Research Article

Numerical Simulation, Analysis, and Fabrication of MEMS-Based Solid Ag and Cu Microneedles for Biomedical Applications

Table 3

Comparison between properties of silver and copper.

ElementSilverCopper

Ultimate tensile strength110 MPa210 MPa
Young’s modulus of elasticity83 GPa120 GPa
Elastic limit300 MPa330 MPa
Endurance limit40 MPa70 MPa
Hardness250 MPa400 MPa