Experimental Study of a Novel Ultrasonic Vibration-Assisted Structure for Radial Milling

Table 1

Material properties.

	Material	Density (kg/m^3)	Young’s modulus (GPa)	Poisson ratio
Piezo	PZT-4	7.45·10^−9	76.5	0.3
Amplitude-changing bar	Titanium alloy	4.43·10^−9	113.8	0.34
Stud	#45	7.85·10^−9	206	0.25
Workpiece	6061-T6	2.80·10^−9	70	0.33