Research Article

Investigation on the Cutting Force and Surface Quality in Harmonically Vibrated Broaching (HVB)

Table 4

Mechanical properties of the workpiece material.

MaterialPhosphor-bronze
Young’s modulus (E)110 GPa
Yield strength (σy)531 MPa
Ultimate strength (σR) [21]548 MPa
Strength coefficient (K)0.51 GPa
Strain hardening exponent (n)0.29
Chip compression ratio (ξ)5
Shear strength (τy) [22]0.65 σR
Average shear stress (τc)497 MPa