Figure 7From: Gas nitriding and subsequent oxidation of Ti-6Al-4V alloysSEM top-view and cross-sectional images of Ti-6Al-4V alloys. Nitriding at 850°C for (a) 1, (b) 6, and (c) 12 h in nitrogen gas, followed by oxidizing at 700°C for 10 h in air.Back to article page