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

Figure 10

SEM image of machined needle tips: (a) Ag65-Cu30-Zn5 (×300), (b) Ag68-Cu30-Mg2 (×300), (c) STS304 (×300), (d) Ag65-Cu30-Zn5 (×1000), (e) Ag68-Cu30-Mg2 (×1000), and (f) STS304 (×1000).

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