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Table 12
Classification of the of the modelling studies on the UC AM process.
| Reference number | KPI | Process parameter (Variable) |
|---|---|---|
| [167] | Linear weld density | Oscillation amplitude, welding speed, normal force, substrate temperature |
| [168] | Solid state diffusion and bonding, microstructural deformation mechanisms | Surface effects (friction work, temperature) |
| [169] | Linear weld density | Energy input to the workpiece within a single cycle of ultrasonic vibration, total energy input to the workpiece |
| [170] | Yield stress | Thermal, acoustic softening |
| [171] | Amplitude of contact friction stress and displacement | Vibration condition, substrate height |
| [172] | Dislocations and bonding fragmentation | |
| [173] | Friction behaviour at the interfaces | Velocity of sonotrode, displacement amplitude of ultrasonic vibration, applied loads |
| [174] | Residual stress and distortion | Support structure |
| [175] | Weld strength | Contact pressure, amplitude, welding time |
| [176] | Ultimate shear strength, ultimate transverse tensile strength | Tack force, weld force, oscillation amplitude, weld rate |
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