Research Article
Investigation on the Cutting Force and Surface Quality in Harmonically Vibrated Broaching (HVB)
Table 4
Mechanical properties of the workpiece material.
| Material | Phosphor-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 |
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