Figure 1.

Ti-6Al-4V alloy before nitriding (etched with Kroll's etchant; 2% HF in water). (a) EPMA image. Maps of (b) Ti, (c) Al, and (d) V.

Lee et al. Nanoscale Research Letters 2012 7:21   doi:10.1186/1556-276X-7-21
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