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

Figure 2

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

(a)

(b)

(c)

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(e)

(f)