultrasonic vibration assisted tension of monocrystalline/polycrystalline coppers
Y Zhao, J Zhai, Y Guan, F Chen, Y Liu, Y Li… - Journal of Materials …, 2022 - Elsevier
Ultrasonic vibration assisted metal forming is a promising technology, but the microscopic
mechanism of the ultrasonic effect on metal deformation has not been fully understood yet …
mechanism of the ultrasonic effect on metal deformation has not been fully understood yet …