The Effects of Adding Elements of Zinc and Magnesium on Ag-Cu Eutectic Alloy for Warming Acupuncture

Figure 3

Vickers hardness value of each group: (a) Ag65-Cu30-Zn5, (b) Cu70-Ag30, (c) Ag68-Cu30-Mg2, (d) phosphor bronze, (e) Ti-6Al-4V alloy, and (f) STS304.